Hi, I recently bought a Lenovo P2, and so far it seems to me to be a great device.
The battery is great and I usually go to sleep with a 65-70% of charge.
So I have a doubt: Should I charge the phone every night, even if the battery is half charged, or should I wait the battery to reach 25-30% and then charge it?
Also, Does the fast charge ruin the battery if often used?
Thanks
SlugUnchained said:
Hi, I recently bought a Lenovo P2, and so far it seems to me to be a great device.
The battery is great and I usually go to sleep with a 65-70% of charge.
So I have a doubt: Should I charge the phone every night, even if the battery is half charged, or should I wait the battery to reach 25-30% and then charge it?
Also, Does the fast charge ruin the battery if often used?
Thanks
Click to expand...
Click to collapse
Wait for 25 to 30 percent and charge till 80 to 85 percent. It'll make your phone battery last really long!!!!
Why not till 100%?
Because these batteries are at their best between 20 and 80%. They don't like being run right down and charging them to 100% increases the wear on them.
So they will last longer by keeping them between 20 and 80%.
philje123 said:
Because these batteries are at their best between 20 and 80%. They don't like being run right down and charging them to 100% increases the wear on them.
So they will last longer by keeping them between 20 and 80%.
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Click to collapse
So, those tricks I've read, about discharging till 15% and charging to 100% to calibrate battery, are useless?
Korax94 said:
So, those tricks I've read, about discharging till 15% and charging to 100% to calibrate battery, are useless?
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Click to collapse
You read it wrong. To recalibrate the battery you must fully discharge ie. to 0% till the phone shuts down by itself, not to 15%. You can fully discharge once per month. To prolong the battery life span try to charge from 20 to 80%. I know charging up to 100% is nice, but all experts tell us that it's not good for the battery in a long run.
Even partially charging from 20 to 80% you still have ~8-10h SOT so all is fine, 2-3 days on a battery are possible.
Related
I have a 3900 mAh battery from Mugen. Ive noticed the battery lasts about 30 hours. But I find something very strange. It drains around 96% in just 15 minutes on straight boot after charging every time. In fact, the first 80% of so drains pretty quickly? Ive had it in my phone for about 2 weeks. Has anyone else noticed this or know why this may be happening. Also when at 100%, and i inplug it, goes straight to 98!
Have you done a battery calibration? Get the Battery Calibration app from the play store.
There's some argument as to whether this does anything or not, but have you conditioned the battery? That means letting it drain completely, then charging it continuously till it hits 100% - do that several times.
Its been proven that the app does nothing, which wipes battstats.ini or something
As for conditioning, its been down to around 3% before being charged. Ivehad the battery 2 weeks now.
Lithium Ion batteries have a very steep drain for about the first 15-20% and also slower charging from those levels. Once past that the drain is nearly linear, and then gets very steep at about 3.6v.
You can see it in the graphs here:
http://www.ibt-power.com/Battery_packs/Li_Ion/Lithium_ion_tech.html
Typically the way our devices are designed, they do not charge the battery to 100% full it can actually cause damage to lithium ion based batteries. what happens is the battery is charged to 95%-98% then the device stops the charge and allows the battery to drop to abut 85%-90% and then starts trickling it again. By design the batteris typically drain a little bit fast at the top level.
further more lithium ion batteries survive more recharge cycles if the D0D (depth of discharge) is about 25% remaining.
Basically you battery will last longer by the device not charging to 100% and letting it discharge slightly when in trickle mode, and if you don't let it die completely and charge it when it reaches around 15%-20% left.
-Mr. X- said:
Typically the way our devices are designed, they do not charge the battery to 100% full it can actually cause damage to lithium ion based batteries. what happens is the battery is charged to 95%-98% then the device stops the charge and allows the battery to drop to abut 85%-90% and then starts trickling it again. By design the batteris typically drain a little bit fast at the top level.
further more lithium ion batteries survive more recharge cycles if the D0D (depth of discharge) is about 25% remaining.
Basically you battery will last longer by the device not charging to 100% and letting it discharge slightly when in trickle mode, and if you don't let it die completely and charge it when it reaches around 15%-20% left.
