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I am attempting to build a small 4xAA USB charger to use while on long flights so that I can watch movies. I notice that the wall charger is rated 5v 1000ma. I wonder if anyone has any clue what the Kaiser draws at full processor load. I can make a 4x AA charger with a 1000ma capacity, but if i could get away with something like a Minty Charger(2xAA, maybe like 500ma), I would, as the plans are there, and it would save me 15 bucks for a switching voltage regulator.
Has anyone done any work to this effect, and would they mind sharing their measurements?
Thank you in advance,
Ben
use batterystatus and check consumption when watching a movie or something
I will certainly check that, thanks!
Also does anyone know whether the kaiser has and odd charging tendedcies?
My plan basically calls for 4 aa batts wired in series to provide 6v, into a 5v switching voltage regulator, and out to USB. Will this be something that will work, or are there any odd little caveats i need to worry about?
Ben
The USB spec calls for a max of 500mA at 5V. Since the Kaiser can charge off of USB, then that should work.
I have a back ground in basic electronics, and building something like this would be right up my ally. But when I can find just what you want at a price like this>>
http://www.thepocketsolution.com/PSI-42555.html
I can't see any reason to bother building my own. I use this vary one, for just the same reasons you want one. And it works great.
GWelker62 said:
I have a back ground in basic electronics, and building something like this would be right up my ally. But when I can find just what you want at a price like this>>
http://www.thepocketsolution.com/PSI-42555.html
I can't see any reason to bother building my own. I use this vary one, for just the same reasons you want one. And it works great.
Click to expand...
Click to collapse
Wow! I suppose I should have done a little more research first That charger costs the same as a decent switching voltage regulator.
Does that thing look like it's easy to open up? I may wish to modify it slightly so that I can charge other USB devices off it. I also probably want to repackage it into something fun.
Thanks for letting me know about this charger... You have saved me a lot of soldering
Ben
edit:
http://www.thepocketsolution.com/PSI-36223.html
I'm scratching my head re this one. The tilt and the kaiser are, with very few exceptions the same phone. I would imagine that the battery chargers here are the same too, though this one is a couple bucks cheaper. The AAA model is only 10 bucks... I imagine that all these things are is a voltage regulator and an LED... if i am gonna rip one apart anyways, is there any reason i couldnt get the AAA model, tear it up, jack 4 AA batteries to it, and get all the benefits of the 15 dollar model, for 10? Im not really penny pinching, though if i decide to repackage the whole deal anyways, might as well save the 5 bucks and buy a USB jack
ben
with the cost of geting the parts, you can buy one for about USD 10.
kms
You might want to check that giving the phone 5 volts will actually put it into charge mode. I believe the mot razar won't charge off the USB unless it first communicates with the computer. Don't know though, I only borrowed the phone for a week when traveling for work.
As for power consumption, I took a 10 hour trip yesterday. Bought a USB car charger and used the data cable that came with the phone. I plugged it in and it went into charge mode. Running tomtom and such didn't charge the battery to any meaningful extent while it was plugged in. Fortunately, it didn't drain the battery either.
Maybe the phone knows the diff between USB and an OEM charger, and draws power accordingly (500mA for usb, 1 amp for OEM charger).
Edit: the car usb thing I picked up is rated for 5v +-.5 volt and 1 amp output (says the sticker anyway). Does the job I was hoping for and was cheap (6 bucks at fry's).
Nice!
I think im gonna order 2 of the battery chargers linked above. one i will keep stock (i leave for spain in a few weeks and need one to work)
the other i will rip apart and see if i can do something fun and exiting with it. I think i have an empty altoids box around somewhere.... the one i used to hide smokes from the parents in when I was a kid....
I like breaking stuff!
Ben
Note that the Tytn II's charge circuitry may require more than 500 mA if the battery is sufficiently discharged. In such conditions, a 500 mA charging current won't actually charge the battery. A 1000 mA charging circuit should be sufficient, as that matches the device's rating as specified in the manual.
Be real careful..
Be careful taking any home built electronics on a plane in these days since 9/11.
A girl in USA got done for having a battery and LED on her t-shirt in an airport and wasnt even flying...
id be amazed if you were allowed to take a home-built circuit onto a plane, esp. in the USA
just saying
g
pontifex33 said:
edit:
http://www.thepocketsolution.com/PSI-36223.html
I'm scratching my head re this one. The tilt and the kaiser are, with very few exceptions the same phone. I would imagine that the battery chargers here are the same too, though this one is a couple bucks cheaper. The AAA model is only 10 bucks... I imagine that all these things are is a voltage regulator and an LED... if i am gonna rip one apart anyways, is there any reason i couldnt get the AAA model, tear it up, jack 4 AA batteries to it, and get all the benefits of the 15 dollar model, for 10? Im not really penny pinching, though if i decide to repackage the whole deal anyways, might as well save the 5 bucks and buy a USB jack
ben
Click to expand...
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I can't see any difference in these two. I've had this one for over a year and half. I used on the 8125, the 8525, and now the Tilt.
