There are so many threads on car chargers that actually work for the Nexus 7 and yet none of them seem to have reliable answers. Maybe it works, maybe not. Does it do "AC charging"? Is the amperage high enough to keep it running while I use it? Do I have to short Data+ and Data-? Does it work with OEM or aftermarket cables? Is it expensive?
It's enough to make you just want to keep the Nexus in the house. So I'm here to help - just go buy this:
http://www.amazon.com/dp/B0088U4YAG/ref=pe_175190_21431760_M3T1_SC_dp_1
Tom Fagerland was kind enough to provide links from Amazon UK, available in both black and white:
White: http://www.amazon.co.uk/PowerGen-Ch...ZY/ref=sr_1_15?ie=UTF8&qid=1351432753&sr=8-15
Black: http://www.amazon.co.uk/PowerGen-Charger-KeyBoard-Samsung-included/dp/B0088U4YAG/ref=pd_sim_ce_1
It's a 3.1A dual port car charger for $12.99 on Amazon with a full 5/5 review. I just got mine and it's well built, very sturdy (almost OEM quality) and has two USB ports, one for Apple devices "A" and one for non-Apple devices "NA". The "NA" port will charge the Nexus 7 and the "A" port will charge most other non-tablets, including the Galaxy Nexus. It works with the OEM Nexus 7 cable, a Monoprice cable and a Galaxy Nexus cable.
So that's it. Just go buy it and be happy. It will charge quickly if you leave the tablet off but will still charge it if you keep using it.
EDIT 2-11-13: This charger has been charging my Nexus 7 virtually every day (40 mins/day) for over 3 months now with no problems.
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
For those of you wanting to know some more specifics, here they are. (You don't have to care, honest! Just go buy the thing.)
I did a test with my 7 starting at 40% battery. I did a "worst case scenario" of Wi-Fi on and connected, Bluetooth on, GPS on and using Google Navigation, Spotify streaming and the screen on at 100% brightness throughout charging. I powered the adapter off a variable DC power supply that shows current draw as well as voltage. I used 12.2 VDC to simulate a car's battery. Below is the relevant portion of the battery monitor graph.
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It does indeed charge using the "NA" port with no modifications. The power supply showed an average current of 0.50A @ 12 VDC which once converted to 5 VDC is 1.22A not counting for the small loss in the DC-DC converter. It did get as high as 0.62A (1.51A @ 5VDC) but seemed to level out at 0.5A for the vast majority of charge time. (FYI I assume Watt's law applies here when stepping down voltage - feel free to correct me.)
I checked on the progress every 30 mins and here are the results:
00:00 - 40%
00:30 - 48% (+8%)
01:00 - 55% (+7%)
01:30 - 62% (+7%)
02:00 - 68% (+6%)
02:30 - 76% (+8%)
03:00 - 83% (+7%)
This is where I stopped. It seems to be very capable of providing a decent charge while under heavy use. At this point I turned everything off and waited another 30 mins and found it charged another 12% while "idle". At that rate it could charge from empty in around 4 hours. It would take around 7 hours to charge completely if being used heavily, but it's not just "maintaining" a charge or discharging slowly - it's actually gaining a charge.
So there you have it.
Powerful car chargers (2Aand above) usually affect your FM radio reception, how does that one go?
Sounds great!
I checked, and it's available on amazon.co.uk as well, here: http://www.amazon.co.uk/PowerGen-Ch...ZY/ref=sr_1_15?ie=UTF8&qid=1351432753&sr=8-15
or here: http://www.amazon.co.uk/PowerGen-Charger-KeyBoard-Samsung-included/dp/B0088U4YAG/ref=pd_sim_ce_1
What about the "A" port makes it exclusive to Apple devices only? I own zero Apple devices, so would this dual USB charger effectively be... a single one for my uses?
Troute said:
Powerful car chargers (2Aand above) usually affect your FM radio reception, how does that one go?
Click to expand...
Click to collapse
I haven't heard of that one myself, but I tried it out and it seems to have no discernible effect on FM radio reception.
JaSauders said:
What about the "A" port makes it exclusive to Apple devices only? I own zero Apple devices, so would this dual USB charger effectively be... a single one for my uses?
Click to expand...
Click to collapse
I think the "A" port does not short the two data pins because Apple doesn't like that. Most Android phones don't seem to care either way though. My Galaxy Nexus works with it, I think a friend's SGS3 works as well. A reviewer notes the Kindle products worked as well. The thing to note is that charging non-Apple devices in the "A" port will only charge them at USB speed. Not perfect but it should do the trick.
chjade84 said:
I haven't heard of that one myself, but I tried it out and it seems to have no discernible effect on FM radio reception.
I think the "A" port does not short the two data pins because Apple doesn't like that. Most Android phones don't seem to care either way though. My Galaxy Nexus works with it, I think a friend's SGS3 works as well. A reviewer notes the Kindle products worked as well. The thing to note is that charging non-Apple devices in the "A" port will only charge them at USB speed. Not perfect but it should do the trick.
Click to expand...
Click to collapse
If you are rooted and have a kernel setting to enable fast charge on USB, you should be able to use the "A" port for full power. Be sure to turn that feature off, though if you want to swap data with PC.
wtherrell said:
If you are rooted and have a kernel setting to enable fast charge on USB, you should be able to use the "A" port for full power. Be sure to turn that feature off, though if you want to swap data with PC.
Click to expand...
Click to collapse
I tried this on computer USB and the notation in Battery Monitor Widget changed from USB plugged to AC plugged when connected to my computer. milliamps went from 479 to 875. Still will see what happens on various chargers. But to get 875mA from computer's USB port seems pretty darn good.
Thanks a lot for sharing this with us! seriously there are many car chargers than would never work due to low amp!!
Bought this same charger the other day. Arrived yesterday, so far so good! Excellent value for money :good:
Good Deal On Amazon
Thank you for pointing the way about car chargers that work. I have been impressed with this charger doing more than slowing down discharge. I can actually use the larger GPS of my N7 and charge my tethering GS3 at the same time. When purchasing this charger I was offered the 3.1a/15w AC charger for 20% off. It definitely charges like the OEM one. Very happy camper.
What cord are you using with this to charge the nexus?
