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Does leaving plugged in harm battery?

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?
Click to expand...
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?

[Q] things to be done on battery after getting new htc one

I am new in HTC phones. I will get my htc one after 2 days, i mainly want to know about battery charging cycles. how can we do that to get maximum battery life. what is mean by battery calibration ? is the battery to be calibrated in every weak ? sorry for my bad english

Once at month, you have to discarghe the phone at 0%, put it in charge and switch on it when the led is green.
The battery life, during the day, depens of you and your use of phone

Just use it. Charge it when you need to, charge it when you can, top up charge is fine. Calibration is a myth. You don't need to do anything or not do anything abnormal.
Letting it run out and leaving it empty is a bad idea. Charging it, turning it off, charging it, and whatever other voodoo is recommended is a bad idea.

Lol at two contradicting responses.
Sent from my Desire HD using Tapatalk 2

asif9t9 said:
Lol at two contradicting responses.
Sent from my Desire HD using Tapatalk 2
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Personally my thinks about battery is the same of users after my post.
But i wrote this because a lot of people say to do this...
Sent from ONE with Tapa4 Beta

Guich said:
Once at month, you have to discarghe the phone at 0%, put it in charge and switch on it when the led is green.
The battery life, during the day, depens of you and your use of phone
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Click to collapse
is their any special charging methods to be done after getting my new One ??

One charge for a day is enough for htc one if you don't play games

If you really want the most optimum battery life out of your phone then don't let it drain below 30% nor let it reach more than 90%. You'll likely get the most charge cycles and prolonged battery life with that. This suggestion sounds sarcastic but this is scientifically factual.

Riyal said:
If you really want the most optimum battery life out of your phone then don't let it drain below 30% nor let it reach more than 90%. You'll likely get the most charge cycles and prolonged battery life with that. This suggestion sounds sarcastic but this is scientifically factual.
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How many HTC one batteries did you test? Using what methodology?
The only scientific fact is that you just made up those numbers, you have no idea what charge and discharge limits have already been placed on the raw cells by the battery circuitry.
---------- Post added at 03:25 AM ---------- Previous post was at 03:22 AM ----------
Guich said:
Personally my thinks about battery is the same of users after my post.
But i wrote this because a lot of people say to do this...
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Quick lesson for life; feel free to engage your own brain. Stuff doesn't become true just because lots of people repeat it.

BenPope said:
Quick lesson for life; feel free to engage your own brain. Stuff doesn't become true just because lots of people repeat it.
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I don't use this method.
But my friend have a very good battery life with it.
So, why don't share?
I don't use it because i can't do this, it's simple

HTC One Battery Conditioning
sarathsnair said:
is their any special charging methods to be done after getting my new One ??
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G'day mate. When I had my HTC Desire, there was a process of conditioning that was advisable which pushed my battery life from 3/4 of a day to a full day. Having just received my HTC One last Friday (and what a magnificent phone it is too but that is a story for another day), I can honestly say that no conditioning is required (after-all, it does have a 2300mAH battery). I would suggest that you make sure that the first time you charge the phone, you leave it on charge for a minimum of 8hrs (as recommended by HTC). I left it on charge all day and I believe it does make a difference. As for making it last long, may I suggest you invest in an App called Juice Defender Ultimate (not very expensive but extremely useful) ? I am using this app and I have improved the battery life of my One from a single day to approx. 2.5 days. But I am an average user (emails, some internet, some music and blinkfeed). I don't watch movies on my phone so I am not too sure how that will affect battery life but I believe it will have some effect.
I hope this helps you with the answers you seek.

