iPhone Battery

jamacouve

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May 25, 2015
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Hey guys , got a new iPhone and want to know what the best practice is for batteries.

Ive read a few contradicting things. Do you charge it full then use it till empty or do you try and keep it as charged as possible as much as you can??
 
The recommendation is that you try to avoid letting it drop below 30%. Full discharge of lithium ion puts the battery under unnecessary stress. Quick charge which is is not an issue for the iPhone also tends to strain the battery.
 
It has nothing to do with battery memory, and yes it can make a difference. Typically avoid regularly fully discharging a lithium battery.
 
Best way is to keep the battery between 30 and 80%. Which is quite difficult. I would use it normally, not allowing it to fully discharge, except a full discharge so that it turns off once or twice a month.
 
The recommendation is that you try to avoid letting it drop below 30%. Full discharge of lithium ion puts the battery under unnecessary stress. Quick charge which is is not an issue for the iPhone also tends to strain the battery.

Best way is to keep the battery between 30 and 80%. Which is quite difficult. I would use it normally, not allowing it to fully discharge, except a full discharge so that it turns off once or twice a month.


http://www.apple.com/batteries/maximizing-performance/ mentions nothing about 30%??
 
The recommendation is that you try to avoid letting it drop below 30%. Full discharge of lithium ion puts the battery under unnecessary stress. Quick charge which is is not an issue for the iPhone also tends to strain the battery.

That's for the actual voltage of the cells. An intelligent device like a phone will display relative (usable) percentage. If it didn't your battery would be dead (or catch fire) if you ever reached 0%.
 
M iPhone 5 is about 3 years old. I keep it plugged in whenever I can but the battery still discharged completely often. The only change is that it used to go down as low as 2% before switching off, now it does that on about 7%. Doesn't answer OP though!
 
My housemate has a 5 year old iPhone 4 and its battery is still fine. She doesn't follow any 30%-80% rules.
 
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