As far as a AAA ver a AA, since the voltage is the same between the two, then it is only a question of mAh capacity.
I have one thing to say if your coming into America with some home made electronics your going to be thrown in Jail ...
ripnetuk said:
Be careful taking any home built electronics on a plane in these days since 9/11.
A girl in USA got done for having a battery and LED on her t-shirt in an airport and wasnt even flying...
id be amazed if you were allowed to take a home-built circuit onto a plane, esp. in the USA
just saying
g
Click to expand...
Click to collapse
I've actually taken a suitcase full of half built circuit boards and electrical components as carry on (half finished school project). They didn't even raise an eyebrow. As long as it isn't connected to something that looks like a bomb, I don't think they care.
thanks, i surmised that based on some other devices i have. I'm not too concerned as the battery will never (hopefully) get critically low. I'd like to jsut keep the thing running for ~9 hours while running either GPS or a movie... I hate plane rides, and i need something to do to entertain myself. I'll see what the charger mentioned above can put out. I just ordered two, and we'll see what it looks like... I'll write a review when i have had time to play with it a bit.
I've had Archos portables for years and it also has a 5V input. A simple 4 cell pack using 2300-2900 NiHi AA batteries in series will easily power these devices for over 10 hours straight. What's nice is that you don't need any regulator at all, just don't use alkaline batteries in it as you'll be at 6V. I carry a very small 4-cell charger to charge the cells. Works great for long travel. I took an iPod version with battery fuel gague, stripped out their power supply and just kept the power switch and fuel gague circuit. This costs more but works really well and looks good too.
So this thread is of some use to others: here are some data that i collected regarding current draw:
Locked with the screen off, no apps running: 1-4ma
TCMP playing a movie fullscreen: never more than 350ma
TCMP Playing in background with tomtom navigator 6 running: 416ma
all done in flight mode with the backlight set to the middle.
Can you you do a worst case test for current draw?
Turn on GPS, bluetooth, Wifi, backlight max and not flight mode.
Planning to buy a second battery for the HD2.
Certainly would be convenient to be able to charge the spare battery externally, and have it ready for use.
Anyone know of an external battery charger that is available? Anyone here actually tried one, and could tell us if it works well or not?
I see one on Ebay-
http://cgi.ebay.com/Battery-AC-WALL...CH-HD2-T8585-/290466531133?pt=PDA_Accessories
Don't know if it is any good though.
Also, not sure if it is really for the HD2 battery. The ad says it is for the "HTC TOUCH HD2 T8585".
Is the HD2 ever called "Touch HD2"? Or do they have it confused with the Touch Pro? What is that number T8585?
Farther down I thought I recall it said something like "for Sprint HD2", although I don't see that now. Sprint doesn't have the HD2, does it?
Even at a cheap price like that, it would be kind of a drag to buy that, and it doesn't fit the HD2 battery at all, then you have to pay for return shipping. (At least it is shipped from the USA, unusual for that kind of thing.)
Anyone here tried one of these, or another one? It would certainly add to the convenience, if one has an extra battery, to be able to charge one externally? (This one says it can charge two, but I don't see how from the pic.)
I just bought a spare battery from this place.
http://www.obostore.com/catalog/product_info.php?cPath=21_45&products_id=189
I bought one and it cooks my batteries. We should start a thread dedicated to finding after market and OEM batteries online. I purchased several batteries from ebay vendors and IMMEDIATELY tested them using a Triton (RC Hobby Computer chargers) it is sophisticated and charges to max recommended voltage then MEASURES the wattage during a fixed drain cycle. I sent up the drain cycle assuming a 5 hour talk time. (MAH of batteries / 5). EBAY batteries consistently only gave 750-850 mah although they claimed over 1000. One seller (I tested 2 batteries) only had 450 and 465 mah.
I purchased cradle chargers, "OEM" Car chargers, as well as wall chargers. The bottom line is that Chinese produced items are prey to the lowest price regime that is the nature of the Chinese market. Quality is non existent, just the lowest price for an item that resembles a quality product.
Stick with verizon, sprint etc chargers that are proven and tested. That was the best solution for me. I tried to purchase an "OEM" HTC [email protected] charger ebay. It had a poor replica of an HTC logo and it also seems to overcharge and cook my batteries.
Anyone else have any experience or opinions?
Now you got me scared about buying one of the battery chargers.
By the way though, just about everything we buy here (certainly electronics) is made in China. But yes, if it is non brand name, or fake brand name, it might not (or might) have the same quality. (And if shipped from China, not worth returning if it is a dud.)
You say "stick with Verizon and Sprint chargers". Well, the HD2 is not sold by Sprint and Verizon. Are you saying they put out a charger for one of their phones, that uses the exact same batteries? Link to those chargers? Thanks.
chrisnia said:
I bought one and it cooks my batteries. We should start a thread dedicated to finding after market and OEM batteries online. I purchased several batteries from ebay vendors and IMMEDIATELY tested them using a Triton (RC Hobby Computer chargers) it is sophisticated and charges to max recommended voltage then MEASURES the wattage during a fixed drain cycle. I sent up the drain cycle assuming a 5 hour talk time. (MAH of batteries / 5). EBAY batteries consistently only gave 750-850 mah although they claimed over 1000. One seller (I tested 2 batteries) only had 450 and 465 mah.