It's based on scientific facts.
When your battery has high load(Almost fully charged) more ions inside the battery are stored there hence doing alot of chemical changes in the battery. And chemical change is the only reason why our batteries here are losing it's capacity.
And the reason why I set 30% as the minimum is because you don't want your battery to be drained too much as there's likely chances that you'll completely drain it causing it to be broken also.
And why limit the examples on HTC One batteries? Is this a serious question or just a joke? We all know that HTC One was just released months ago and another obvious fact is it has a non removable battery. So obviously the answer would be none.
And about real life proofs about my usage and how it affects battery life do you want me to show you a nokia 3310 model still up and running for almost a 8 years now? Also want me to show you my nokia n900 which is already about 4 years now and still kicking it's battery perfectly up to now? I could have also showed you my n95 up and running till now if only it didn't break it's flex cable.
There's no such thing as integrated ticking time bomb on your battery(like rumors in the 20th century where they say electronic ICs have a hard coded date where they will totally shut off) where it would just instantly die once it reach it's recharge limit. What manufacturer in their right mind would do that? Smartphone business isn't a monopoly and every competitor would want the best of them all on their products. Also if this myth would have been true most people's device wouldn't even last a year due to plugging your phone on a computer would initiate a charge also. So would that mean that if I plug my phone on my PC 5x a day and charge it once a day it would only last roughly 6months? lol!
Also here's a good website that would backup my claim.
http://batteryuniversity.com/learn/article/do_and_dont_battery_table
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
Partial and random charge is fine; does not need full charge; lower voltage limit preferred; keep battery cool.
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Prevent full cycles, apply some charge after a full discharge to keep the protection circuit alive.
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Keep cool, battery lasts longest when operating in mid state-of-charge of 20–80%. Prevent ultra-fast charging and high loads.
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BenPope said:
How many HTC one batteries did you test? Using what methodology?
The only scientific fact is that you just made up those numbers, you have no idea what charge and discharge limits have already been placed on the raw cells by the battery circuitry.
---------- Post added at 03:25 AM ---------- Previous post was at 03:22 AM ----------
Quick lesson for life; feel free to engage your own brain. Stuff doesn't become true just because lots of people repeat it.
Click to expand...
Click to collapse

Did you read those websites? Because their numbers and yours don't agree. So either you made up the numbers or you obtained your scientific facts from elsewhere.

As much as I know....just dont overcharge and frequent charging. Overcharge meaning leaving your phone charged for long hours after it has reached 100%. Frequent charging meaning leaving your home with 100%, reach office at 85% and charge. Going for lunch with 92% and came back with 87% and you charge again. Get the picture? I'm no genius on batteries and dont bother looking up and reading on them. Just based on experience, over many phones. And yes, the first charge is very important.

I thinks the powersave is the best route when not playing any games. If you play games then you can call it quits!
Sent from my HTC One using Tapatalk 4 Beta

OzBoy08 said:
G'day mate. When I had my HTC Desire, there was a process of conditioning that was advisable which pushed my battery life from 3/4 of a day to a full day. Having just received my HTC One last Friday (and what a magnificent phone it is too but that is a story for another day), I can honestly say that no conditioning is required (after-all, it does have a 2300mAH battery). I would suggest that you make sure that the first time you charge the phone, you leave it on charge for a minimum of 8hrs (as recommended by HTC). I left it on charge all day and I believe it does make a difference. As for making it last long, may I suggest you invest in an App called Juice Defender Ultimate (not very expensive but extremely useful) ? I am using this app and I have improved the battery life of my One from a single day to approx. 2.5 days. But I am an average user (emails, some internet, some music and blinkfeed). I don't watch movies on my phone so I am not too sure how that will affect battery life but I believe it will have some effect.
I hope this helps you with the answers you seek.
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Click to collapse
milkw33d said:
As much as I know....just dont overcharge and frequent charging. Overcharge meaning leaving your phone charged for long hours after it has reached 100%. Frequent charging meaning leaving your home with 100%, reach office at 85% and charge. Going for lunch with 92% and came back with 87% and you charge again. Get the picture? I'm no genius on batteries and dont bother looking up and reading on them. Just based on experience, over many phones. And yes, the first charge is very important.
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thank u so much

milkw33d said:
As much as I know....just dont overcharge and frequent charging. Overcharge meaning leaving your phone charged for long hours after it has reached 100%. Frequent charging meaning leaving your home with 100%, reach office at 85% and charge. Going for lunch with 92% and came back with 87% and you charge again. Get the picture? I'm no genius on batteries and dont bother looking up and reading on them. Just based on experience, over many phones. And yes, the first charge is very important.
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Given that the phone comes with charge in it, how much can you do to affect the first charge?

BenPope said:
Given that the phone comes with charge in it, how much can you do to affect the first charge?
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As much as I know, dont drain the battery too much the first time you take it out the box. All batteries comes with a little charge in it. Had a friend who used to work at a mobile company and I cant remember the term he used to describe that. But the first charge doesnt have to be exactly 8hrs. Phone might be fully charged after 4-6hrs if you hadnt used it much from the box. Just dont unplug it before it reaches 100% on the first charge. Let it get to full and leave it for another 10-15mins and its good to go.

