Hmm, now then, this is an odd story. The new iPad (I’m not sure if this issue is confined to the iPad, or whether it also applies to the iPhone 4S… details are sketchy on that point) seems to be doing something odd, and according to IntoMobile, it might actually have been deliberately designed to do that odd thing.
Yup, as the title says, it’s that issue that’s popped up online, where people are reporting that their iPad is showing it’s 100% charged when it’s actually only at about 90% charge, in effect meaning that it ends up never being fully charged. So, users are reporting that their usage time is about an hour less than they expected. The question is, though: is this a design error or a deliberate design feature?
It’s an intriguing question that the source link asks. Did Apple deliberately set it this way, and if so, why? It’s well known that lithium-ion batteries lose capacity over time (hell, my two year old HD2 will now only make it through about 15 hours on a single charge, and that’s with the screen turned off for most of that time), but what I didn’t know, until about ten minutes ago, is that charging your device up so the battery is 100% completely full will actually make that loss in capacity happen faster.
So, did Apple deliberately design their battery meter this way, to prolong the lives of users’ batteries? Is that their choice to make? Is this going to be a problem for every device where you can’t just remove the battery and install a new one (y’know, since the phone I want, the HTC One X, is the same)?
I suppose we’d best wait and see what Apple say…
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