Sent from my SGH-I747 using xda premium
Another Option
Hey guys - there is another option that is very high quality -
The Scosche ReVIVE II works very well with the nexus 7 (at the same time as a phone too) with the 2.1A charging port. The only catch I found was that I had to short out the data connections - but I did this with a USB extension cable.
Essentially all you do is cut a USB extension cable, reconnect the power wires and then join the two data wires on the device end. This, for someone who has done some soldering, is a super easy job and takes 5 minutes, as well as making sure you don't ruin a perfectly good micro-USB charger.
The reason for shorting the Data is that some devices wont charge to their full potential (ie. only to 500mA) if they dont have the data wires shorted because the device might be connected to a computer - which wouldn't handle the full 1/2A.
anywho, it's a fantastic, very high quality charger and well worth the price.
(http://www.amazon.com/Scosche-reVIV...?s=electronics&ie=UTF8&qid=1352687110&sr=1-14)
Charging Cord
I use either my OEM GS3 or N7 for the NA port. I have a Rocketfish USB charging cord when I have to use the A port. I purchased it from BestBuy a while ago, initially for my BB at the time.
This sounds great.
I have a iPod Nano 6th Gen that I keep plugged in all the time, and a USB cable for my Phone. I modified my existing one so my Galaxy Nexus reads it as AC and charges fast, but my N7 doesn't even see it.
The one posted in the OP sounds like it'd be perfect. I could use the A for my iPod and the NA for both my N7 and GN. Fortunately the N7 doesn't require car charging very often
Sadly, Amazon.ca doesn't sell the charger and Amazon.com won't ship to Canada. Has anyone found a good source for this charger in Canada?
Croptop said:
Sadly, Amazon.ca doesn't sell the charger and Amazon . comment won't ship to Canada. Has anyone found a good source for this charger in Canada?
Click to expand...
Click to collapse
I'd love to know as well if anyone in Canada knows where to get a good dual usb car charger
Sent from my Nexus 7 using Tapatalk 2
The charger in the OP has dropped a little in price on Amazon UK.
I recently purchased said adapter...Works great and fast. 32%-72% in 25 mins on my HTC Amaze. Tablet isn't here yet
Does anyone have experience of this one? :
http://www.amazon.com/Charger-Adapt...&qid=1353451744&sr=8-6&keywords=dual+usb+3.1a
It's 3.1A and has a lower profile than the other one posted in the OP, but does it charge the Nexus 7 ok?
NickDblU said:
I'd love to know as well if anyone in Canada knows where to get a good dual usb car charger
Sent from my Nexus 7 using Tapatalk 2
Click to expand...
Click to collapse
Same here. Looked on eBay, could only find the ones listed to work with Apple.
Related
just looking for where i can get a proven 2 amp cable for my note ii. thanks
billymaloney3 said:
just looking for where i can get a proven 2 amp cable for my note ii. thanks
Click to expand...
Click to collapse
I just purchased the OEM battery with charging dock from Samsung with a 50% off coupon posted on this forum. Cost just under $30 bucks and the charging cable is 2 amps for certain, I checked the current while charging my phone with it. It cannot be used to plug into a usb port on a pc.
Here's the thread with the coupon code.
http://forum.xda-developers.com/showthread.php?t=1957986
The link to the 2 amp oem charger on the Samsung site.
http://m.samsung.com/us/mobile/cell-phones-accessories/ETA-U90JWEBXAR
Sent from my SGH-T889 using xda premium
The thing is, I've gone through two OEM chargers now (One came with the phone, one bought on Amazon) and both no longer charge at 2A
In fact, the one that came with the phone has deteriorated so much it only charges at 160mA.
D3_ said:
The thing is, I've gone through two OEM chargers now (One came with the phone, one bought on Amazon) and both no longer charge at 2A
In fact, the one that came with the phone has deteriorated so much it only charges at 160mA.
Click to expand...
Click to collapse
Looks like my original cable isn't charging the way it used to. The one that came with the external charging dock works better than the one that came with the phone.
Sent from my SGH-T889 using xda premium
D3_ said:
The thing is, I've gone through two OEM chargers now (One came with the phone, one bought on Amazon) and both no longer charge at 2A
In fact, the one that came with the phone has deteriorated so much it only charges at 160mA.
Click to expand...
Click to collapse
Interesting. How do I check if my OEM cable has deteriorated for sure? Mine "feels" like it is getting slower for some reason.
so is there no true 2 amp cable? I'm not going to pay the extra money for the OEM one if its just going to deteriorate
Sent from my SCH-I605 using xda app-developers app
I had trouble finding cables that I knew were reliable, so, I ended up fabricating my own. When purchasing new cables, they rarely mention what gauge wire they use. Most typical usb cables use 24/22ga. Some, like the oem use thicker gauge wire for the charge lines. The cables I made, easily handle 2 amps and thensome. I used the same wire that I use for my high powered LED light system which draws up to 6 amps without breaking a sweat. I know it is overkill, but I went with military-spec 18 gauge wire, stranded, silver tinned copper with teflon jacket. I bought new connectors, usb-a and micro-usb from overseas as I could not find them locally. After soldering, I filled each connector with an epoxy resin to eliminate all vibration and make the plug all one solid unit. I rarely actually use cables for data, so, I made them strictly for charging. Using only two wires also made is easier for me to use the thicker gauge. I bridged the data ports within the micro-usb plug. I have a non-samsung usb car charger that never charges some of my other phones at full rate unless the data ports are bridged. I made an inline adapter for the purpose that I used for a while. Making my own cables gave me the perfect opportunity to bridge them internally and eliminate the adapter. Certain phones need the data ports bridged or else they will think they are hooked up to a computer and limit charging to 700 milliamps, give or take. Hope you find the cable to suit your needs.....