Guich said:
Once at month, you have to discarghe the phone at 0%, put it in charge and switch on it when the led is green.
The battery life, during the day, depens of you and your use of phone
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I let a cell phone battery get down to zero once. It never worked again.
I did the same with my house cleaning robot. I had to replace the battery after that.....I'm just saying.

anotherfakeusername said:
I let a cell phone battery get down to zero once. It never worked again.
I did the same with my house cleaning robot. I had to replace the battery after that.....I'm just saying.
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Some devices have this problem.
Mine not.
Sent from One with Tapa4 Beta

Battery mods have terrible battery life?

I've been using both the incipio offgrid, and tumi powerpack battery mods (both are wireless charging variants) and have noticed just awful battery life. from 100% it charges my phone up maybe 15-20 percent, and thats with the screen off, just streaming music. If I'm using the phone (just surfing the web or instagram) the battery dies in around 30-45 minutes, is this normal? I expected alot more out of these. I can just stare at the notification bar and watch as the battery drops, my software is up to date, and I was just wondering if this is normal? Is everyone else getting this awful performance? I expected way more for like 70-80 bucks each...

Sky's Divide said:
I've been using both the incipio offgrid, and tumi powerpack battery mods (both are wireless charging variants) and have noticed just awful battery life. from 100% it charges my phone up maybe 15-20 percent, and thats with the screen off, just streaming music. If I'm using the phone (just surfing the web or instagram) the battery dies in around 30-45 minutes, is this normal? I expected alot more out of these. I can just stare at the notification bar and watch as the battery drops, my software is up to date, and I was just wondering if this is normal? Is everyone else getting this awful performance? I expected way more for like 70-80 bucks each...
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This is not normal. While I don't have either of these, based on the reading I've done and reports I've seen from people who do, the Incipio off grid should be able to charge your phone up 50-75% when attached. Not sure if you have some crazy wakelock that's keeping your CPU maxed out all the time or what, but dying in 30-40 minutes makes no sense.

xxBrun0xx said:
This is not normal. While I don't have either of these, based on the reading I've done and reports I've seen from people who do, the Incipio off grid should be able to charge your phone up 50-75% when attached. Not sure if you have some crazy wakelock that's keeping your CPU maxed out all the time or what, but dying in 30-40 minutes makes no sense.
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When I got it to die In 30-40 min I was on a phone call and surfing instagram. Took the tumi out yesterday with 80% battery in it and had my phones screen off streaming music over Bluetooth. The phone charged up about 25% before the battery pack died. Any ideas on how I could improve the battery life? My moto mods manager is up to date and I don't get any prompts to update anything whenever I snap on the mods

I was surprised when I found this post, so I checked how many percent of battery do I get with a my incipio battery mod. I plugged the mod, my phone's battery was at 15% and the battery mod was at 100%.
Now the Incipio battery mod is empty and my phone's battery is at 50%. So it charged my phone by 35%.
Pretty disappointing for a 2220 mAh battery that costs almost 100€ ...

To me the best use of the mod is to snap it on when the Moto Z Play is fully charged and to chose the option to keep the phone battery at 80%. With normal use, i've seen the mod keep the phone at 80% for up to a day. To me the mod is not meant to charge the phone but more to keep it from discharging.

To me the idea of the battery mod makes no sense.
There is an Aukey 16000 mAh power pack with QuickCharge 3.0 available which boosts the battery in nearly no time. I paid less than 20 Euro.
Who needs such a battery mod with a Moto Z Play which lasts all day under heavy usage?
Who needs such a battery mod when power packs are big, cheap and fast?
Who even needs the power pack if you have a wall outlet with a QuickCharge 3.0 charger boosting the battery percentage in no time? I needed that power pack when the previous phone (Moto X Play) had some hardware defect making it lose power.
Edit: These questions are meant honestly. Are you living in the desert for several days and can't afford to carry a bag?

tag68 said:
To me the idea of the battery mod makes no sense.
There is an Aukey 16000 mAh power pack with QuickCharge 3.0 available which boosts the battery in nearly no time. I paid less than 20 Euro.
Who needs such a battery mod with a Moto Z Play which lasts all day under heavy usage?
Who needs such a battery mod when power packs are big, cheap and fast?
Who even needs the power pack if you have a wall outlet with a QuickCharge 3.0 charger boosting the battery percentage in no time? I needed that power pack when the previous phone (Moto X Play) had some hardware defect making it lose power.
Edit: These questions are meant honestly. Are you living in the desert for several days and can't afford to carry a bag?
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The battery mods are not particularly useful for the Z Play because if you charge every night, you have basically unlimited battery life. Battery packs are extremely useful for the regular Z, though, which has extremely poor battery life on its own. They're basically mandatory for the Z.

