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I turn my phone on Airplane mode and unplug at night while I'm sleeping.
BUT! When at work and at home at other times, is it bad to leave it plugged in 100% of the time? (I.E. does it decrease total battery life over a few years to be constantly charging.)
Or is it better to unplug ASAP when it hits 100% and let it drop to 20-30% and recharge-unplug-recharge-unplug etc? (If so, how much of a difference would this make?)
And does it matter USB vs AC source? I know USB is half the amps, so this could have an effect too?
Honestly, the battery is going to deteriorate a bit either way over a year time span. It is probably best if you just replace the battery every year.
Paul22000 said:
I turn my phone on Airplane mode and unplug at night while I'm sleeping.
BUT! When at work and at home at other times, is it bad to leave it plugged in 100% of the time? (I.E. does it decrease total battery life over a few years to be constantly charging.)
Or is it better to unplug ASAP when it hits 100% and let it drop to 20-30% and recharge-unplug-recharge-unplug etc? (If so, how much of a difference would this make?)
And does it matter USB vs AC source? I know USB is half the amps, so this could have an effect too?
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Doesn't matter. All you need to really be worried about is that you leave it on the charger long enough to get a true 100% charge, and you don't always put it on when at 80%, try and run it down from time to time to 10% type thing.
If you leave it on the charger 24/7 for a year, it will have no real effect on the battery that a year of use wouldn't do, and you might actually come out ahead since battery life times are based on charge cycles... when on charger, as you are asking about, there would be virtually no charge cycles.
pjcforpres said:
If you leave it on the charger 24/7 for a year, it will have no real effect on the battery that a year of use wouldn't do, and you might actually come out ahead since battery life times are based on charge cycles... when on charger, as you are asking about, there would be virtually no charge cycles.
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Ooooh, interesting... Did not know that. I thought that leaving it charging was the worst case possible.
But let's be honest.
How long do you think you'll keep the phone?
I've never had one more than a year...
Amdathlonuk said:
But let's be honest.
How long do you think you'll keep the phone?
I've never had one more than a year...
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Til the Nexus Two comes out bro
[Edit]: Well, my thinking is how BAD could this affect it. Like leaving it plugged in all the time = 50% battery capacity in 4 months type of thing. I guess that is not the case though eh?
Paul22000 said:
I turn my phone on Airplane mode and unplug at night while I'm sleeping.
BUT! When at work and at home at other times, is it bad to leave it plugged in 100% of the time? (I.E. does it decrease total battery life over a few years to be constantly charging.)
Or is it better to unplug ASAP when it hits 100% and let it drop to 20-30% and recharge-unplug-recharge-unplug etc? (If so, how much of a difference would this make?)
And does it matter USB vs AC source? I know USB is half the amps, so this could have an effect too?
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Click to collapse
To add to what pjcforpres said, I would suggest topping off the battery a couple times a day rather than always letting it run down to 20-30% (deep cycling) the battery. Deep cycling is worse for Li-ion batteries. It causes more heat for longer periods of time when you do charge. I would only discharge completely once every few months to keep the battery calibrated.
My personal habit is to top off frequently. If I'm at home, I'll let it charge to a true 100%, like pjc said, then take it off the charger and leave it off till it hits 75-80% and top it off again.
i can add to this discussion what i've learned about lithium-ion batterys
having it plugged in, while it is being taxed heavily (playing games) and already at 100% is a bad idea, then i discharges and recharges all over the time.
When it isn't full and you plug it in to top it off it shouldn't really do any harm, as long as you disconnect it when it's at 100%.
Emptying it completely also lowers overall capacity, 10% is a good threshold when to charge it.
When leaving it off to store it for a while, store it with around 70-75% in the battery. Storing it fully charged also lets capacity down.
creepinshadow said:
i
Emptying it completely also lowers overall capacity, 10% is a good threshold when to charge it.
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I thought you WANTED to do this? I've heard calibrating it is running it until it turns OFF?
Paul22000 said:
I thought you WANTED to do this? I've heard calibrating it is running it until it turns OFF?
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I respectfully disagree with creepinshadow's suggestions. I've read up on lithium ion batteries considerably in the last few years. 10% is not a good threshold to always charge your battery from... that's deep cycling and was great for nickel metal hydride, but isn't good for lithium ion. That said, there's no way for it not to get that low from time to time if you're away from your charger for extended periods and I'm sure it's not going to destroy your battery as fast as one might think.
As for storage, the I charge (or discharge) mine to 40-45% then pop it into the fridge for storage. Read that in a long article explaining how to treat li-ion batteries.