~ evil ~
evil510 said:
I had trouble finding cables that I knew were reliable, so, I ended up fabricating my own. When purchasing new cables, they rarely mention what gauge wire they use. Most typical usb cables use 24/22ga. Some, like the oem use thicker gauge wire for the charge lines. The cables I made, easily handle 2 amps and thensome. I used the same wire that I use for my high powered LED light system which draws up to 6 amps without breaking a sweat. I know it is overkill, but I went with military-spec 18 gauge wire, stranded, silver tinned copper with teflon jacket. I bought new connectors, usb-a and micro-usb from overseas as I could not find them locally. After soldering, I filled each connector with an epoxy resin to eliminate all vibration and make the plug all one solid unit. I rarely actually use cables for data, so, I made them strictly for charging. Using only two wires also made is easier for me to use the thicker gauge. I bridged the data ports within the micro-usb plug. I have a non-samsung usb car charger that never charges some of my other phones at full rate unless the data ports are bridged. I made an inline adapter for the purpose that I used for a while. Making my own cables gave me the perfect opportunity to bridge them internally and eliminate the adapter. Certain phones need the data ports bridged or else they will think they are hooked up to a computer and limit charging to 700 milliamps, give or take. Hope you find the cable to suit your needs.....
~ evil ~
Click to expand...
Click to collapse
I am not skilled enough to make one of these but would you be willing to sell me a few?
Sent from my SCH-I605 using xda app-developers app
The cable that comes with Pantech Burst..
Sent from my GT-N7100 using xda premium
I never understand how we have 2 identical threads going in parallel lol!!
Just replied in another thread about 2A cable: http://forum.xda-developers.com/showpost.php?p=44218947&postcount=12 - $3 from Monoprice, and you are done!
vectron said:
$3 from Monoprice, and you are done!
Click to expand...
Click to collapse
Unless you want it in the UK in which case it's $30 shipping.
billymaloney3 said:
I am not skilled enough to make one of these but would you be willing to sell me a few?
Click to expand...
Click to collapse
There have been quite a few posts with links to cables that seem to work fine for others. I would be willing to sell some cables, if there was enough of a demand for them, however, to be honest I think there are many other viable, more inexpensive options. I could never sell them for what some of these other cables are going for that are mass produced. I put a lot of thought, time and work into these. The mil-spec wire alone that I use could buy you a few sets of other cables. I purchase the connectors in bulk and the first batches have been accounted for. Also, I am backed up doing so many other different mods at the moment that cables are at the bottom of the list. I'll try to post some pics soon. If, after that you decide you'd still like one, we can go from there.....
I bough an OEM samsung note 2 charger and a couple of days ago it stopped charging like it used it. It goes much much slower.
Just a heads up
You can find these at Wagreens usually around the register areas. They aren't the best looking but they charge my Note 2 and Nexus 7, which both require a 2A charge, very quickly. I can get from a 30% back to 100% in less than an hour on these bad boys.
Ive ordered several micro USB cords on Amazon and they either don't work at all or charge my phone very slowly. Even ones that have claimed to be OEM samsung, they finally show up and they're not. So far these are the only ones I have found that truly work with 2A chargers
One side of the "Y" is micro USB and the other is mini USB
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phatmanxxl said:
You can find these at Wagreens usually around the register areas. They aren't the best looking but they charge my Note 2 and Nexus 7, which both require a 2A charge, very quickly. I can get from a 30% back to 100% in less than an hour on these bad boys.
Ive ordered several micro USB cords on Amazon and they either don't work at all or charge my phone very slowly. Even ones that have claimed to be OEM samsung, they finally show up and they're not. So far these are the only ones I have found that truly work with 2A chargers
One side of the "Y" is micro USB and the other is mini USB
Click to expand...
Click to collapse
How much were those at Walgreens? I might make a trip over there tomorrow.
http://m.walgreens.com/mt/www.walgr...--micro-dual-end-cable/ID=prod6110194-product
Price varies from store to store, they're $4.99 here.
uchosen said:
How much were those at Walgreens? I might make a trip over there tomorrow.
Click to expand...
Click to collapse
A lot of us have the slow charging problem. I'm pretty sure it's a hardware problem and the micro USB port isn't the highest quality and suffers from wear and tear. I've already replaced one and was going to have to do a second.
Instead, I've come up with a brute force solution that seems to be working. Whether it's hardware or software or green aliens, I simply increased the current flow by increasing the voltage. I bought a 5.6V 2A generic charger off eBay and wired a micro USB charger cable to it. Just two wires, +ve and -ve. Seems to be working. I tried 6V but the tablet rejected it.
It's not perfect but I can charge the tablet in about 4-5 hours, as opposed to 2 days. I'll post updates if anyone is interested.
Sent from my LG-V500 using XDA Free mobile app
LeighR said:
A lot of us have the slow charging problem. I'm pretty sure it's a hardware problem and the micro USB port isn't the highest quality and suffers from wear and tear. I've already replaced one and was going to have to do a second.
Instead, I've come up with a brute force solution that seems to be working. Whether it's hardware or software or green aliens, I simply increased the current flow by increasing the voltage. I bought a 5.6V 2A generic charger off eBay and wired a micro USB charger cable to it. Just two wires, +ve and -ve. Seems to be working. I tried 6V but the tablet rejected it.
It's not perfect but I can charge the tablet in about 4-5 hours, as opposed to 2 days. I'll post updates if anyone is interested.
Sent from my LG-V500 using XDA Free mobile app
Click to expand...
Click to collapse
I too have this problem, but i really didn't notice it till i had to go on a trip a friend and was gone 4 days. the tablet was on, but asleep.
When i got back the tablet was dead. it seemed to take over a full day of charging to get it back to full. Then a couple of days later i had got my Y charger adapter. i installed it, and added a USB stick for more storage.
I found out the next day i had to go out of town again, but i was going to drive this time. After being on the road a few hours playing videos, i noticed my tablet using more power than it was charging. So i removed the Y thinking it was faulty even tho it showed it was charging. I still had a slow charging problem with it removed.
I would like to know if this did indeed fix your issue.
It's not perfect but it will at least maintain battery whilst gaming with brightness up. Charging when off is WAY quicker than a standard 5V charger
Sent from my LG-V500 using XDA Free mobile app
I've been "fixing" my Apple wired chargers for use with my Android devices.
## SKIP THIS IF YOU USE STOCK CHARGER ##
Probably 99.9% of android devices will expect shorted data pins, which is supposed to be the USB charging port standard. There are manufacturers that deviate slightly from this. For example Samsung adds 1.2volts to the data pins to signal that it's connected to a Samnsung charger and try to pull more amps (mostly for their early tablets). With the the S4 they added another signal voltage for their new 2 amp charger.