I'm shocked that battery mods can only charge your internal battery and can't be used directly (discharging the mod battery instead of the internal battery), the same way Thinkpads that have more than one battery can do. That makes the $80 (vs maybe $10 for a 2000 mah ravpower) cost all the more eyebrow-raising.
I'd love to use them as a way of preserving the sealed in internal battery's longevity, making the internal battery the backup battery and wearing out the easily replaceable, easily swappable mods instead.

fortunz said:
I'd love to use them as a way of preserving the sealed in internal battery's longevity,
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What do you think how a battery should be treated to prolong its lifetime?
This is a serious question. I'm not sure if charging cycles do matter these days. The point which makes batteries getting weak is the age. An additional battery will not help reduce the age.
Of course you should be careful not to be in extreme cold or heat. If the battery is below 30 percent, you should consider to charge it. You should not charge it again if it's over 80 percent. But trying not to use it seems not to really be helpful for the battery to have a longer life, although battery lifetime usually is given in battery cycles. At least this is my experience. If it does not get hot when used or charged, all batteries nowadays start getting weaker a bit after about 2 years, it gets really recognizable after 4 years, and when they are 6-8 years old, they get so low that they may not fulfill there purpose anymore. Cycles? Never recognized any influence for the lifetime. But one hot day with a usage above average where the battery gets hot may really cause a recognizable decrease in capacity.
If you have some source comparing battery lifetime for different use cases (storage, low usage, middle usage, frequent usage, under different conditions of temperature, fast charge and slow charge) I'd be really interested.

tag68 said:
What do you think how a battery should be treated to prolong its lifetime?
This is a serious question. I'm not sure if charging cycles do matter these days. The point which makes batteries getting weak is the age. An additional battery will not help reduce the age.
Of course you should be careful not to be in extreme cold or heat. If the battery is below 30 percent, you should consider to charge it. You should not charge it again if it's over 80 percent. But trying not to use it seems not to really be helpful for the battery to have a longer life, although battery lifetime usually is given in battery cycles. At least this is my experience. If it does not get hot when used or charged, all batteries nowadays start getting weaker a bit after about 2 years, it gets really recognizable after 4 years, and when they are 6-8 years old, they get so low that they may not fulfill there purpose anymore. Cycles? Never recognized any influence for the lifetime. But one hot day with a usage above average where the battery gets hot may really cause a recognizable decrease in capacity.
If you have some source comparing battery lifetime for different use cases (storage, low usage, middle usage, frequent usage, under different conditions of temperature, fast charge and slow charge) I'd be really interested.
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Same sources as you, personal experience and basic knowledge (battery life being measured in cycles). I'm not even completely worried about average aging, but out of a batch of millions of batteries, plenty will start to experience rapid discharge early, even without abnormal heat, not to the point of being completely dead, but certainly no longer tolerable. Today's phone batteries might actually tolerate heat better than in the past, having been built for quick charging, which is the hottest a sd625 seems to get.
I've read manuals and battery university and a few tech blog articles all of which have differing advice, just like you and me, but I have yet to find a source I find credible (based on diverse large scale testing not limited anecdotal evidence or in the case of manuals, insanely outdated nicad-era stuff). And, sincerely no offense intended, I'm unlikely to decide cycles don't matter and weight your anecdotal evidence over mine anymore than you'd weight mine over yours. But if you ever find a good source with those comparisons, I'd be pleased to check it out too.

tag68 said:
Who needs such a battery mod with a Moto Z Play which lasts all day under heavy usage?
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Because I'm a very heavy user of my phone and don't want to worry about power even if I can't get to a outlet during the day.
Who needs such a battery mod when power packs are big, cheap and fast?
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Because the bat mod is easy to slap on and keep on all the time (when I'm not using a different mod). Then I never have to worry about taking the pack with me or not or carrying the extra cable with me or not.
Who even needs the power pack if you have a wall outlet with a QuickCharge 3.0 charger boosting the battery percentage in no time?
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Because I don't want to have to worry about having the charger with me or finding a spot to charge.
I fully admit that I tend to be more paranoid about running out of power than I need to be, but I like to be secure knowing that I should have more than enough battery life, even if I can't charge overnight. I like to know that I can grab my phone at any point of the day and walk out the door with it without having to worry about taking a charger with me.