I purchased cradle chargers, "OEM" Car chargers, as well as wall chargers. The bottom line is that Chinese produced items are prey to the lowest price regime that is the nature of the Chinese market. Quality is non existent, just the lowest price for an item that resembles a quality product.
Stick with verizon, sprint etc chargers that are proven and tested. That was the best solution for me. I tried to purchase an "OEM" HTC [email protected] charger ebay. It had a poor replica of an HTC logo and it also seems to overcharge and cook my batteries.
Anyone else have any experience or opinions?
Click to expand...
Click to collapse
i got my battery and external charger here:
http://www.mobimega.com/momax-u-charger-battery-and-phone-charger.html
http://www.mobimega.com/momax-mobile-phone-replacement-battery.html
fi3ry_icy said:
i got my battery and external charger here:
http://www.mobimega.com/momax-u-charger-battery-and-phone-charger.html
http://www.mobimega.com/momax-mobile-phone-replacement-battery.html
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Click to collapse
Thank you, but just telling us where you bought your battery and charger don't tell us much, without a review of them.
I also posted a link to a charger in the OP, and asked if anyone has tried it, and knows if it is any good.
The previous poster wrote that the no-name chargers can damage the batteries. I don't know if he or she is correct or not, but it scared me about buying one. The battery and charger you linked to are no-name. Have you tested them, the way the previous poster did?
Also, the products you linked to seem very expensive, but I don't know the relationship of Hong Kong dollars to US dollars. Anyone know?
Well, I just bought the one I mentioned in the second post, from Ebay.
At $5.99, free shipping, ships from the USA, I figure not much to lose.
I guess I'll be nervous whether the poster is correct about generic chargers "cooking" batteries. I don't know how I would know, if the charger is damaging to batteries or not. Would they be too hot after charging?
By the way, for those interested in a "cradle" for the HD2, which also has a space for charging an extra battery, I saw one on Amazon, about $20. http://www.amazon.com/gp/product/B0..._m=ATVPDKIKX0DER&pf_rd_r=1FZ013TFV210J7ZAEDS6
(I have no need for a cradle though, and prefer the small charger only design.
me said:
Thank you, but just telling us where you bought your battery and charger don't tell us much, without a review of them.
I also posted a link to a charger in the OP, and asked if anyone has tried it, and knows if it is any good.
The previous poster wrote that the no-name chargers can damage the batteries. I don't know if he or she is correct or not, but it scared me about buying one. The battery and charger you linked to are no-name. Have you tested them, the way the previous poster did?
Also, the products you linked to seem very expensive, but I don't know the relationship of Hong Kong dollars to US dollars. Anyone know?
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lol.. i am using the charger and battery as we speak... and its not some no-name charger and battery.. the brand is MOMAX.. they have a website momax.net which shows their items.. the battery is fit for use for HD2 original battery and the momax battery, which is why i bought it.. the charger has got 2 charging points, direct to hd2 like the normal charger, and external battery charging function, which is what i liked about it.. no need to switch between 2 chargers, 1 stop solution for the battery in my phone and the other spare battery, whether is it the original battery or their momax battery.
Well, having a name one never heard of like "Momax", doesn't mean the product is not "no name". By the latter I did not mean no name at all, but not a recognized brand name.
Not saying that all products without a recognized brand name are no good (I ended up ordering one, in fact), just that one is taking a chance. (And I think I would have taken just as much of a chance with "Momax" as with the one I ordered.) Besides, the one I ordered was shipped from the USA, much better for returns, quick shipping, etc., than something ordered from Hong Kong.
By the way, do you work for that company "Momax"?
fi3ry_icy said:
lol.. i am using the charger and battery as we speak... and its not some no-name charger and battery.. the brand is MOMAX.. they have a website momax.net which shows their items.. the battery is fit for use for HD2 original battery and the momax battery, which is why i bought it.. the charger has got 2 charging points, direct to hd2 like the normal charger, and external battery charging function, which is what i liked about it.. no need to switch between 2 chargers, 1 stop solution for the battery in my phone and the other spare battery, whether is it the original battery or their momax battery.
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Click to collapse
me said:
Well, having a name one never heard of like "Momax", doesn't mean the product is not "no name". By the latter I did not mean no name at all, but not a recognized brand name.
Not saying that all products without a recognized brand name are no good (I ended up ordering one, in fact), just that one is taking a chance. (And I think I would have taken just as much of a chance with "Momax" as with the one I ordered.) Besides, the one I ordered was shipped from the USA, much better for returns, quick shipping, etc., than something ordered from Hong Kong.
By the way, do you work for that company "Momax"?