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## END SKIP##
Now for my point. My Nexus7, and S3 use the smb347 management IC (maybe the S4 too). It is picky when it comes to input voltage, and in the case of the Nexus7 it was programmed to be EXTRA picky. The USB standard port voltage is 5.0 ±0.25, while I believe a USB3 dedicated charging port raised this to 5.3volts. I would personally not follow LeighR advice and set up a supply to feed my devices with over 5.4volts.
If I was you I would look for chargers with a voltage under load of atleast 5.2. Use a multimeter to measure, I love the ChargerDoctor, but they used cheap connectors it drops a lot of voltage on top of the parasitic usage.
https://lh6.googleusercontent.com/-...Zt7W_x_A/w612-h816-no/IMG-20140709-WA0002.jpg
https://lh5.googleusercontent.com/-..._fkpgbzc/w612-h816-no/IMG-20140709-WA0003.jpg
Before mods:
https://lh3.googleusercontent.com/-...pJsAUnY/w1277-h958-no/IMG_20140607_185306.jpg
https://lh5.googleusercontent.com/-...719-h958-no/IMG_20140618_141229%3Anopm%3A.jpg
After mods (Bridged data pins, 150k+47k resistors feeding pins with 1.2):
https://lh6.googleusercontent.com/-...AAAAAApg8/p4rvEEEyMyI/w719-h958-no/2014-06-18
Charging my S3
https://lh5.googleusercontent.com/-...3VDZwiA/w1277-h958-no/IMG_20140618_143535.jpg
https://lh5.googleusercontent.com/-...skyVdO8/w1277-h958-no/IMG_20140618_143539.jpg
Idle https://lh3.googleusercontent.com/-...icLhIC2c/w719-h958-no/IMG-20140710-WA0006.jpg
Charging my N7, note the Nexus is programmed to be even more picky. It waits up to a minute to see if the charger is crap before switches from AC into an even higher amp mode.
Pulling 1.<something> takes 2-3 hours for a full charge from low battery (5-20%).
https://lh5.googleusercontent.com/-...1j-A27s/w1277-h958-no/IMG-20140710-WA0000.jpg
https://lh6.googleusercontent.com/-...2sQS3Go/w1277-h958-no/IMG-20140710-WA0002.jpg
---------- Post added at 06:08 PM ---------- Previous post was at 06:05 PM ----------
If you are too lazy to check or test any of that the Nexus 5 forums love these: http://www.amazon.ca/gp/product/B00...pf_rd_t=101&pf_rd_p=1687860482&pf_rd_i=915398
Any of the new "smart" chargers that detect the connected device should also work: http://www.amazon.ca/Family-Sized-D...id=1407621965&sr=8-1&keywords=powerIQ+charger
weedy2887 said:
I've been "fixing" my Apple wired chargers for use with my Android devices.
## SKIP THIS IF YOU USE STOCK CHARGER ##
Probably 99.9% of android devices will expect shorted data pins, which is supposed to be the USB charging port standard. There are manufacturers that deviate slightly from this. For example Samsung adds 1.2volts to the data pins to signal that it's connected to a Samnsung charger and try to pull more amps (mostly for their early tablets). With the the S4 they added another signal voltage for their new 2 amp charger.
## END SKIP##
Now for my point. My Nexus7, and S3 use the smb347 management IC (maybe the S4 too). It is picky when it comes to input voltage, and in the case of the Nexus7 it was programmed to be EXTRA picky. The USB standard port voltage is 5.0 ±0.25, while I believe a USB3 dedicated charging port raised this to 5.3volts. I would personally not follow LeighR advice and set up a supply to feed my devices with over 5.4volts.
If I was you I would look for chargers with a voltage under load of atleast 5.2. Use a multimeter to measure, I love the ChargerDoctor, but they used cheap connectors it drops a lot of voltage on top of the parasitic usage.
https://lh6.googleusercontent.com/-...Zt7W_x_A/w612-h816-no/IMG-20140709-WA0002.jpg
https://lh5.googleusercontent.com/-..._fkpgbzc/w612-h816-no/IMG-20140709-WA0003.jpg
Before mods:
https://lh3.googleusercontent.com/-...pJsAUnY/w1277-h958-no/IMG_20140607_185306.jpg
https://lh5.googleusercontent.com/-...719-h958-no/IMG_20140618_141229%3Anopm%3A.jpg
After mods (Bridged data pins, 150k+47k resistors feeding pins with 1.2):
https://lh6.googleusercontent.com/-...AAAAAApg8/p4rvEEEyMyI/w719-h958-no/2014-06-18
Charging my S3
https://lh5.googleusercontent.com/-...3VDZwiA/w1277-h958-no/IMG_20140618_143535.jpg
https://lh5.googleusercontent.com/-...skyVdO8/w1277-h958-no/IMG_20140618_143539.jpg
Idle https://lh3.googleusercontent.com/-...icLhIC2c/w719-h958-no/IMG-20140710-WA0006.jpg
Charging my N7, note the Nexus is programmed to be even more picky. It waits up to a minute to see if the charger is crap before switches from AC into an even higher amp mode.
Pulling 1.<something> takes 2-3 hours for a full charge from low battery (5-20%).
https://lh5.googleusercontent.com/-...1j-A27s/w1277-h958-no/IMG-20140710-WA0000.jpg
https://lh6.googleusercontent.com/-...2sQS3Go/w1277-h958-no/IMG-20140710-WA0002.jpg
---------- Post added at 06:08 PM ---------- Previous post was at 06:05 PM ----------
If you are too lazy to check or test any of that the Nexus 5 forums love these: http://www.amazon.ca/gp/product/B00...pf_rd_t=101&pf_rd_p=1687860482&pf_rd_i=915398
Any of the new "smart" chargers that detect the connected device should also work: http://www.amazon.ca/Family-Sized-D...id=1407621965&sr=8-1&keywords=powerIQ+charger
Click to expand...
Click to collapse
weedy2887, my issue is that my tablet is a permanent install in a car, so i must use 12V-DC.
I have a 5.0V charger plugged into a cigarette lighter, and using the factory USB cable that can be plugged into an AC or DC connector.
Any suggestions for a fixed car mount?
Weedy2887 is correct that over voltage is of course a potential danger to your device. However, if the voltage is too high, your tablet/phone will reject it.