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Click to collapse
Hmm that kind of makes sense. Everyones been telling me to not let it drop to below 35% though cause it 'wears the battery out'. Ive been charging at around 40 cause thats where itd be after a full day at work and such.
Ive been getting concerned though because ive seen screenshots of people getting 31 hours with 7 hours of screen on time.
Im at 62%, 9.5 hours total, 1 hour 7 min screen on. Thats mostly with Wifi on though.
My stock battery used to drop 10% an hour on 4g, and this one dropped ~11% on 4g just now....
mknewman said:
Lithium Ion batteries have a very steep drain for about the first 15-20% and also slower charging from those levels. Once past that the drain is nearly linear, and then gets very steep at about 3.6v.
You can see it in the graphs here:
http://www.ibt-power.com/Battery_packs/Li_Ion/Lithium_ion_tech.html
Click to expand...
Click to collapse
Thanks for the graph!
Sent from my amazing G2x running EaglesBlood and Faux.
Now at 36% And its just sitting off mostly with some light texting
Now 35!
Got a weird feeling the battery is messed up.
Its 3900mah, divide by 650 = 6 hour charge
Its been 6 hours and its at 46% with the phone off so its not using power, and on the wall charger.
Rekzer said:
Its been proven that the app does nothing
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I haven't heard that before. Got a source for that info?
mayonaise said:
I haven't heard that before. Got a source for that info?
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Click to collapse
http://www.androidcentral.com/wiping-battery-stats-doesnt-improve-battery-life-says-google-engineer
So my question is basically asked in the title already.
But to get you all you all to the background story, I use my gnex 5 days in a week as alarm, (2 days off, thank god i can sleep little longer in the weekend), but sometimes my gnex is nog fully recharged or has not that much battery left to hold on the whole night till my alarm will ring and wake me up.
So is it harmful to my battery when it recharges the whole night or is there some kind of system that will prevent the phone from recharging when its full?
Teoctist
Teoctist said:
So my question is basically asked in the title already.
But to get you all you all to the background story, I use my gnex 5 days in a week as alarm, (2 days off, thank god i can sleep little longer in the weekend), but sometimes my gnex is nog fully recharged or has not that much battery left to hold on the whole night till my alarm will ring and wake me up.
So is it harmful to my battery when it recharges the whole night or is there some kind of system that will prevent the phone from recharging when its full?
Teoctist
Click to expand...
Click to collapse
First of all, all Li-ion batteries will stop charging when they're full, second, if you haven't noticed yet, try to look at your battery percent after a night of charging, it will almost never be at 100% but 98-99, and that is because the GN reflects the real state of the battery, unlike other phones in which you'll see the batt at 100% once you unplug it, but it'll drop to 98 in 10 seconds, the GN will stop charging when the batt reaches 100 and restart charging when it reaches 98 again, so, the battery will never overcharge, and to your question - no, this will not decrease your battery's life, of course not using the battery at all may help, but that's just stupid, charge you phone as much as you want, that's what it's there for, and even if you think your battery is gone (theoretically after 5 years of use..) then just buy another one.
omricn said:
First of all, all Li-ion batteries will stop charging when they're full, second, if you haven't noticed yet, try to look at your battery percent after a night of charging, it will almost never be at 100% but 98-99, and that is because the GN reflects the real state of the battery, unlike other phones in which you'll see the batt at 100% once you unplug it, but it'll drop to 98 in 10 seconds, the GN will stop charging when the batt reaches 100 and restart charging when it reaches 98 again, so, the battery will never overcharge, and to your question - no, this will not decrease your battery's life, of course not using the battery at all may help, but that's just stupid, charge you phone as much as you want, that's what it's there for, and even if you think your battery is gone (theoretically after 5 years of use..) then just buy another one.
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The answer could not have been more perfect! Thanks!
Teoctist said:
The answer could not have been more perfect! Thanks!
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Click to collapse
Couldn't be more happy to help!
ONLY FOR THOSE, GETTING 8-13HRS OR ABOVE SOT.
Sites say that we should keep our battery between 40-80% because charging battery to 100%(And losing till 5-10%) can degrade the capacity of battery.
But Company representatives says that we should charge till 100%.
Can anyone please tell me that till how much we should drop our battery and till how much we should charge it?