Like you said though, a full discharge for calibration is running it till it turns off then plugging it in while keeping it off until an hour or so after the light turns green.
I've heard many people say that leaving any device that has a battery plugged in won't harm it as long as you're consistant with the charge cycles. Like only plug in your phone when the battery life is >15% and charge it to 100% before unplugging it.
I get into trouble there, because (for instance) say I'm going to be going into the mall for a while and my battery is at 30% and it's going to take me 30 minutes to get the mall (I live in Northern Virginia, traffic is a *****, haha). I'll hook up my phone while I'm in the car just to have extra battery life while I'm away from a charger.
good question, i wanted to know the exact same thing so good to see someone else ask. got the answers i needed.
Look guys... the reality is that this discussion is really just academic. Take my recommendations, for example. It would be ideal if everyone could do what the study I read suggested, but it's not practicable to always top off the battery and not deep cycle the battery frequently. That being said, I'm sure the difference in battery life wouldn't be apparent for a very long time. I can't imagine phone and battery manufacturers haven't thought about this. So...while I've posted my "recommendations" based on that study... just enjoy your phones.
A new battery cost <$50 i'm sure... If you left your phone plugged in over night, every night for a year it probably won't hold a charge better than someone that unplugs in once it reaches 100%..
I personally would rather not deal with always worrying about over charging it and IF i still had the phone when the battery needs to be replaced, just replace it.
In the past 16 months i've had the Touch Pro, Palm Treo Pro, BB Bold & now the N1.. so i never have a phone long enough to even care lol.
I guess that's true. We can always replace the battery, unlike the Fruit people!
But I was just worried that the damage happened quickly. But I guess it's 9-12 months before seeing any real effects anyway.
scottypimpin636 said:
A new battery cost <$50 i'm sure... If you left your phone plugged in over night, every night for a year it probably won't hold a charge better than someone that unplugs in once it reaches 100%..
I personally would rather not deal with always worrying about over charging it and IF i still had the phone when the battery needs to be replaced, just replace it.
In the past 16 months i've had the Touch Pro, Palm Treo Pro, BB Bold & now the N1.. so i never have a phone long enough to even care lol.
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Actually, it's only $25 from Google.
uansari1 said:
Actually, it's only $25 from Google.
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Link?
I don't see an accessories page at www.google.com/phone
[Edit]: lol nevermind, you have to click "Get your phone" to get accessories haha
Paul22000 said:
Link?
I don't see an accessories page at www.google.com/phone
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Lol... click on the link you posted, click "Get Your Phone" and it's listed right below the Dock!
uansari1 said:
Lol... click on the link you posted, click "Get Your Phone" and it's listed right below the Dock!
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Yeah just saw that. Kind of silly to put it there since people looking for accessories already HAVE a phone. Silly Google
Oh, so by the way, this page brings up a good point:
http://www.google.com/support/android/bin/answer.py?hl=en&answer=175535
Charges at 480mA when installed in Nexus One phone connected to USB, at 980mA when installed in phone connected to charger
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Is there any difference in charging from USB vs AC adapter in terms of how it affects overall battery life?
The design of the Streak seems like it could fairly easily take a back with a solar charger built in. Has anyone seen something like that?
Sent from my Dell Streak using XDA App
I think you would have difficulty finding a solar panel small enough with enough power output to do any good, not to mention having to leave it out in the heat of the sun while it charged.
Good point.
Buts not about replacing the mains charger but adding a little charge while out and about. Prob get a few days extra with solar panel. Unless you forget to take it out of your pocket
I think its a great idea. Maybe a battery with built in cover/solar panel
Sent from my Dell Streak using Tapatalk
does sounds like a good idea you can already get solar phone chargers but one attached to the phone would be great!!
you'd probably be better off looking for one of those solar power batteries that could charge an internal battery, then use it to charge the streak once the charge is up
Solar chargers work under indoor lighting also. My watch never dies on me and I'm indoors all the time. As long as you left the unit face down, it would trickle charge and maybe get enough extra time to never worry about dying out before you get home to your charger.
mid_life_crisis said:
Solar chargers work under indoor lighting also. My watch never dies on me and I'm indoors all the time. As long as you left the unit face down, it would trickle charge and maybe get enough extra time to never worry about dying out before you get home to your charger.
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Problem is the Streak needs an awful lot more power than a watch. I see this panel on eBay http://www.ebay.com.au/itm/5V-150mA...895?pt=LH_DefaultDomain_0&hash=item4aacb1b777 which they say is 5v 150ma and it's 110mm x 56mm. This is roughly the size of the battery cover on the Streak, but you would need 7 times as much current to successfully charge it.
