Quote:
Originally Posted by jswinden
It is never good to allow the iPad/iPhone/iPod touch battery to discharge completely to 0%. However, it is a good idea to allow it to discharge to about 15% before recharging.
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Is there an authoritative source somewhere, Jack, that would confirm this? Like, Apple themselves? I've heard so many theories and rumours regarding battery life that I just don't know whom to trust anymore.
Allowing the iPad do discharge down to 15% regularly is not practicable for me. That's because the iPad 3+ takes a
long time to charge again, much longer than iPad 1 or iPad 2. This would then pose the danger, for me, to have to leave home/office without the iPad fully charged, which might cause problems for me later in the day.
Ever since the iPad 1 first came out, I have adopted the practice of recharging the iPad (and iPhone) as soon as the battery level drops to 59% or below. My iPad 1 and iPhone 4, both in their third year now, are still going strong in terms of battery life, as if they were still new.