The voltmeter idea looks great but the problem is with the N7 microUSB connector. So you could be supplying 5.3 volts but high resistance due to a poor connection will drop some voltage and the potential difference actually reaching the battery will be lower, hence the slow charge.
He is of course correct that if your tablet is NOT faulty, it is not a good idea to hit it with a high voltage.
I like the idea of a smart charger - is it a constant current generator? Or does it detect current drawn and vary voltage accordingly? That would be an excellent solution. In any case, some great info posted, thanks.
Regarding the car installation, if your tablet has the super slow charging problem and you want to copy my solution, you'll need to find an in-car charger that puts out 5 and a bit volts and then wire on a micro USB connector.
Sent from my LG-V500 using XDA Free mobile app
Being permanently installed changes nothing. You still need to pick a better supply.
Something adjustable, and then buy a micro usb plug:
http://www.ebay.ca/itm/Adjustable-B...814?pt=LH_DefaultDomain_0&hash=item5667dc04a6
http://www.ebay.ca/itm/10PCS-Right-...567?pt=LH_DefaultDomain_0&hash=item2eca7f994f
or a better cig converter:
http://www.amazon.ca/Anker®-Dual-Po...id=1407657253&sr=8-2&keywords=powerIQ+charger
I dislike the idea of relying on the device to reject over voltage, it just feels dirty to me. And your point about connector losses is interesting. You could calibrate the charger with the tablet open and a multimeter on the solder behind the socket.
The "smart" part of the charger is it can detect what the client device is and setup the right pin out on the plug. IE: Apple, Android, HTC, or Samsung.
All very valid points. Agreed
Sent from my LG-V500 using XDA Free mobile app
weedy2887 said:
or a better cig converter:
http://www.amazon.ca/Anker®-Dual-Po...id=1407657253&sr=8-2&keywords=powerIQ+charger
Click to expand...
Click to collapse
I'm not understanding how this item is better than what i'm using.
This says:
PowerIQ™ technology maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 2.4 amps.
What i'm using now says it is a 5 amp.
http://www.usbzilla.com/chrager-adapter-sony-xperia-icon-sola-p-1741.html
The one i had before had 2 connections. (1.5 amp and 2.1 amp bought from CVS)
http://www.dhgate.com/product/colorful-dual-usb-2-ports-car-charger-cigarette/160188100.html
Try this first: http://forum.xda-developers.com/showthread.php?t=2188910&page=3 Not the whole thread look at Post #25
This fixed the N7 I had. Takes about twenty minutes. Carefully pop the battery out, take out some screws to get access to the ribbon cable contact at the bottom, clean it and reconnect. Clean the top contact too by the battery plug.
It's not the usb port it's those damn little contacts on the ribbon cable.
In your case it was the ribbon cable. And you're right, it could be for other people too. But in other cases it's a worn microusb port or other issues.
Sent from my LG-V500 using XDA Free mobile app
02sonicblue said:
I'm not understanding how this item is better than what i'm using.
This says:
PowerIQ™ technology maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 2.4 amps.
What i'm using now says it is a 5 amp.
http://www.usbzilla.com/chrager-adapter-sony-xperia-icon-sola-p-1741.html
Click to expand...
Click to collapse
powerful 5 watt charging circuit to power up your iPhone, iPod or smartphone quickly
Click to expand...
Click to collapse
Watts are not amps.
It's probably wired for Apple.
It doesn't matter what the side of it says it will put out.
The only thing that matters is what the tablet THINKS it can pull. After that is all down to the voltage level it will sustain under load.
yosmokinman said:
Try this first: http://forum.xda-developers.com/showthread.php?t=2188910&page=3 Not the whole thread look at Post #25
This fixed the N7 I had. Takes about twenty minutes. Carefully pop the battery out, take out some screws to get access to the ribbon cable contact at the bottom, clean it and reconnect. Clean the top contact too by the battery plug.
It's not the usb port it's those damn little contacts on the ribbon cable.
Click to expand...
Click to collapse
LeighR said:
In your case it was the ribbon cable. And you're right, it could be for other people too. But in other cases it's a worn microusb port or other issues.
Click to expand...
Click to collapse
This method works for me, although not perfect. From frustratingly long 22 hour charge time down to 6 hours on 1.5amp charger
While the improvement is great, your still charging in USB mode.
The tablet will charge in a little over 2 hours if it's pulling over an amp from a charger.
Anyone have a good recommendation for a car charger for the Nexus 6? I drive a lot, and need to be able to give it a quick charge.
I'm open to cheap and expensive options, I just need a good quick charger.
Well, I used the Nexus wireless charger for my N5 in my car. (Some cars support USB natively. For those that don't, any 2A Auto-to-USB -- or even better, Auto with corded microUSB -- adapter will work.) The magnets keep the N5 locked in place, so it doesn't bounce off, and there were no cables to fiddle with when placing the phone on (or taking it off) the charger. True, you had to get a bit creative if you wanted it mounted, but that usually wasn't too difficult. Personally, the N5 with charger fit perfectly in my center console, so mounting issues weren't a concern.
We'll have to see whether or not the N6 will support the magnetic mount for wireless chargers at all, and if it does, how well does it stay in place? If it works as well as the N5, then the Nexus wireless charger would be my top recommendation for a car charger.
As is posted in another thread, there are Quick Charge 2.0 certified accessories available, or will be soon.
Here is the link:
https://www.qualcomm.com/news/snapdragon/2014/06/04/quick-charge-20-has-arrived
More to come, and as soon people realize its a good thing more companies will make Quick Charge 2.0 compatible chargers,power banks, car chargers etc.
Davzone said:
As is posted in another thread, there are Quick Charge 2.0 certified accessories available, or will be soon.
Here is the link:
https://www.qualcomm.com/news/snapdragon/2014/06/04/quick-charge-20-has-arrived
More to come, and as soon people realize its a good thing more companies will make Quick Charge 2.0 compatible chargers,power banks, car chargers etc.
Click to expand...