I charge till 100 and use it till 5-10%.
Yash24 said:
ONLY FOR THOSE, GETTING 8-13HRS OR ABOVE SOT.
Sites say that we should keep our battery between 40-80% because charging battery to 100%(And losing till 5-10%) can degrade the capacity of battery.
But Company representatives says that we should charge till 100%.
Can anyone please tell me that till how much we should drop our battery and till how much we should charge it?
I charge till 100 and use it till 5-10%.
Click to expand...
Click to collapse
http://www.sciencealert.com/here-is-the-best-way-to-charge-your-phone
Who is getting under 8 hrs on this beast? If someone is they're doing something wrong. But according to accubattery app, you shouldn't charge your phone past 80%, anything above will exponentially increase wear.
Having said that my usage is typically down to 50% for the day, then i fully charge overnight. Battery has shown no signs of wear after 7 months, nor will I even worry about that with this phone. But try out that app, it monitors app usage etc among other things
Hello guys,
whats your opinion about charging Redmi note 5/Pro mobile battery from 0% to 100%, Is it really safe to do ?
As some user reported, charging from 0% to 100% may spoil lifespan of battery..
Whats your charging routine?? When do you guys start charging redmi note 5/pro ?? Share your opinion on charging routine
I usually change my phone about every 3 months so, i never worried about the health of my battery, i always charge from 0 to 100
No trouble full chargin. If u able, better to not discharge below 50%, as all lithium batteries, but influence of this behavior on battery lifespan is not measured.
Personally I feel anxious when see 30% left and charge at this time, but its only my habit
Madseb said:
I usually change my phone about every 3 months so, i never worried about the health of my battery, i always charge from 0 to 100
Click to expand...
Click to collapse
What you will do with older mobile ??? Right now im charging my mobile from 15% to 100% (I will charge from 0 to 100% very rarely)
d1g1m4n said:
No trouble full chargin. If u able, better to not discharge below 50%, as all lithium batteries, but influence of this behavior on battery lifespan is not measured.
Personally I feel anxious when see 30% left and charge at this time, but its only my habit
Click to expand...
Click to collapse
Yes.. thats good habit... I used to charge my mobile from 15% to 100%
for me , i will charge the phone anytime i needed
They say 50% to 80% is optimal for long term battery health.
But, who would do that. Charging from 0 to 100 isn't so bad if your phone lasts 2 days and if you keep the temps low.
I usually put on charge at around 30% sometimes ~40% if I'm going out and need a top up. Even when around 30% I usually average about 8hrs screen time over 24-36hrs, so batty life is good for me. Generally never run battery to empty, try to avoid ever going under 20%.
Sent from my Redmi Note 5 using Tapatalk
SunilSuni said:
What you will do with older mobile ??? Right now im charging my mobile from 15% to 100% (I will charge from 0 to 100% very rarely)
Click to expand...
Click to collapse
I usually selled or give it to someone of my family, right now im waiting a few months and i want the mi 8 explorer, but i dont know, is very expensive
I Always Charge My Phone When Battery Below 40% and Disconnect Charger When Battery Between 80% to 92%
100% Charge My Phone one time in 15 day
i charge mine between 20% or 15% upto 100%
not sure about depleting to 0. wasnt that for nicds batteries that had a memory but not lithium or lipos.. but yet again ive seen many articles about lipos not to discharge to 0.
its been a while since i knew about batteries when usw=ed to fly rc helicopters.. more then 10 years ago.
not sure whats new.. i also think fast charge affects battery life.
SunilSuni said:
Hello guys,
whats your opinion about charging Redmi note 5/Pro mobile battery from 0% to 100%, Is it really safe to do ?
As some user reported, charging from 0% to 100% may spoil lifespan of battery..
Whats your charging routine?? When do you guys start charging redmi note 5/pro ?? Share your opinion on charging routine
Click to expand...
Click to collapse
Charge ur phone till 100% then charge extra for half an hour.. I felt the difference..it added extra time to the battery
Siddharth chauhan said:
Charge ur phone till 100% then charge extra for half an hour.. I felt the difference..it added extra time to the battery
Click to expand...