RedRamage said:
I fully admit that I tend to be more paranoid about running out of power than I need to be, but I like to be secure knowing that I should have more than enough battery life, even if I can't charge overnight. I like to know that I can grab my phone at any point of the day and walk out the door with it without having to worry about taking a charger with me.
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I quite like just not having to charge for three days. I have the battery mod which I use on the efficiency mode, and I got over a full day out of it. At the end of day three I had nearly 30% battery left. Probably enough for most of one more day.
The other thing for me is using wireless charging. I like just slapping my phone on a stand overnight when I do charge it. It charges slowly, yes, but it doesn't matter if I am charging overnight. I still have access to the quick charger if I need to get a full battery quick!

I use mine on my motorcycle where I'm riding for 10 hours a day. I'm at about 50% in 4 hours and dead by 7 or 8, so I'm hoping with the additional battery MOD that I can get at least 12 hours charge. I'm really bad about remembering to plug my phone in when I stop for a break!

@tag68 : dude I think you totally missed to read what @fortunz was saying, he was only pointing that he would like the Mods to be used as a primary source battery instead of being a "ultra-portable power bank".
Given that there is also a fraction of the power being lost in the form of heat, during charge/transfer, it is even more silly from Motorola not to have the battery used directly. I can say by the 25-35% charge from the Mods estimated from other users, that the efficiency is somewhere around 50%, HORRIBLE to say the least.
And yeah I was reading through both of your posts and good information was provided, although unnecessary friction used (not naming anyone).
I actually have kind of the same idea from @fortunz to prolong the battery life of my Z-play even with the mod just being a power bank.
Saying that the mods (~2220mah) charge your phone anywhere between 25-35%, I can actually take the top 25-35% out of my internal battery use and move it to the Mod.
So I can charge my phone up to 70% before going to bed, and then when my phone reaches 30% during the use next day, I'll just slap the mod.
I can allow myself a lot of variation to this, I will not be religious about it, the topic is to avoid hitting 100% charge, and instead, moving the wear of that 30% usage to the Mod.
According, to many articles, citing just one below, considering the depth of discharges and voltage levels, you guys might do the equation if you like, but according to the charts and theory:
charging my phone twice a day trying not to exceed 70%, will give me WAY more longevity run than charging up to 100% every day.
First charge will be from around 15% which is my normal deadline to around 70% with a wall charger, before going to bed.
Second charge will be from the mod from around 30% to around 60% (hopefully), which will give me portability while charging.
Total screen on time during the day, should be around 10% less, but well worth and I can definitely take the hit if getting more battery longevity as a trade.
Source:
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
Huh, it even makes sense when explaining to other people...

In re: friction, I took no offense from the exchange. Hopefully I didn't cause any either.
Good luck with your efforts. I have considered using this app to to stop charging early: https://forum.xda-developers.com/android/apps-games/root-battery-charge-limit-t3557002 Haven't started using it yet.

fortunz said:
In re: friction, I took no offense from the exchange. Hopefully I didn't cause any either.
Good luck with your efforts. I have considered using this app to to stop charging early: https://forum.xda-developers.com/android/apps-games/root-battery-charge-limit-t3557002 Haven't started using it yet.
Click to expand...
Click to collapse
Sadly that application requires root... and I don't want to unlock the bootloader and then having to worry about SafetyNet...