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Where did you get yours from? I ordered one off of Ebay for 5 bucks. Got it 3 weeks later and it worked for one charge, then died. I emailed them and they agreed to send me another one without question, but it's going to be another 3 weeks until I see it.
lol.. of course not rofl..
im from Singapore, not Hong Kong.. and besides, shipping from Hong Kong to where i live is cheaper than from europe and the states, not to mention currency conversion..
I really wish there was a cradle charger that worked with the Otterbox cases!
has anyone heard of this battery? the company is called powergen http://www.amazon.com/1200mAh-Power...?s=electronics&ie=UTF8&qid=1284442457&sr=1-22
misterlim said:
has anyone heard of this battery? the company is called powergen http://www.amazon.com/1200mAh-Power...?s=electronics&ie=UTF8&qid=1284442457&sr=1-22
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Click to collapse
nope, not me..
I have the charger pictured in the 2nd post here, ive had it for over 2 months charging batteries in it daily and have had no problems with the charger or batteries.
The seller i bought it from was US based and they also shipped 2 additional batteries with it, so i now rotate my batteries. I have one in the phone, a spare that i carry in my wallet, and one in the charger at all times. When the phone battery dies it goes into the charger, the charged one goes to my wallet ,and the one in my wallet goes to the phone.
I started doing this ever since I had to return by HD2 due to a damaged USB port causing it to go into car kit mode. I think i have only used this new HD2's USB port twice for charging since i got it. I prefer to just swap the batteries.
This works out great because i never have to worry about carrying around a charger and finding a place to stop for awhile to charge up a bit
It does however seem the charger is incapable of charging a battery and phone via the usb port simultaneously. If i put a dead battery in it the charge light will light up red to indicate it is charging, as soon as i plug something into the usb port the light will go blue to indicate charging is done. Im guessing the internal power supply isnt beefy enough to simultaneously charge both
Just bought the same charger listed in the 2nd post. Seller informed me of delayed USPS pickup due to the snow storm in NY area
Oh well for $5 if it doesn't work as expected it won't hurt my wallet.
charger arrived last night, tested with the stock battery. Charged to full in 3 hours, so far so good.
Only complaint: the charger is slight narrower compared to the battery, so about 1/8 inch of the battery is sticking out during the charging process. It does look cheap but gets the job done. Besides, it's only $5.
Now I just swap batteries (I bought an extra battery elsewhere) and don't have to use the USB port to charge anymore, woohoo!
going to buy this charger from ebay..will review it later when it comes
http://cgi.ebay.com/Battery-AC-WALL...ccessories&hash=item43a75dfaf5#ht_2065wt_1139
wearefree said:
charger arrived last night, tested with the stock battery. Charged to full in 3 hours, so far so good.
Only complaint: the charger is slight narrower compared to the battery, so about 1/8 inch of the battery is sticking out during the charging process. It does look cheap but gets the job done. Besides, it's only $5.
Now I just swap batteries (I bought an extra battery elsewhere) and don't have to use the USB port to charge anymore, woohoo!
Click to expand...
Click to collapse
Busted USB port here, about 6 months ago, bought the same charger and a spare battery, and it hasn't failed me yet. The battery does stick out the one side a bit, but it works. Only problem I ever had was the one time I let my gf switch my batteries in it and she bent one of the charger's contact pins. I bent it back, and it's worked well since.
I actually prefer battery swapping now over charging.
Does anyone have experience with some of the cheap batteries found on ebay.
I use to buy cheap Hong Kong batteries for my Blackberrys from ebay (for as little as a $5). Of course I'm not expecting stellar performance at this price but I found I'd get 75% as much as the original from some and as little as 30 mins on standby from others!
Has anyone had any success with this?
I'll be able to tell you in a few weeks. I just ordered a couple and they are due in next weeks.
Awesome. Thanks!
I bought one of the cheap aftermarket batteries from eBay. It seems to work OK, if slightly shorter than the original Dell battery (this is just subjective - I have not done a direct comparison). Then again, I have 3 original Dell batteries and (subjectively) they also seem to have variances in how long they last.
I have also bought similar batteries for my previous phones (a Toshiba TG01 and a load of HTC devices) with no problems.
For the cost of the Hong Kong batteries, they are very cheap insurance against ending up somewhere with a flat Dell and no way to charge it.
Could you perhaps link me to the seller you bought from?
i usually dont put cheap batts in my phones...buy some quality ones! theyll last longer and wont drain as quick...
kentt1 said:
Could you perhaps link me to the seller you bought from?
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Click to collapse
Just do a search on eBay - http://shop.ebay.co.uk/i.html?_nkw=...w=(Dell,slacker)+(Streak,"Mini+5",G2)+battery - and choose the cheapest.
The one I bought was item 360304238945 from seller grade_a_battery but I suspect that they all come from the same factory, so I would just choose the cheapest. The battery I received was physically identical to the original Dell one (other than the sticker on it).
SiL3nTKiLL said:
i usually dont put cheap batts in my phones...buy some quality ones! theyll last longer and wont drain as quick...