Click to collapse
Will try that
Just charge however and whenever. Then replace the battery after 1-2 years
SunilSuni said:
Hello guys,
whats your opinion about charging Redmi note 5/Pro mobile battery from 0% to 100%, Is it really safe to do ?
As some user reported, charging from 0% to 100% may spoil lifespan of battery..
Whats your charging routine?? When do you guys start charging redmi note 5/pro ?? Share your opinion on charging routine
Click to expand...
Click to collapse
its safe but when u do it it resets its log... so better do 20-70
It's best to stay between 30 and 70% but that counts for every phone
It is good to be concerned for your smartphone's heat but don't be too worried about it. What matters most is to enjoy using it and not being anxious for such things. Just try to not let it discharge completely and unplug it before it is fully charged when possible. As someone else said above, you can change the battery with a fresh one in a few years. I doesn't cost much. That's my personal opinion though
Xiaomi recommends to keep atleast 10% of charge all the time to extend battery
Any phone I used, charging no more than 95%, discharging no lower than 25%. In this range, I charge when I want, no rules!
Hi all,
occasionally I see my 7 months old Pixel 3a XL can't hold battery power from 11% down. Switches off very fast, abnormally fast. Then if I power it and start it then keeps on restarting until battery level is higher than 5-6%
I use the original charger only. Sometimes it appears, some it does not and I can see it discharges as expected.
I try to keep my battery within 40-100% full and discharge it very rarely to 0%.
Anyone facing those abnormalities? Can't think of connected events - updates, etc ....
Cheers
p.s. after last night happening again, charged the phone from 0% to 86% (phone was off during charge), turned on on 86% and left over night on the shelf. Usually drains 2-3%, this morning it dropped from 86% to 62%. All connections off, nothing unusual shown in the battery usage stats...
TodNex said:
Hi all,
occasionally I see my 7 months old Pixel 3a XL can't hold battery power from 11% down. Switches off very fast, abnormally fast. Then if I power it and start it then keeps on restarting until battery level is higher than 5-6%
I use the original charger only. Sometimes it appears, some it does not and I can see it discharges as expected.
I try to keep my battery within 40-100% full and discharge it very rarely to 0%.
Anyone facing those abnormalities? Can't think of connected events - updates, etc ....
Cheers
p.s. after last night happening again, charged the phone from 0% to 86% (phone was off during charge), turned on on 86% and left over night on the shelf. Usually drains 2-3%, this morning it dropped from 86% to 62%. All connections off, nothing unusual shown in the battery usage stats...
Click to expand...
Click to collapse
That's pretty weird
My 3a xl (about the same age as yours) doesn't use more than 10% max when left overnight. Are you using AOD or anything?
Sent from my Pixel 3a XL using XDA Labs
@Skittles9823 nothing beside stock Android and apps that I've used forever. Strange is that it's occasional - also occassional is initial drain from 100% to 92%.
Maybe its time to flash it - nothing suspicious is shown in batt stats
I use the fast charger that came with it. Not sure how it affects battery life long term. I try to keep it 100% to 40% usually and not charge it if not necessary..
TodNex said:
@Skittles9823
I use the fast charger that came with it. Not sure how it affects battery life long term. I try to keep it 100% to 40% usually and not charge it if not necessary..
Click to expand...
Click to collapse
I think popular wisdom is that both fast charging and in particular charging to 100% are not kind to the battery's longivety. Divided opinion about the effect of discharging to low percentages. Personally I charge to between 70 and 80% unless I know I'm going to need more capacity. 3a XL has a bigish battery, which helps. I recharge most nights but only to 70-80%. End of day I usually end up between high 40's and low 30's charge.
I manually set all apps I don't actually need to run in background to 'restricted' background use.
I charge mine up to a 100% often, when using it heavy.. I never heard of charging a battery to 100% being bad for it, unless you believe everything that is told or should I say sold to you.. Sounds like a faulty battery. If still under the 1 yr usual warranty I would have it replaced. I have drained mine down to less than 20% and still never experience any issue that OP state.
doubledragon5 said:
I never heard of charging a battery to 100% being bad for it
Click to expand...