Click to collapse
Very interested in this. Ironically I could care less about quick charge at home... I always plug my phone in when I'm driving, and I work out of town so it's a lot. I wonder if using quick charge daily for am hour or so each way would hurt the phone... my phone already gets pretty hot driving with streaming music and navigation/waze.
frigidazzi said:
Very interested in this. Ironically I could care less about quick charge at home... I always plug my phone in when I'm driving, and I work out of town so it's a lot. I wonder if using quick charge daily for am hour or so each way would hurt the phone... my phone already gets pretty hot driving with streaming music and navigation/waze.
Click to expand...
Click to collapse
From what I hear it could mess with the battery. I only charge to full and only when I really need power I will charge it for a short time.
http://www.pure-gear.com/shop-by-category/power/extreme-usb-car-charger.html
someone order one of these and report back It says in stock w/ free shipping.
lensgrabber said:
http://www.pure-gear.com/shop-by-category/power/extreme-usb-car-charger.html
someone order one of these and report back It says in stock w/ free shipping.
Click to expand...
Click to collapse
Not for $30 With this battery, I can likely work all day and make it to the gym afterwards where I listen to music while working out and watch play movies/netflix while I finish up with cardio. My normal car charger will likely be fine for this.
rufflez2010 said:
Not for $30 With this battery, I can likely work all day and make it to the gym afterwards where I listen to music while working out and watch play movies/netflix while I finish up with cardio. My normal car charger will likely be fine for this.
Click to expand...
Click to collapse
That's actually the cheapest of the quick chargers I've found so far but yeah $30 is pushing it. I have found myself with a low charge on the OPO before where a quick charger would have been helpful. Instead I've had to use a NewTrent battery pack with it and the phone stuck in my man purse.
I use the Scosche USBC242M it's a dual port charger. Each port is 12 watts(2.4A). Its pretty fast, I believe the certified quick charge 2.0 ones are 15 watt ports.
lensgrabber said:
That's actually the cheapest of the quick chargers I've found so far but yeah $30 is pushing it. I have found myself with a low charge on the OPO before where a quick charger would have been helpful. Instead I've had to use a NewTrent battery pack with it and the phone stuck in my man purse.
Click to expand...
Click to collapse
The Ventex choice may be worth keeping an eye on to see if pricing drops (currently out of stock at $19.95 + ship).
http://www.neobits.com/ventev_vpaq1200micvnv_qualcomm_quickcharge_2_0_vpa_p7930323.html
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Looks like it's a more flush fitment too, whereas the rest are much taller.
I've used some Pure-Gear cables before. They were not manufactured well at all. They were also mislabeled as to what type.
Remember everybody, if you use a 2A car charger, which now seem to be widely available, you also must use the proper cable or you won't get the full current.
This Mediabridge is my favorite charging cable:
http://www.amazon.com/gp/product/B009W34X1I/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1
I use a TechMatte one for all my devices. Pretty cool charger, does what it's supposed to in a timely manner.
dianestory2 said:
I use a techmatte one for all my devices. Pretty cool charger, does what it's supposed to in a timely manner.
Click to expand...
Click to collapse
Thanks everyone!!
Just got the incipio car charger. Used the promo code for some bucks off. Hope it works well.
http://www.incipio.com/chargers/car-chargers/quick-charge-2-0-single-port-usb-charger.html
Promo code: fall14
For some reason when I tried to get the Incipio my order didn't go thru. I ended up getting the Powermod one for the same price after the Incipio coupon on Amazon.
Powermod Quick Charge 2.0 Certified D/C In-Vehicle Car USB Charger by Magnadyne http://www.amazon.com/dp/B00P9UILUM/ref=cm_sw_r_udp_awd_0fvAub0VPYE9B
Sent from my HTC One_M8 using XDA Free mobile app
Here is link for a qualcomm certified quick charge car charger, they have a wall charger as well, but the phone comes with that so may not be as useful:
http://www.powermod.biz/shop-1/charger-1
Update - Sorry didnt notice the poster right before me posted the link from Amazon for same charger lol, this is just from the manufacturer site that has it for same price I guess.
sesz said:
Just got the incipio car charger. Used the promo code for some bucks off. Hope it works well.
http://www.incipio.com/chargers/car-chargers/quick-charge-2-0-single-port-usb-charger.html
Promo code: fall14
Click to expand...
Click to collapse
I can vouch for the incipio car charger, acts very similarly to the turbo charger and definitely charges faster than any car charger I've personally used. Pricey, but the tradeoff is worth it
...
....
I ordered the neobits charger that was linked earlier. I like the idea of the new turbo style charger in the car. Price is deceptive because the cheapest shipping option is $14...
http://www.neobits.com/ventev_vpaq1200micvnv_qualcomm_quickcharge_2_0_vpa_p7930323.html
It works and everything but it isn't as flush mount as the design would seem to indicate. It sticks out a little which kind of annoys me. It is more minimal than any other car quick charger I have seen though so I guess it's ok.
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First thing guys i did not started this with a comparission in mind, i was just troubleshoting my phone but while i was testing all the chargers i have laying the house it seemed to me like a good idea to take note and share my findings. That said lets get to the problem:
Last mont (october 2015) i bought a new battery from official LG retailer it cost me Bs 12000 (Im from venezuela, crazy high prices for us), i did this because a part of my touch screen is dead and i read in several places that replacing the battery may fix that, well it didnt but at least i have a new battery. Anyway, the thing was super expensive, i also bought a LG "Original" Charger + USB cable at Bs 3000 from at respected seller, the Nexus 4 original oem charger fall from a table and died, it wasnt broke just didnt charge anything at all, thats why i bought a new one. I didnt pay much attention to the charging time until like 2 weeks ago, i was playing in the phone with the charger plugged and the battery was slowly discharging wtf?, since then ive been trying roms and kernel settings because i was to lazy to try another chargers until today. I was thinking about ROM and/or Kernel related problem since I updated to Android M about that time (2 weeks ago). So i didnt have idea if it was rom, kernel, battery or charger what wasnt working properly.
My phone setup:
ROM: Cataclysm Oct 27 2015 + SmartRadio Fix
Kernel: Hellscore b87-M (Hellsactive governor, row scheduler, DT2W and USB Fast Charge both enabled)
Method:
I used 2 USB cables, a generic no branded and a samsung one.
In developer options i enabled Stay Awake option so the screen will never go off while the phone is plugged.