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Click to collapse
Given that the cheaper batteries on eBay cost under £8 each, whereas the official Dell battery costs over £38 - http://accessories.euro.dell.com/sna/ProductDetail.aspx?c=uk&cs=ukdhs1&l=en&sku=451-11431 - and the cheaper batteries are almost as good as (if not identical to) the Dell originals, I really can't agree with you.
Philip said:
Just do a search on eBay -- and choose the cheapest.
The one I bought was item 360304238945 from seller grade_a_battery but I suspect that they all come from the same factory, so I would just choose the cheapest. The battery I received was physically identical to the original Dell one (other than the sticker on it).
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Click to collapse
Awesome. Thanks.
Philip said:
Given that the cheaper batteries on eBay cost under £8 each, whereas the official Dell battery costs over £38 - - and the cheaper batteries are almost as good as (if not identical to) the Dell originals, I really can't agree with you.
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Click to collapse
+1
Never hurt a device that I've had to use cheap batteries. Cheap chargers on the other hand can destroy your good batteries.
So what do you use to charge your batteries (cheap or otherwise)?
I order one of the universal lithium chargers off of ebay.
stevenlong said:
So what do you use to charge your batteries (cheap or otherwise)?
I order one of the universal lithium chargers off of ebay.
Click to expand...
Click to collapse
I was planning on just swapping them out of the device as needed. Not the best situation but I've ruined batteries with cheap chargers. Problem is the damage takes a while to be evidenced so it's hard to know if your charger is ruining your battery. If there is an official stand alone charger from Dell at some point in the future then I'll probably pick that up. It's unfortunate that they sell extra batteries but no extra chargers.
Is anyone aware of a good quality charger for these batteries?
So your plan is to use the streak as the charger.
I thought about that but it is in the charging phase that batteries are at their most dangerous (to damage the phone).
Yes that was my plan
I didn't know that would be a good way to damage the phone.
I'm guessing the damage would be to a processor in a similar way that processors are damaged in a computer. I know a bit about this. Specifically that small changes in voltage can quickly ruin a processor. I've seen as little as using 1.5V, where 1.4V was the specified maximum, permanently degrade a processor after only 30 minutes of use. Also heat issues could possibly arise (though in desktop computing this is a huge misconception as it is almost impossible to damage a CPU like this these days because of built in self preservation mechanisms).
But for those in warranty it would be impossible for Dell/whoever to tell that this is why, so there isn't too much risk if it did come to that.
I wish that an expert would weigh in here.
What I was thinking of was when batteries fail they leak, get too hot, or explode.
These things usually happen during the charging cycle of a batter.
Put it this way, I left my streak charging with a motorola charger (700ma), don't know if it makes any difference, left it overnight charging from 30%, next morning the streak had no charge and wouldn't charge the battery, now I have 2 batteries and a desktop charger made of 2 desktop chargers lol and a dell streak that won't charge, I already have tried a few cables even a dock and no go on the charging, I can sync the streak and transfer files but nothing on charging. I highly suggest you buy a desktop charger for those cheap batteries. its only $5 on the most.
Also there is a power management IC (TPS 65023)in charge of any power related thing, worst case if your battery over voltages it will burn that IC before it reaches the cpu.
SiL3nTKiLL said:
i usually dont put cheap batts in my phones...buy some quality ones! theyll last longer and wont drain as quick...
Click to expand...
Click to collapse
I run my laptop and my Dell Streak on cheap batteries. My Toshiba NB100 gets 5 hours on a charge (1 hour more than original battery) and the cheap 7 pound Cameron Sino battery in my Streak is easily comparable to the genuine item
I bought two cheapie batteries for the Streak and neither will charge in the streak itself. (I get a temperature warning and info that the battery will not charge.)
HOWEVER...
I bought one of those cheapie external battery chargers (search "Dell Streak battery charger on ebay) and I am able to charge the battery in it. It lasts as long as the original battery and it gives me great peace of mind knowing I have a fully charged battery for my Streak in reserve.
I think i am going to buy this one...you get 2 of the 1600mah batteries and a charger for less than 25$....They look pretty good and are bigger than the stock 1530mah...I also found a 1650mah however this is a better deal....I also found a sweet bluetooth keyboard for less than 5$...I have a love/hate ebay though...Bought over a 100 things and always seem to get 1 in 2 things...lol...rest of the time I either get my money back or get ripped off...been waiting for 2 months for screen protectors...lol....
http://cgi.ebay.ca/ws/eBayISAPI.dll...020102&ssPageName=STRK:MEWAX:IT#ht_3343wt_905
To get more power from a Lithium battery you need to make it bigger (see the Mugen batteries), batteries that boast a higher Amp rating at the same size are just Chinese salesmanship. Not saying don't buy them, just be aware that they most likely will not last longer than your original.