For me SafetyNet is green using Magisk 12.0 as root solution, but that may change of course. But it would help for the battery.
Short rant about this topic: It is strange that the owner of a device can be forbidden to restrict the charging. You bought it, you should be able to do these things with it. Introducing SafetyNet is a bad idea by Google. Security should be made by algorithms, not by hardware. Using public key anyone may modify anything, and you can still assure the content to be trustworthy. There no need to prove the Android not to be modified, it is just a bad idea, unnecessary restricting the user. Owner.

tag68 said:
For me SafetyNet is green using Magisk 12.0 as root solution, but that may change of course. But it would help for the battery.
Short rant about this topic: It is strange that the owner of a device can be forbidden to restrict the charging. You bought it, you should be able to do these things with it. Introducing SafetyNet is a bad idea by Google. Security should be made by algorithms, not by hardware. Using public key anyone may modify anything, and you can still assure the content to be trustworthy. There no need to prove the Android not to be modified, it is just a bad idea, unnecessary restricting the user. Owner.
Click to expand...
Click to collapse
Well said
Thanks for the tip! I'll have it mind!
At the moment I don't feel like unlocking the bootloader because I'm planning to use the moto Mods and these can't be used with custom ROMs yet, and I have no use for root other than changing the work mode on Greenify but it already works well enough in No-Root mode, so for me there is no true benefit.

A good resource for lithium batteries are rc helicopter forums. Helis use speed controllers of many tens of amps, drain the batteries in minutes versus days to low levels and charge them at high speed. What reduces their life is heat, overcharging the voltage or over discharging the voltage. They do not age if left in a partial charge. You can let them sit for years unused and they will lose very little capacity. If you only run them at 70%cycle, they last about 3000 cycles.

Well, that was weird.
Phone at 9%, mophie mod at 100%. Put it on, barely used the phone (even took a nap). About an hour later, the mophie mod is at 50%, but the phone actually went down to 8%. Took off the mod and the phone went immediately to 4%. Ouch.
Mod normally works fine. It'll keep the phone at 80% for most of the day just fine. Not sure what was going on.

Battery Degradation

So I got my phone when it came out. Wrap charged at home and slow charged(2.1amp) in car. A year plus later accubattery says I've degraded 12% about, about same when I had my Samsung Galaxy s8 plus

Just wait for at least 20-30k mAh total charge at first I started with different values, now, after +80k, i got this.
I think we can keep it until something like 80%, I mean, it is like if you could charge your phone to only the % accubattery shows, if you get for example, 90%, you can only use a real 90% of your full charge, I get 35m sot with 10%, so I lost aprox 40-45m sot due to degradation.
Don't worry, Android 11 could get better battery life.

So your about same, I had about 88,000 % but I just installed RR rom. I also noticed after 90% it takes a lot longer to charge, I know after 90 it's not the full wrap charge speed but it takes like 20 mins or so to get 100

Funny....I just installed AccuBattery a few days ago to measure the same thing. I got my phone in March 2009, and attached are my stats.

March 2009? What phone is this? The very first HTC Google phone? If so, are you willing to sell this phone? 11 years and only 12% degradation...that's phenomenal.
On a different note, I really don't thing the battery design capacity is true to it's word. I recently changed my battery to a new one and it was starting at 96%. It's all a farce

amirage said:
March 2009? What phone is this? The very first HTC Google phone? If so, are you willing to sell this phone? 11 years and only 12% degradation...that's phenomenal.
On a different note, I really don't thing the battery design capacity is true to it's word. I recently changed my battery to a new one and it was starting at 96%. It's all a farce
Click to expand...
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You know....I was trying for a snappy comeback for my typo, but I realized that I messed up the year AND the month. I got the phone in September 2019. Please don't ask about March. Not sure what I was thinking there.

AarSyl said:
You know....I was trying for a snappy comeback for my typo, but I realized that I messed up the year AND the month. I got the phone in September 2019. Please don't ask about March. Not sure what I was thinking there.
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Click to collapse
Hahahah..no worries comrade! All good and dandy...hope the COVID situation there is getting better! Stay safe.

amirage said:
March 2009? What phone is this? The very first HTC Google phone? If so, are you willing to sell this phone? 11 years and only 12% degradation...that's phenomenal.
On a different note, I really don't thing the battery design capacity is true to it's word. I recently changed my battery to a new one and it was starting at 96%. It's all a farce
Click to expand...
Click to collapse
I believe it is possible that OnePlus pre-caps charging to 80% or so of the battery's full, true capacity to prevent fast degredation, then uses software to calculate percentage with 100% being 80%. If this were the case, it would explain people using AccuBattery seeing degredation almost consistently at like 10-15% - because the phone simply won't charge that far, so the mAH additions from charging just don't add up to 4000mAH.
To add, this isn't a bad thing at all. This isn't false advertising or anything, as this would be a feature done to prevent batteries from degrading at rapid speeds.
I don't have any proof this is the case, though. Just makes sense to me. I do recommend only using the warp charger to top off during the day, and charging with a regular usb-c charger otherwise, as the warp charging speed is actually bad for the battery life in the long run.
It is fact, though, that charging from 80 to 100% requires significantly more voltage (iirc) than the previous percentages. Think of it like trying to fill a jar to it's limits - as you put more in, you have to shove things in harder and harder , until its mostly full, where putting any more in is getting difficult as there's hardly any room left. This is obviously terrible for not only the battery but also the charging port and the like.