I plugged the first charger with the generic cable and let the phone charging until it showed me the stimated remaining time for full charge, then i plugged the next charger (still with generic cable) and rebooted the phone, after boot i wated until it showed me the remaining time to go with the next charger, once i tested all the chargers i replaced the generic cable for the samsung and repeated the process. So i tested the charger twice, one with each cable, and yes i got the same results every time, so iguess this android feture is actually doing his job and saying the truth.
LG Original Charger - Not really original. Lited Output: 1000mAh
Samsung original charger, i bouth this one like 2 years ago like genuine, but is not. Listed Output: 1000mAh Now blury but i remember it was that amount.
Blu Charger from a Blu Jenny TV phone i have. Made touchscreen go crazy. Listed Output: 500mAh
Orinoquia Charger. Orinoquia is a brand selled by the goverment here in Venezuela. Listed Output: 550mAh
USB Charge. Straight from the back panel of my motherboard (MSI B75MA-E33, Windows 10 Pro x64)
Nokia Original OEM Charger. This is from my mom's Nokia Lumia. Listed Output: 750mAh
The Nokia charger was the only one that was actually delivering the amount of power that it says it should deliver. From now on im gona have a hard time thinking about wich charger im gonna buy. Dont buy cheap chargers guys and only buy them from the company itselft when possible or an authorized reseller. Sorry for my english
I always used a 2A Blackberry Playbook charger for my Nexus 4. Had it for three years and when I handed it to my Dad to use three weeks ago it would still do a day and a half normal usage.
Best charger out there. Still using it with my LG G4. Charges super quick.
Your USB cable can also make a difference.
You mentioned that you played with phone while it was charging...Its possible that you had lose contact at same time and cable was not supplying enough current for battery to charge. Just go to battery stats screen and it will show charging mode. If current being supplied is around 500 mA it will shows USB. This has happened to me on various phones including the n4. I usually just turn off wifi and data connnection and turn screen off while its charging and it really charges faster. ( better option would be to turn off phone). My charger is also broken (fell from wall socket on the floor) and it takes abut 3-4 hours to charge the phone.
I have also used friend's nokia charger and they are quite good. You can continue using it.. better use a 1.5 A or 1 A charger ( stock charger output is 1.2A)
I would also point out the Blackberry charger I use has a captive cable which reduces the connection issues.
sarus_b said:
You mentioned that you played with phone while it was charging...Its possible that you had lose contact at same time and cable was not supplying enough current for battery to charge. Just go to battery stats screen and it will show charging mode. If current being supplied is around 500 mA it will shows USB. This has happened to me on various phones including the n4. I usually just turn off wifi and data connnection and turn screen off while its charging and it really charges faster. ( better option would be to turn off phone). My charger is also broken (fell from wall socket on the floor) and it takes abut 3-4 hours to charge the phone.
I have also used friend's nokia charger and they are quite good. You can continue using it.. better use a 1.5 A or 1 A charger ( stock charger output is 1.2A)
Click to expand...
Click to collapse
Thanks ill try to find a charger with that output that actually delivers it.
My 0,05$:
I tried out a lot of chargers for both my nexus 4 & nexus 9 (tablet) and got by far the best results with Nillkin chargers & usb cables (you can by them cheap from banggood.com). Bought 4 so far (home-office-multiple devices): Very fast charge (much faster than original chargers included with both Nexus 4 & 9), very decent build quality, useful USB cable, charger doesn't make any humming noise, etc. Can strongly recommend.
after i had lost my original n4 charger, i used a motorola charger, which delivered max ~600mA or something. then i bought sony cycle energy wall charger CP-AD2. it is very cheap yet quite powerful. i suggest using currentwidget for checking charging speed. sony charger delivers min 700mA max 816mA (i think its the limit of the n4 since sony charger can deliver up to 2A)
ereghro said:
after i had lost my original n4 charger, i used a motorola charger, which delivered max ~600mA or something. then i bought sony cycle energy wall charger CP-AD2. it is very cheap yet quite powerful. i suggest using currentwidget for checking charging speed. sony charger delivers min 700mA max 816mA (i think its the limit of the n4 since sony charger can deliver up to 2A)
Click to expand...
Click to collapse
Thanks for the suggestion ill try that app, didnt know fo his existence jaja
The limit is 1,5 A coz the orginal charger delivers 1,2 and there is always 300-400 mah tolerance
Gesendet von meinem Nexus 4 mit Tapatalk
nowster said:
Your USB cable can also make a difference.
Click to expand...
Click to collapse
I agree.
I'm using a Samsung USB cable with my original LG N4 charger.
It charges twice as fast compared to the original cable that came with the charger.
However, I'm pretty sure it was okay before. Maybe the LG cable is not as durable as the Samsung cable.
Okay!! Yes it is true. I myself now use only the Xiaomi Redmi 2 Prime's charger. As it charges my Nexus 4 far more faster than the real charger.
Introduction
One can never have too many wall chargers; especially in a day and age where people own multiple devices or live in busy households with many cellphones users under the same roof. I am one of those people, so wall chargers with multiple ports often come in handy. There are plenty on the market, but which one is the right choice? Also, I'm not a professional photographer, so some of the pictures will be less than fantastic, especially when you consider the Nexus 5X I used sucks at close-ups for some odd reason. Anyways, lets dive into the Tronsmart 33W Dual USB wall charger.
Disclaimer: I received the reviewed products from Tronsmart in exchange for this review. I have no financial stake or affiliation with this company. I've actually never even owned a Tronsmart product before. No bias exists here.
Details
Device: Tronsmart W2PTE Dual USB Quick Charger
Price: $21.99 (at the time of this review)
USB-A Output: 5V/3A(MAX)
USB-C Output: 3.6V-6.5V/3.0A,6.5V-9V/2.0A,9V-12V/1.5A(MAX)
Initial Impressions
Along with the charger, I received boxes of Black and White USB-C and USB-A to USB-C cables (four cables total). This review will not focus on the performance of the cables, as they have already been reviewed here. They do, however, adhere to the USB-C standard.
The packaging is pretty standard. They're cables and chargers, so nothing fancy is really required here. I did notice, almost immediately, the USB 2.0 logo. I'm a little disappointed that the cables are not USB 3.0 but we're really treading into nitpicking territory here. My Nexus 5X isn't USB 3.0 capable but my future devices down the road might be.