andymp3 said:
I think i am going to buy this one...you get 2 of the 1600mah batteries and a charger for less than 25$....They look pretty good and are bigger than the stock 1530mah...I also found a 1650mah however this is a better deal....I also found a sweet bluetooth keyboard for less than 5$...I have a love/hate ebay though...Bought over a 100 things and always seem to get 1 in 2 things...lol...rest of the time I either get my money back or get ripped off...been waiting for 2 months for screen protectors...lol....
http://cgi.ebay.ca/ws/eBayISAPI.dll...020102&ssPageName=STRK:MEWAX:IT#ht_3343wt_905
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Click to collapse
I have just bought this 2X Battery + Charger. The Charger has a foldaway 2 pin US AC plug but the seller also provides a UK slip on adapter. See here
http://cgi.ebay.co.uk/B11u-2-Batter...438?pt=LH_DefaultDomain_3&hash=item19c4447a16
I am really pleased with the purchase. The Charger is very good and the batteries are fine, just what you would expect and will do me in an emergency.
I can recommend the seller too. He communicates and is very helpful. When the UK adapter was received broken he has promised to send a replacement.
BrokenPixel said:
Put it this way, I left my streak charging with a motorola charger (700ma), don't know if it makes any difference, left it overnight charging from 30%, next morning the streak had no charge and wouldn't charge the battery.
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Click to collapse
I think to charge streak the charger output needs to be 1000mA.
I have a mungen battery, very good investment. Last longer then original, wouldn't trust the cheap hk ones.
I've recently bought an Energizer portable charger from ebay, will let you guys know my experience once I got it
I am on travel very often and my last experience with my Desire was that when working on the phone with no possibility of charging it, I was left with very little or non battery late afternoon. Any suggestion for a good Travel Battery Pack anyone? One extra charge will do. Thanks
Probably better off getting a spare battery, and charge it up, most easiest way i think instead of carrying aa batteries and charge cases, leads etc.
Just look on ebay and click cheapest first.
Sent from my LG-P990 using XDA App
Kickasskev said:
Probably better off getting a spare battery, and charge it up, most easiest way i think instead of carrying aa batteries and charge cases, leads etc.
Just look on ebay and click cheapest first.
Sent from my LG-P990 using XDA App
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Click to collapse
Perhaps you are right. Thank you
you can get 3 spare batteries and a charger from ebay for about £10.50, Not sure whar that converts to.
stevvie said:
you can get 3 spare batteries and a charger from ebay for about £10.50, Not sure whar that converts to.
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Cheap lol but check the postage time if they are from CHINA
Good Luck
Got these Conversions for you for a rough guide
Sunday, May 1, 2011
11 British Pound = 15.91271 Swiss Franc
11 Swiss Franc (CHF) = 7.60398 British Pound (GBP)
Median price = 1.44461 / 1.44661 (bid/ask)
Minimum price = 1.44461 / 1.44661
Maximum price = 1.44461 / 1.44661
Hope this helps
i use solar charger it has built in 3000Ma battery you can also charge it from pc or adapter and ready to go with extra power. Have it from ebay for $29
Did anyone test any spare batteries from ebay? Thought of getting some, but not sure if it is worth it or not (the charge should at least be as high as the stock battery's) .
Got this few days ago from a china online retailer. Good construction and nice pocketable size. Slightly heavier than LG2X & about 20% thicker. Comes with 0.5A & 1A USB output.
So far, on 0.5A output, no in-charger lock ups yet - which I do get from some AC chargers.
Priced upwards of US$35. Google for "5000mah Power Bank".
will LG come out with an extended battery for the Optimus 2X ?
If they made 2 models. one like we have with a 1500 battery and one that is 1.2-1.4X thicker with lets say a 3000 battery I think almost everybody would choose the slightly thicker 3000 battery model.
These devices are small enough as it is, they should now stop trying to make them smaller as they are surely limited by the screen size, and make them last longer.
I had a Del Axim X50v a few years back that I brought an extended battery and battery cover for, this actually made the device feel better in the hand.
I think the future is not far... for batteries that are either running on gas or like these ones which can be fully charged in less than 3 min. http://green.autoblog.com/2011/03/23/new-battery-technology-electric-vehicles-recharge-minutes/
stevvie said:
you can get 3 spare batteries and a charger from ebay for about £10.50, Not sure whar that converts to.
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Well I order mine, but the version with 1 charger and 2 spare batteries (3 batteries is just plain greedy) We'll see how long they take to get here.
would like an option for dock/ battery charger and 2 batteries from ebay but combo NA last time i checked
Does anyone know of a portable battery pack that charges at over 500mah? all of the battery packs Ive seen are around 500mah and that doesn't seem to be enough to even charge the G2X coming from my old charger.
Spoo76 said:
Does anyone know of a portable battery pack that charges at over 500mah? all of the battery packs Ive seen are around 500mah and that doesn't seem to be enough to even charge the G2X coming from my old charger.
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I am using a 5000mah capacity battery pack. It has a USB port with 500mA output and another USB port with 1000mA output. See post no. 8 on this thread.
http://forum.xda-developers.com/showpost.php?p=13703777&postcount=8
How many times do you charge 0->100% ur lg using this powerbank ?