Troute said:
Problem is the Streak needs an awful lot more power than a watch. I see this panel on eBay http://www.ebay.com.au/itm/5V-150mA...895?pt=LH_DefaultDomain_0&hash=item4aacb1b777 which they say is 5v 150ma and it's 110mm x 56mm. This is roughly the size of the battery cover on the Streak, but you would need 7 times as much current to successfully charge it.
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What if you combined this with the battery idea? So it would charge a second smaller battery, and when your battery was running low you flipped a switch to charge the streak from that? It would start to get bulky but might work?
not a new idea or device... see:
http://www.powerbee.co.uk/Solar-Phone-Chargers/Powerpod-Solar-Phone-Charger/p-84-355/
http://www.amazon.com/Premium-Solar-Charger-Built-Windshield/dp/B00449U3K0/ref=pd_cp_e_0
http://www.ecoexpress.com/page-1440-ECO SHOPS-1101.htm
http://www.amazon.com/i-Sound-Portable-iPhone-Blackberry-Silver/dp/B00439G3WS/ref=pd_cp_e_2
etc...
I bought two extra charging cables. One for the car, one for work and the original stays at home by my computer. Charging problem solved with nothing to lug around. This thing is big enough without toting around accessories.
Troute said:
Problem is the Streak needs an awful lot more power than a watch. I see this panel on eBay http://www.ebay.com.au/itm/5V-150mA...895?pt=LH_DefaultDomain_0&hash=item4aacb1b777 which they say is 5v 150ma and it's 110mm x 56mm. This is roughly the size of the battery cover on the Streak, but you would need 7 times as much current to successfully charge it.
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No you wouldn't, it would charge with only 150ma, it would just take about 10 hours for full charge, in reality, something like this would only slow battery drain on a "super"-phone like this.
That's my point - not to charge from dead, but to top up and maybe get an extra hour or more before searching for an outlet.
Sent from my Dell Streak using XDA App
Aren't there serious problems with trying to trickle charge Lithium ION cells? As in, it kills them pretty quickly?
Isn't that why loads of modern kit has normal and fast charge modes, depending on what the available amperage on the cable is, and why some things, e.g. iPad, cannot charge at all from some USB ports?
As far as I know the only thing you don't want to do to a lithium battery is let it discharge fully, that shortens the battery life considerably.
Troute said:
As far as I know the only thing you don't want to do to a lithium battery is let it discharge fully, that shortens the battery life considerably.
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This didn't make sense to me, so I Googled. It is correct. I found this quote on a battery research site.
"Similar to a mechanical device that wears out faster with heavy use, so also does the depth of discharge (DoD) determine the cycle count. The smaller the depth of discharge, the longer the battery will last. If at all possible, avoid frequent full discharges and charge more often between uses. If full discharges cannot be avoided, try utilizing a larger battery. Partial discharge on Li-ion is fine; there is no memory and the battery does not need periodic full discharge cycles other than to calibrate the fuel gauge on a smart battery."
There was a chart that indicated that discharging only to 50% as opposed to until it dies can triple the battery life.
The moral is to have it on a charger whenever possible.
Well, according to http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
A continuous trickle charge would cause plating of metallic lithium, and this could compromise safety.
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It is referring to when they are fully charged, but you would definitely have to cope with that situation, since that's a recipe for exploding batteries, otherwise
mid_life_crisis said:
The moral is to have it on a charger whenever possible.
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After reading that article, this statement I made previously is clearly wrong.
What I gathered from the article is that for max lifespan of the battery, a couple of things should be done:
1) Do not completely discharge.
2) Turn the phone off while charging.
Of course with the Streak it would be impractical to do both of these, as it would mean turning your phone off for an hour or so in the middle of the day.
Oh yeah, and hope like hell that Dell did a good job designing the charger circuitry.
p_razzi said:
The design of the Streak seems like it could fairly easily take a back with a solar charger built in. Has anyone seen something like that?
Sent from my Dell Streak using XDA App
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http://batteryuniversity.com/learn/article/charging_with_solar_and_turbine
Its still a great idea, free energy, even if its only 10mins
Sent from my Dell Streak using Tapatalk
A seperate solar charger might be useful but there's another potential problem with a built in one, that is having to leave the phone lying in the sun for long periods of time, never a good idea.
My battery life is decent, but the charging time is the slowest I've ever seen on any device I've ever owned. I'm not even kidding. Surely it's just a defect on mine right?
Negative. My charge time was ridiculously slow. To the point that while I was charging in my car, if I was doing things along side it, my battery would actually go down. Plugged into wall, it is slow but charges though. Maybe its just US or a small number?
