Forum Thread

Initial battery charge of Samsung S5 {could apply to HTC One (M8) or any other phone}

Joe Davola 8,209 11,127 April 23, 2014 at 10:56 AM
Is it still a good idea to initially charge the S5 (or any new fangled phone) for a certain amount of time after it hits 100%? I know it shouldn't cause any harm to charge after it hits 100%, but is there any reason to let it charge longer to "train" the battery? Also is there any need to let it drain down to 10% or less before charging it for the first week or so or is that all not necessary with these types of batteries?

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#2
This is the MOTHERLOAD of info on lithium batteries. A must to read for most SDers!

http://forum.xda-developers.com/s...?t=1168036
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#3
Quote from potus View Post :
This is the MOTHERLOAD of info on lithium batteries. A must to read for most SDers!

http://forum.xda-developers.com/s...?t=1168036
Thanks. Repped, but that requires reading and I'd rather just see my answer in this thread. LMAO
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#4
Quote from Joe Davola View Post :
Thanks. Repped, but that requires reading and I'd rather just see my answer in this thread. LMAO
I hear you. But please read that entire XDA post when when you have time.

I think the answer is to charge full and let it go down all the way several times. After that, avoid charging fully to 100% if you can. Also avoid running it down too low.
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#5
Quote from potus View Post :
I hear you. But please read that entire XDA post when when you have time.

I think the answer is to charge full and let it go down all the way several times. After that, avoid charging fully to 100% if you can. Also avoid running it down too low.
Thanks! I will read it. So let it go down to zero several times and don't fully charge it? I never heard the don't charge it to 100% before. Are you saying never (or at least try not to) charge it to 100% every time?
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#6
Quote from Joe Davola View Post :
Thanks! I will read it. So let it go down to zero several times and don't fully charge it? I never heard the don't charge it to 100% before. Are you saying never (or at least try not to) charge it to 100% every time?
Not exactly. WHen new, charge to 100%, let it go down to nothing. Do that two or three times. Going forward, to prolong battery life, follow the XDA link.

Also, never let it sit empty for long.
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#7
No not really. In modern devices with Lipo or Li batteries the phone manages all of this. It will charge to 100% and then maintain a maintenance charge not the full speed charge. This isn't 100% optimal for long term but for a phone its what you want since you dont want to start your day at 80% charge.

While your phone and battery also protects against complete depletion this is the one thing I do to help maintain the life of my battery is I don't let it go dead. This physically hurts Lithium batteries. Keep it above 5%. For long term storage they say in the 30-80% range is best.

http://batteryuniversity.com/ has more info than you would ever want to know if you find it interesting.

Specificially http://batteryuniversity.com/lear..._batteries and http://batteryuniversity.com/lear..._batteries
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#8
Quote from potus View Post :
Not exactly. WHen new, charge to 100%, let it go down to nothing. Do that two or three times. Going forward, to prolong battery life, follow the XDA link.

Also, never let it sit empty for long.
That used to be the case but i dont believe it is anymore. You would find these types of suggestions in the manuals of devices but they are typically not mentioned anymore because the benefits are negligible with the new lithium batteries.
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#9
Quote from potus View Post :
Not exactly. WHen new, charge to 100%, let it go down to nothing. Do that two or three times. Going forward, to prolong battery life, follow the XDA link.
Am I missing something? The XDA link specifically says don't let it go down to nothing and that there is no 'memory effect'
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#10
Quote from vivahate View Post :
Am I missing something? The XDA link specifically says don't let it go down to nothing and that there is no 'memory effect'
No your not, this is old way of thinking when batteries had memory. Lithium style batteries don't and this actually harms them.
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#11
Quote from vivahate View Post :
Am I missing something? The XDA link specifically says don't let it go down to nothing and that there is no 'memory effect'
The XDA link looks at maximizing the life of lithium battery over the long haul. Not sure why some manufacturers still recommend letting it run down all the way the first few charges.
The last Zero Lemon battery I got for a Samsung s3 gave instructions to let it go down all the way for the first few charges, then charge up to 100%. Based on the XDA probably best NOT to let it run down all the way.
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#12
Quote from potus View Post :
The XDA link looks at maximizing the life of lithium battery over the long haul. Not sure why some manufacturers still recommend letting it run down all the way the first few charges.
The last Zero Lemon battery I got for a Samsung s3 gave instructions to let it go down all the way for the first few charges, then charge up to 100%. Based on the XDA probably best NOT to let it run down all the way.
They don't, not from the OEMs of lithium batteries at least.
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#13
Quote from godfather927 View Post :
They don't, not from the OEMs of lithium batteries at least.
If you're like me, you probably use your Galaxy sIII a lot but you find that your phone is nearly dead by the end of the day. Well, no longer is my phone constantly plugged in. With HEAVY usage (Screen on time of 8 hours) GPS usage from DC to Baltimore and back, 7 hours of phone calls and over 2 days of usage, I still had 15% battery left. This battery is so good I bought it for my brother as well. For the price, you really can't beat it considering its 3 times the battery size (7000mAh) and includes a rubber back cover. We'll see how it goes with further use. The instructions do say to drain it down to 2% from 100% at least 5 times to condition the battery. I have done this and the results have been very satisfying. The 180 day lemon-free warranty is peace of mind.

http://www.amazon.com/review/REMP..._rtr_alt_3
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#14
Quote from potus View Post :
If you're like me, you probably use your Galaxy sIII a lot but you find that your phone is nearly dead by the end of the day. Well, no longer is my phone constantly plugged in. With HEAVY usage (Screen on time of 8 hours) GPS usage from DC to Baltimore and back, 7 hours of phone calls and over 2 days of usage, I still had 15% battery left. This battery is so good I bought it for my brother as well. For the price, you really can't beat it considering its 3 times the battery size (7000mAh) and includes a rubber back cover. We'll see how it goes with further use. The instructions do say to drain it down to 2% from 100% at least 5 times to condition the battery. I have done this and the results have been very satisfying. The 180 day lemon-free warranty is peace of mind.

http://www.amazon.com/review/REMP..._rtr_alt_3
The added bulk and thickness are a non-starter for me, but as for the "conditioning" aspect, ive never seen this guideline in recent years from Samsung, Apple, HTC, LG, etc.
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#15
Not really related to the initial charge question, but found this interesting regarding the S5 new Ultra Power Save Mode: 65 hours with the Samsung Galaxy S5′s Ultra Power Saving Mode [geek.com]

"The Ultra Power Saving Mode on the Samsung Galaxy S5 claims it can keep your phone running for 12.5 days on a single charge by shutting down all non-essential features."
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