How long it takes? You use the 1A output ?
felixthecat said:
would like an option for dock/ battery charger and 2 batteries from ebay but combo NA last time i checked
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http://www.alibaba.com/product-gs/446992318/LG_P990_Optimus_2x_USB_Cradle.html
but you need to buy 50, and i have no idea how trustworthy is the seller.
tamere22 said:
How many times do you charge 0->100% ur lg using this powerbank ?
How long it takes? You use the 1A output ?
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Only tested twice from over 70% to full on 0.5A. Took longer than using AC adapter. Tried it once on 1A but got a bit hot quite quickly, so I switched over to 0.5A. Also, it takes a while to charge the pack itself from partial empty to full on 1A AC adapter - so I am guessing the 5000mah claim is reasonably accurate.
I bought this item from DealExtreme.
2200mAh Rechargeable Portable Emergency Power with Phone Adapters
SKU: 23734
It works fine, but the input broke after some uses and I had to fix it.
Energizer works best for me... as LG P990 wouldn't last a day with WiFi and 3G active... i have XP2000 and it works great!, the free tip for life is a welcome bonus... I'd post the link but since am a newbie, i cant.
please google Energizer Energi to go or energizer XP2000
So I purchased this for my note off eBay. Paid about $40 shipped to my door. Impressed by the quality, it looks sturdy and would last a while.
I used battery current tester and only got 600max charge apposed to the 1200 my stock Samsung charger puts out.
This means 4-6 hours charge time instead of 2 and I must say when I use the phone on charge it actually sucks battery.
It's rated at 2amps which was my mistake but unsure if it makes much difference at 2.1amps.
" Input: DC5V---1000mA; Output 1: DC 5.3V?1000mA (Max); Output 2: DC 5.2V?2000mA (Max)
1A & 2A output at the same time, suit charge for mobile phone, Tablet PC, Digital Camera etc."
Does anyone know how I can get 1200? Or can suggest a power bank for the note 2 that can hold a good charge in say 2-3 hours?
Sent from my GT-N7105T using xda premium
I assume you are not on Verizon and using Galaxy Charger Current app to track your current?
OK, here is a scoop on external battery pack you got. Since you bought it from ebay, I can guarantee you that Yooboa is a fake HK version. eBay sellers buy it form Aliexpress retailers in bulk and re-sell it at double the profit. Take a look here: http://www.aliexpress.com/wholesale...00mah&catId=0&initiative_id=AS_20130429044248 - you can get it for $20 shipped free to US (but aliexpress retailers doesn't accept paypal).
There only a few authorized Yoobao resellers in the world, and Kevikev is probably one of the few (if not the only one) in US. Even at his discounted price, this real model cost $55: http://kevikev.com/Yoobao-Long-March-11200mah-Power-Bank-for-USB-Mobile-Device-YB-642.htm
The fake ones look very real but have fake guts. Beside 600mA current you measured (or maybe it's just a typical 500mA pc-usb current?), it most likely is not 11200 mAh but probably half of it, and you also have to take in consideration 30% de-rating on top of it since mAh capacity on external batteries is at 3.7V while it has to be converted to 5V usb output where you loose 25%-30% due to inefficiency.
I recommend Anker and NewTrent external power banks I have tested and reviewed (summary of my review links in my signature). Just keep in mind those mAh numbers in reality are always 30% lower for the actual capacity your phone sees. I also been informed NewTrent will be releasing 13000 mAh slim battery in a few weeks which I'm going to review as well. But either way, Anker and NewTrent are trusted brand names (with a ton of amazon positive reviews) and offer 1A and 2A outputs and also 1A input charging of the battery itself so you can quickly charger your battery pack and then quickly charger your phone as well.
I'm on an Australian Telstra phone.
Used the original cable for those figures which is embarrassing.
Looks like I'm tossing this junk, I'll just go buy one you mentioned.
Thanks heaps for your help
Sent from my GT-N7105T using xda premium
Brayden87 said:
I'm on an Australian Telstra phone.
Used the original cable for those figures which is embarrassing.
Looks like I'm tossing this junk, I'll just go buy one you mentioned.
Thanks heaps for your help
Sent from my GT-N7105T using xda premium
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You are welcome. If you are not in a rush and can wait till mid of May, the NewTrent upcoming PowerPak+ might be a good choice since you are after a higher capacity. I only have their preliminary spec but its going to be 13,500 mAh (@3.7V) with 1A input charging, and dual 1A and 2A outputs, and dimensions of 125mm x 68mm x 28mm @ 283g.
Also, as I mentioned in other threads, stay away from those ebay no name 20,000 mAh ext battery bricks...
vectron said:
You are welcome. If you are not in a rush and can wait till mid of May, the NewTrent upcoming PowerPak+ might be a good choice since you are after a higher capacity. I only have their preliminary spec but its going to be 13,500 mAh (@3.7V) with 1A input charging, and dual 1A and 2A outputs, and dimensions of 125mm x 68mm x 28mm @ 283g.