Waiting to get mine still. Did anyone else notice that on Sprint's website it said the One has a 19 hour battery life?
youkosnake said:
Negative. My charge time was ridiculously slow. To the point that while I was charging in my car, if I was doing things along side it, my battery would actually go down. Plugged into wall, it is slow but charges though. Maybe its just US or a small number?
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Well, I give this 3 days before I send it back. Literally the worst charge time I've ever seen.
Fadakar said:
Well, I give this 3 days before I send it back. Literally the worst charge time I've ever seen.
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It seemed a little better this afternoon, but I've basically had the device plugged in since this morning(10am)(got it at 55%, and albeit the majority of the time, it was plugged into the vehicle[which hasn't been very good anyways[[my GS3 also loses battery while on charge if doing anything concerning navigation or streaming]]]) and it literally hit 100% about 20 minutes ago. granted I've been using it like a pack mule. and I'm sure you have too.
youkosnake said:
It seemed a little better this afternoon, but I've basically had the device plugged in since this morning(10am)(got it at 55%, and albeit the majority of the time, it was plugged into the vehicle[which hasn't been very good anyways[[my GS3 also loses battery while on charge if doing anything concerning navigation or streaming]]]) and it literally hit 100% about 20 minutes ago. granted I've been using it like a pack mule. and I'm sure you have too.
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i heard they packed a li-polymer battery which makes the battery hold its charge longer for the life of the battery when compared to a li-ion battery.. and i dont think htc enabled fast charge like most devices...maybe someone will mod that for us...we need fast charge!!!!!!! still waiting on my ONE
youkosnake said:
It seemed a little better this afternoon, but I've basically had the device plugged in since this morning(10am)(got it at 55%, and albeit the majority of the time, it was plugged into the vehicle[which hasn't been very good anyways[[my GS3 also loses battery while on charge if doing anything concerning navigation or streaming]]]) and it literally hit 100% about 20 minutes ago. granted I've been using it like a pack mule. and I'm sure you have too.
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Actually I haven't used it at all. Got it at 2 PM, was at 60%. Dropped my mom off at the airport immediately after, came home and it was 50% at 3:20 PM (which is okay because LTE was on by default and it's super patchy here so I turned it off). Plugged it in and showered, 15 minute shower and I come out and it's 50% still (plugged directly into the wall). Went to work at 5, 55% when I got there. Plugged it in to the computer we have at the front desk and over the course of my 5 hour shift it eventually hit 95% before I had to leave at 10 PM. Un-****ing-acceptable.
yeah, I'd say mine is a little better than that. I left the screen off and didn't use it for like 2 hours and it went from 73% to 91.
I bought a 2.1 amp charger and it hoes from 0 to 100 in 4 hours
Sent from my HTCONE
I don't have my One yet so I can't confirm this personally, but I've read in a few different places that the charging rate is a little slow compared to other phones. My guess is that HTC is trying to maximize the lifespan of the battery since it's non-removable. Quicker charging would generate more heat and might cause it to wear it out faster.
Yes this is the case. Check anandtechs review.
Brian speculates just as you do that it is for longevity.
Sent from my HTCONE using xda premium
So how is the battery life for everyone? Hopefully it's good since it takes time to charge
Sent from my SPH-L710 using xda premium
First day I got 15 hours. That was the usual installing apps and watching YouTube videos and showing my phone off to everyone at work. Will probably be awesome once I don't have such heavy usage.
adrianr514 said:
I bought a 2.1 amp charger and it hoes from 0 to 100 in 4 hours
Sent from my HTCONE
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If I'm not mistaken, the phone has a smart battery or a circuit inside the battery that prevents it from drawing too much current. It is pretty much a standard among smartphones these days. Therefore, even though you use the 2 amp charger, you may not charge faster at all.
Sent from my GT-N8013 using Tapatalk 2
adrianr514 said:
I bought a 2.1 amp charger and it hoes from 0 to 100 in 4 hours
Sent from my HTCONE
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I have a 2.1amp charger and it took about 4hours to fully charge from 15%.
Sent from my HTCONE using xda premium
Horribly slow charge times on mine as well. I think the GS3s super fast charge ability spoiled me.
LPChris said:
Horribly slow charge times on mine as well. I think the GS3s super fast charge ability spoiled me.
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My Galaxy S3 definitely charges faster with a 2AMP charger than 500 mA charger.
Do not charge from a computers USB port, they are going to be slow as **** without fast charge.
Just use a 1+ amp charger. Pretty simple people.
Don't put excessive work load on the device while charging in the car either
youkosnake said:
Don't put excessive work load on the device while charging in the car either
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The way people are talking, it seems that simply having GPS and navi going are too much.
