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Left new iPhone 5 battery discharged overnight

A

asenna

macrumors newbie
Original poster
Oct 30, 2012
22
0
Is leaving the iPhone fully discharged (battery drained until it automatically shutoff) for about 8 hours bad for it? I know lipo's do not like to be discharged too much and car batteries typically lose large amounts of capacity when left under a certain voltage.

Just got this phone and was breaking in the battery but it died overnight and I didnt notice until morning.
 
L

lke

macrumors 6502a
Jun 19, 2009
570
15
Don't worry too much for your iphone. It has a great battery that last for years.

My first generation iphone still works, also all my ipod and my ipad first generation.

The batteries that Apple use are very good.
 
B

BigMcGuire

Cancelled
Jan 10, 2012
9,832
14,025
I've done TONS of reading on batteries. Leaving it discharged overnight shouldn't hurt. For weeks? You might destroy it. Going below 20% should be avoided but from what I'm reading Apple may (or may not) already do that when it's 0% - leaving a % behind so it doesn't completely discharge.

I've NEVER completely discharged my iPhone (4s or 5). I don't believe in it. To keep my batteries healthy, I'll discharge them to 30% - 50% once a week or so.
 
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