Click to collapse
Some research references in here
https://accubattery.zendesk.com/hc/en-us/articles/210224725-Charging-research-and-methodology
https://accubattery.zendesk.com/hc/...-Cycle-Life-Modeling-of-Lithium-Ion-Batteries
Also Apple have actually introduced a feature to stop/postpone 100% charging when the phone thinks it's not required. Would be good if we had similar/more control for Android.
https://support.apple.com/en-us/HT210512
WibblyW said:
Some research references in here
https://accubattery.zendesk.com/hc/en-us/articles/210224725-Charging-research-and-methodology
https://accubattery.zendesk.com/hc/...-Cycle-Life-Modeling-of-Lithium-Ion-Batteries
Also Apple have actually introduced a feature to stop/postpone 100% charging when the phone thinks it's not required. Would be good if we had similar/more control for Android.
https://support.apple.com/en-us/HT210512
Click to expand...
Click to collapse
I'm still not sold on the idea that charging a battery to 100% is bad.. But thanks for those links.
doubledragon5 said:
I'm still not sold on the idea that charging a battery to 100% is bad.. But thanks for those links.
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Click to collapse
It's actually true. Lithium Ion batters degrade over time, the speed of which, depends on the amount of battery cycles they go through (0-100% and vice versa). Others have done the research and the math and found that generally a 20% to 80% and vice versa charge seems to be the best for longevity.
Personally I charge to 100 but try to charge my phone when it gets to 20-30%.
Sent from my Pixel 3a XL using XDA Labs
doubledragon5 said:
I'm still not sold on the idea that charging a battery to 100% is bad.. But thanks for those links.
Click to expand...
Click to collapse
Evidence and research is there. Of course you don't have to believe it. It's your phone, your battery, your money
WibblyW said:
Evidence and research is there. Of course you don't have to believe it. It's your phone, your battery, your money
Click to expand...
Click to collapse
So very true my phone my money. In all my years of using cell phones, I think I have actually replaced a battery once because it went bad.
Thank you all for the links and the inputs!
One more symptom - when is very low like this morning - 1% and put it in charger - phone shuts off.
I will keep the battery in 40-80% for the future and limit the drain below 40%. I tried to charge it slow with USB - took me like 6-7 hours...
How long it takes you from zero to 100% with the stock charger - looks very fast to me - 0% to 67% in 35 mins
I personally tried to research and could not find what is worse for these batteries - number of cycles (obvious less when used below 40%) or the low capacity usage ?
TodNex said:
Thank you all for the links and the inputs!
One more symptom - when is very low like this morning - 1% and put it in charger - phone shuts off.
I will keep the battery in 40-80% for the future and limit the drain below 40%. I tried to charge it slow with USB - took me like 6-7 hours...
How long it takes you from zero to 100% with the stock charger - looks very fast to me - 0% to 67% in 35 mins
I personally tried to research and could not find what is worse for these batteries - number of cycles (obvious less when used below 40%) or the low capacity usage ?
Click to expand...
Click to collapse
The included charger is a fast charger, good for headlining how fast it charges, not so great for the battery. I just use a 'standard' (Anker) USB charger.
Jury's out on if deeper discharge is bad, but it's the number of complete cycles (0-100% counting as 1). So 40 - 80% is 0.4 of a full cycle, and you're not stressing the battery so much by taking it to 100%. Many folk here replace their phones frequently enough not to be bothered by all this - if they sell it when 20% of the battery capacity's gone, that's fine.
I've observed the behaviour and few things made me question myself...one time I can see 13% battery and palying Youtube just shutdown the phone. Put it into charger and started showing 4% as initial charge.
There was another time when using Viber video shutdown in 23% but can be overheat or software bug.
I try to keep it these days above 40% charge but still use the supplied charger till I buy new slower one.
TodNex said:
I've observed the behaviour and few things made me question myself...one time I can see 13% battery and palying Youtube just shutdown the phone. Put it into charger and started showing 4% as initial charge.
There was another time when using Viber video shutdown in 23% but can be overheat or software bug.
I try to keep it these days above 40% charge but still use the supplied charger till I buy new slower one.
Click to expand...
Click to collapse
The good news is that this phone seems to be pretty easy to repair and a battery replacement could very well be a good option for you, especially since you wouldn't be compromising any water resistance or anything