Sent from my Nexus S 4G using Tapatalk 2
Nbonne said:
The way people are talking, it seems that simply having GPS and navi going are too much.
Sent from my Nexus S 4G using Tapatalk 2
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I've found thats too much for most phones. It all depends on the charger(most car adapters are crappy), I'd assume. I've had the same with Evo, Optimus, GS2, and GS3. If anything is running alongside gps/navi, it destroys the battery
I have absolutely no proof of this. But I have to wonder. I have watched my battery life erode since I first got this phone 17 months ago. It just died at 39%. If deleting the bootloader logs indeed helps it must be done on regular basis. I bet all that heat isn't good for the battery, or the glass on the screen for that matter. I wonder why we don't see wireless charging featured in more phones?
zombolt said:
I have absolutely no proof of this. But I have to wonder. I have watched my battery life erode since I first got this phone 17 months.......
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My n6 is wirelessly charged daily for 26 months now. No issues yet.
NLBeev said:
My n6 is wirelessly charged daily for 26 months now. No issues yet.
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Yes, much the same with me. I would guess that it's just the battery's age and usage rather than the charging method.
dahawthorne said:
Yes, much the same with me. I would guess that it's just the battery's age and usage rather than the charging method.
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Every day charging with a high voltage (9-12 V of a quick charger) is not good for a battery that's made for supplying 5V.
I know that the modern devices have a protection/managing circuit.
Because there are many issues with smartphone batteries, I prefer slow charging.
And wireless charging is slow.
Have changed my battery twice in the over 2 years of ownership. Both because of battery blout. I don't wirelessly charge, but i do constantly use the fast charger and have rarely let the battery run down before charging. At £15 a pop for a battery and 15 minutes to change its some thing I'll live live with.
Sent from my Nexus 6 using Tapatalk
To power up, you consume Red Bull. But your phone just needs its adaptive fast charger. Rate this thread to express how quickly the Google Pixel 2 can charge. A higher rating indicates that it charges extremely fast.
Then, drop a comment if you have anything to add!
I am horrifically disappointed in this device's charging speed.
I was very pleasantly surprised by how fast this phone charges, untill the past few days. Now all the sudden it seems very average. "Charging Rapidly" is not anywhere near as impressive now as it was. Has anyone else experienced this? I want to figure out if it's just the phone (I have seen other slow charging complaints but not this specifically), or if I caused it.
I installed that stock kernel with security pass patch, twrp beta1, Magisk 14.4.2, and Viper4Arise. Pretty confident that it's not any of those things, but everything else is pretty standard.
This is the case with the charger that came with the P2 in box, the older N5x charger, and the usb-c car charger. I know the new P2 one is stronger, but the change is noticable all around.
My 'Charging Rapidly' also does not seem to be all that rapid, using the charger that came in the box and can take quite a while to get to 100%.
Wartickler said:
I am horrifically disappointed in this device's charging speed.
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what is your best result? I saw some videos comparisons and pixel was the latest one(
josephtaygano said:
what is your best result?
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It takes hours to get to 100%. I recently got hold of a USB-A to USB-C cable and plugged the phone into my Nexus 6 brick. The difference was astounding. Full charge in about 1.5 hours. It's sickening that I spent the money on this phone only to have it be so disappointing. I'm a diehard Google fanboi but this is ridiculous.
Definitely miss my 1+5 dash charge. Damn that thing was fast.
Some numbers, today I connected my phone at 19% with stock charger.
- 30 min charge: 19% to 56%
- 40 min charge: 19% to 67%
I don't think that's bad, it's definitely not FAST, nor regular. But considering all the issues the 6P had with batteries, I don't really want to charge my battery in less than one hour. (Specially now that the phone has at least 3 years of updates, I'd like to have 90% of battery life or more in 3 years)
I'll have to do another test, something like from 35% to 80% (this would be more real life, I only need a 2nd charge when I'm traveling in a city with a power bank, using Maps and Camera all the time).
Ultra fast charging and wireless charging are some of the features that I care less in the phone. I want some fast charging between 30% and 90%, but I don't require it to be extremely fast.
TL : DR: If you value an ultra fast charging over other things in a phone, definitely skip the Pixel 2.
p2's charging current is capped at 2700ma (could be up to around 3200ma by kernel hax), meanwhile high battery temperature (over 45 Celsius degrees) and others things such as screen state will cap the current more (half or more)
Without those restricts, fully charge time should be around a hour.
cesarblackwind said:
yeah, around 2 hours 40 mins. really long(
oneplus 5 phone is doing from 0 to 100 for 1 hour 18 mins)
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wow, almost 3 hours. it's really long