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My first impressions of the charger are good. It's made of a mixture of textured and gloss plastic, the design itself is quite attractive. There are no visible seems or sharp edges in the plastic. Additionally, it has a nice heft to it, sometimes indicative of quality. The swiveling mechanism moves with an authoritative "snap", inspiring further confidence in the build quality of the product.
As mentioned previously, I received two USB-A to USB-C cables, one black and one white, and two USB-C cables in the same color arrangement. The cables are terrific. The first thing I noticed was that the cables are a bit thinner than the Choetech cables I have (same gauge as the cable that came with the phone), but are far more flexible. The flexibility is nice when charging the phone on my desk so I don't have to bend and manipulate the cable to get it in a state where it's not constantly tugging on my phone. With the less flexible Choetech cable, I felt that sometimes the cable with putting a lot of stress on the charging port of the phone. I don't have this concern with the Tronsmart cables. This is also great for travelling where I can easily coil them up and throw them in a bag without having to twisty-tie them together. The ends of the cables are also a bit nicer as well. The USB-C ends having a sloped, ergonomic shape that fits my fingers quite well.
Design and Features
The charger sits in a normal wall outlet vertically. When plugged in, it has an indicator light that glows green, which is a nice touch, but doesn't really mean anything other than that your wall outlet is working.
The charger has two ports. A USB-C port and USB-A port. The USB-C port is a Qualcomm QuickCharge 3.0 capable port. An ability that my Nexus 5X can't take advantage of, but is much appreciated by me nonetheless. I'm sure the charging speed will come in handy in the future. The USB-A port is a "Volt iQ" port. Volt iQ is essentially a small circuit that is able to detect the current required by the device that's being charged. It's a pretty cool feature that expands the compatibility of this charger to almost any device, even Apple products or older devices before standards (like 2.1A charging) were set in the industry.
Performance
I'm gonna be honest here, I had planned on presenting a bunch of data and results from readings taken using the popular app, Ampere. Unfortunately, readings were so sporadic I didn't even bother to continue with recording the information. I'm assuming this has more to do with the phone and its battery temperature / CPU usage and less to do with the actual charger itself. I can tell you that a pattern that quickly emerged is that the phone would not charge any faster than 2540mAh from either port, using any of the supplied cables.
2540mAh is a very respectable number and while the phone is capable of charging at 3000mAh, this number doesn't really bother me because, if anything, the battery will stay healthier longer.
It should also be mentioned that immediately after receiving these cables I visited a good friend of mine for a weekend. He has two young dogs, one German Shepherd that's 6 months old. To my dismay, I came downstairs one morning to find the dog chewing on the cable. I removed the cable from the dog's mouth and to my surprise, there was no damage to the cable. If anything this is a testament to the cable's durability. Teething Puppy-Approved.
Overall
Overall, I'm quite happy with the quality and performance of the charger and the cables. I would recommend these products to anyone looking for a good and up-to-spec charger for a decent price.
Additionally, I'd like to thank Tronsmart for the charger, cables and the opportunity.
Nice review, I just picked one of these up.
Got this today, along with a Tronsmart USB type C cable. Phone identifies as charging rapidly, when its both charging alone as well as when it's alongside an iPhone 6S. Seems like a great charger.
Alcolawl said:
Introduction
One can never have too many wall chargers; especially in a day and age where people own multiple devices or live in busy households with many cellphones users under the same roof.
. . .
Overall, I'm quite happy with the quality and performance of the charger and the cables. I would recommend these products to anyone looking for a good and up-to-spec charger for a decent price.
Additionally, I'd like to thank Tronsmart for the charger, cables and the opportunity.
Click to expand...
Click to collapse
Hi there and thanks for the great review.
I know I'm a bit late, but hopefully you can still answer this Did you test the out when both USB Ports were in use simultaniously? Does the Output decrease by a noticable amount?
Thanks!
JimWest7997 said:
Hi there and thanks for the great review.
I know I'm a bit late, but hopefully you can still answer this Did you test the out when both USB Ports were in use simultaniously? Does the Output decrease by a noticable amount?
Thanks!
Click to expand...
Click to collapse
I had not tested that. I'll check it out when I get home and get back to you
Alcolawl said:
I had not tested that. I'll check it out when I get home and get back to you
Click to expand...
Click to collapse
Thank so much for the effort! I need a second charger and figured I might as well get one that my girlfriend and I can use at the same time, she doesn't care how quick her oneplus x chargers, but I hope at least the USB C connector is still quick
thanks!
JimWest7997 said:
Thank so much for the effort! I need a second charger and figured I might as well get one that my girlfriend and I can use at the same time, she doesn't care how quick her oneplus x chargers, but I hope at least the USB C connector is still quick
thanks!
Click to expand...
Click to collapse
it's a 33w charger, so it can charge both the type c device (15w) and a quick charge device (18w) at max speeds. a non quick charge phone will also top out, albeit at 12w so you're not pushing the charger to its limit
Not pushing it to the limit if fine for me, I couldn't find a better alternative at that price point so far anyway.
Sent from my Nexus 5X using XDA-Developers mobile app
JimWest7997 said:
Thank so much for the effort! I need a second charger and figured I might as well get one that my girlfriend and I can use at the same time, she doesn't care how quick her oneplus x chargers, but I hope at least the USB C connector is still quick
thanks!
Click to expand...
Click to collapse
So yesterday my girlfriend plugged her phone (Galaxy S6) into this charger via the VoltiQ port while my phone was already connected and charging via the USB-C port. We took a quick 1 hour nap and my phone was fully charged while hers was only at 45% when we woke up. Charging two devices at the same time should not effect the speed of the charge for either device but I figured I'd follow up with this info. Not sure what happened, maybe the phone throttled the charging because the battery got warm.
Its been confirmed this is an out of spec charger...
Sent from my Nexus 6P using XDA-Developers mobile app
sapphirecoupe said:
Its been confirmed this is an out of spec charger...
Sent from my Nexus 6P using XDA-Developers mobile app
Click to expand...
Click to collapse
Interesting. Link?
sapphirecoupe said:
Its been confirmed this is an out of spec charger...
Sent from my Nexus 6P using XDA-Developers mobile app
Click to expand...
Click to collapse
No
Sent from my Pixel XL using Tapatalk