Well after a year you can't expect it to be like brand new. Worrying to much over little things that don't matter to actual life..,.

Ruvaldak said:
I believe it is possible that OnePlus pre-caps charging to 80% or so of the battery's full, true capacity to prevent fast degredation, then uses software to calculate percentage with 100% being 80%. If this were the case, it would explain people using AccuBattery seeing degredation almost consistently at like 10-15% - because the phone simply won't charge that far, so the mAH additions from charging just don't add up to 4000mAH.
To add, this isn't a bad thing at all. This isn't false advertising or anything, as this would be a feature done to prevent batteries from degrading at rapid speeds.
I don't have any proof this is the case, though. Just makes sense to me. I do recommend only using the warp charger to top off during the day, and charging with a regular usb-c charger otherwise, as the warp charging speed is actually bad for the battery life in the long run.
It is fact, though, that charging from 80 to 100% requires significantly more voltage (iirc) than the previous percentages. Think of it like trying to fill a jar to it's limits - as you put more in, you have to shove things in harder and harder , until its mostly full, where putting any more in is getting difficult as there's hardly any room left. This is obviously terrible for not only the battery but also the charging port and the like.
Click to expand...
Click to collapse
All your points are very valid although my contention is not that. It's that a brand new battery (so brand new that it was installed at the service centre) had a life of 96%. This was shown in the oneplus diagnostic app; so where really is the 4000 mAh when a brand new itself starts at 96%

I suspect accubattery is not so accurate. Sure he can do some math to guess the actual capacity but who knows how close it is to the real thing.
One thing here: the battery is considered discharged at around 3.3 volts. This is just to protect the battery, but also it's around 5-7% capacity I'd say. Full discharge for li-ion is around 2.8-3.0 volts, but it's bad to discharge it that much.
So in conclusion, even though your battery has 4000mah, you never get to use it at it's maximum rating because that would damage the battery and render it useless in far less charge cycles than normal.

I would say a better measure is the OnePlus diagnostic app... It lists the degree of degradation under its output

Well I did accubattery when I first got phone, and it showed 3900. Ubreakifix tear down then confirmed that was the actual capicity because in the USA you are allowed to round just like diet should have no sugar but there is zero. What really makes you notice the Degradation is when fast charging takes longer to 100

djhulk2 said:
Well I did accubattery when I first got phone, and it showed 3900. Ubreakifix tear down then confirmed that was the actual capicity because in the USA you are allowed to round just like diet should have no sugar but there is zero. What really makes you notice the Degradation is when fast charging takes longer to 100
Click to expand...
Click to collapse
So the opposite of what you said is true. A battery with a larger capacity or less degradation takes longer to charge to 100% because the kernel and software slows down the charge for the last 10-15%. The less capacity you have the less time it takes to hit "100".

I know the charge slows down after 80%, the closer to 100 the slower. When phone was new it took like 10 to 15 mins later to go from 90 to 100. Now it's taking 15 mins to go from 92 to 95. Having note 5 previously the next Degradation step is when over all charging takes even longer and the battery life is shorter

I don't even worry about battery degradation. I put a wireless receiver on my OnePlus and have wireless charging everywhere. My phone is always around 80 to 100 percent.

I'm a heavy phone user and using accubattery on this phone for a long time now. Got my phone in June 2019 and based on 636 sessions, it shows battery health at 90%. Probably because
1. I haven't charged my phone more than 80% for about 70% of sessions.
2. Because of the large data AB has, it has more accurate estimate.
3. I read that the health section itself is not accurate.

Here's mine (got it second hand in March 2020)

Should I be concerned? I just got the phone back in March new from TMobile

Question Battery getting rekt fast with 67w charge !