Also, as I mentioned in other threads, stay away from those ebay no name 20,000 mAh ext battery bricks...
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Believe it or not, i read your reviews and cross checked some prices online.
The NewTrent may be a better battery than the Anker, but its about 3 x the price to get them from US to AUS.
I ended up getting the new ANKER A4 13000mah
1. Because the 3E was the only other for sale
2. They're both USB input so it makes more sense just to go the higher mah rating
3. Its a new model
Paid $60 shipped to my door from ANKER off ebay.
I purchased it for travelling across Europe - i want the option to charge via AC + USB instead of just AC with the Anker 3. I only intend to use it with my Note anyway and bought it because Hostels won't always have free powerpoints.
My last question i was worried about and just bit the bullet with is: How long does it take to charge via AC (samsung stock) ? It says a crazy 8-10hours on the website via USB. I don't want to leave it alone fearing someone will steal it if its 10 hours.
Thanks again - how do i thank you in your other post? can't find the button.
Brayden87 said:
Believe it or not, i read your reviews and cross checked some prices online.
The NewTrent may be a better battery than the Anker, but its about 3 x the price to get them from US to AUS.
I ended up getting the new ANKER A4 13000mah
1. Because the 3E was the only other for sale
2. They're both USB input so it makes more sense just to go the higher mah rating
3. Its a new model
Paid $60 shipped to my door from ANKER off ebay.
I purchased it for travelling across Europe - i want the option to charge via AC + USB instead of just AC with the Anker 3. I only intend to use it with my Note anyway and bought it because Hostels won't always have free powerpoints.
My last question i was worried about and just bit the bullet with is: How long does it take to charge via AC (samsung stock) ? It says a crazy 8-10hours on the website via USB. I don't want to leave it alone fearing someone will steal it if its 10 hours.
Thanks again - how do i thank you in your other post? can't find the button.
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Uh, totally forgot m8, you are Down Under I know it has been mentioned before by others that shipping outside of US for some products could kill the price. Or sometimes you can't even get the product shipped out; there is a thread started by another member from Australia about getting Zerolemon 9300 mAh battery.
I was about ready to suggest another battery from Yoobao (genuine) rated at 15,600 mAh for $60 from Kevikev, but it probably going to cost you arm'n'leg to ship it out. Sounds like you got a great deal on that Anker battery and even after de-rating you should still get 3 full chargers of Note 2. Regarding charging time, just look at it this way, your rating is 13000 mA-hour. The input to this Anker E4 is 1500 mA, and that's how much current it will take every hour so 13000 / 1500 = 8.6 hours. I think it will be closer to 8 hours of charging. Your wall Samsung charger is 2A which means it can supply up to 2000 mA of current which is plenty for battery's 1500 mA input to charge it at full rate. But if you are using a wall charger rated at 1A or an old phone charger rated at 500mA-750mA - your input will be charging at a much slower rate because AC charger will not be able to supply full 1500 mA amount. Probably charging overnight is the best idea if you are worrying about someone taking it away. But these things are so small, and even with stock usb cable you don't have to be next to outlet. Probably put a newspaper over it or something when you are away? These don't get overheat even considering 30% of energy loss.
vectron said:
Uh, totally forgot m8, you are Down Under I know it has been mentioned before by others that shipping outside of US for some products could kill the price. Or sometimes you can't even get the product shipped out; there is a thread started by another member from Australia about getting Zerolemon 9300 mAh battery.
I was about ready to suggest another battery from Yoobao (genuine) rated at 15,600 mAh for $60 from Kevikev, but it probably going to cost you arm'n'leg to ship it out. Sounds like you got a great deal on that Anker battery and even after de-rating you should still get 3 full chargers of Note 2. Regarding charging time, just look at it this way, your rating is 13000 mA-hour. The input to this Anker E4 is 1500 mA, and that's how much current it will take every hour so 13000 / 1500 = 8.6 hours. I think it will be closer to 8 hours of charging. Your wall Samsung charger is 2A which means it can supply up to 2000 mA of current which is plenty for battery's 1500 mA input to charge it at full rate. But if you are using a wall charger rated at 1A or an old phone charger rated at 500mA-750mA - your input will be charging at a much slower rate because AC charger will not be able to supply full 1500 mA amount. Probably charging overnight is the best idea if you are worrying about someone taking it away. But these things are so small, and even with stock usb cable you don't have to be next to outlet. Probably put a newspaper over it or something when you are away? These don't get overheat even considering 30% of energy loss.
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I paid $49 + $9 shipping - a bargain in my book. All the other batteries are $50 to ship, which is about the price of the unit itself!
I think i will stay away from Yoobao from now on haha. 8.6 Hours is OK, it doesn't need to be fully charged at all times - just enough for a quick recharge in an emergency situation where i can't find a charger or provide another 3-4 hours battery while im kicking it on the train for 6 hours.
I couldn't get the Astro 3 anyway - even if i was looking for a 4-5 hour AC charge.
Looking forward to testing this badboy out!