Noticed on battery health monitor battery seems to be getting rekt quickly
Should I charge slower or something ?
At this rate the battery is degrading 6%+ a month!

Pretty sure that's not accurate. I stopped using Accubattery a long time ago, I just use my phone like I normally would and I try not to worry about the battery degrading.

jericho246 said:
Pretty sure that's not accurate. I stopped using Accubattery a long time ago, I just use my phone like I normally would and I try not to worry about the battery degrading.
Click to expand...
Click to collapse
When I test it on my old Huawei mate 20 X it says the battery is only 74% effective and it was 101% when new
I am not sure accubattery is legit or not but I never take their recommendation to only charge between 30-80% because I need to use the phone capacity from 100% to whatever and I don't plug it in until 1% or sometimes dead which is supposedly the worst thing you can do lol
I guess New batteries will be cheap by the time I need one , haven't seen a tear down yet of this device to know if it's easy to replace it yet or not....

This application give me 5115 after 2 weeks.
Dont' know if accurate or not.

I don't think they know that battery in MI11 Ultra is made with new material "silicon-oxygen anode battery" as app probably thinks you have normal "li-pol battery" so when you charge it with high power, app think you killing your li-pol battery?..

veimus said:
I don't think they know that battery in MI11 Ultra is made with new material "silicon-oxygen anode battery" as app probably thinks you have normal "li-pol battery" so when you charge it with high power, app think you killing your li-pol battery?..
Click to expand...
Click to collapse
Maybe... Only time will tell i suppose

speedtripler said:
Noticed on battery health monitor battery seems to be getting rekt quickly
Should I charge slower or something ?
At this rate the battery is degrading 6%+ a month!
Click to expand...
Click to collapse
I just tested what it looks like for me after about 2 weeks.
I have almost the same result as you.
I really hope that's not correct, otherwise I'd be worse off now than with my Galaxy S20 Ultra (SD version) after a year.

Gh5st said:
I just tested what it looks like for me after about 2 weeks.
I have almost the same result as you.
View attachment 5311699
I really hope that's not correct, otherwise I'd be worse off now than with my Galaxy S20 Ultra (SD version) after a year.
Click to expand...
Click to collapse
Yes, rather shocking results for a month , i don't mind changing battery every 6-8 months because I'm a heavy user ( but hopefully spare batteries are available? )
Once they get down to about 82% I usually order a new one and change it and it makes a big difference in the longevity of the devices

i have the phone since it launched ( received about 1 week or so after ) and in the app i have 98%.
I do believe the app is not accurate enough tough.
My mi9, after 2 years of intense usage still is at 90%

Jhonxs said:
i have the phone since it launched ( received about 1 week or so after ) and in the app i have 98%.
I do believe the app is not accurate enough tough.
My mi9, after 2 years of intense usage still is at 90%
Click to expand...
Click to collapse
I hope your right , my battery seems to be degrading fast

Jhonxs said:
i have the phone since it launched ( received about 1 week or so after ) and in the app i have 98%.
I do believe the app is not accurate enough tough.
My mi9, after 2 years of intense usage still is at 90%
Click to expand...
Click to collapse
Removed Dbl post

I did a factory reset since last time, and i have same result.
But i don't think it's accurate, in my case i have too high result to be true.

Android doesn't directly monitor current draw I don't think so no app will be accurate.
Regardless Li's like frequent midrange power cycling 40-65% is ideal.
Avoid charging past 80% or discharging under 30% when possible to reduce battery stress.
Do not start charging a battery under 72°F, NEVER charge one near freezing.
An 85F start temperature is best.
Keep the temperature below 100F during the charge cycle.
Low temperature charging can cause Li plating which permanently degrades the cell.
Most fast charging controllers will not let fast charging engage if the start temperature is too low or high.

37-38 C temperature during charging is somehow difficult to keep with the 65-67w charging speed without any external help ( a fan for example )
But in theory you are right

Jhonxs said:
37-38 C temperature during charging is somehow difficult to keep with the 65-67w charging speed without any external help ( a fan for example )
But in theory you are right
Click to expand...
Click to collapse
I use a damp microfiber cloth and/or a fan.
If it gets much above 101F charging will likely terminate. That max will vary by device however it's counterproductive to charge at this high temperature.

I usually use my blackshark fan with great success. That little device really works

Jhonxs said:
I usually use my blackshark fan with great success. That little device really works
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You got the idea