Quote:
Originally Posted by obsessed2
In other words 100% on the battery meter does not mean your battery is 100% charged, it really means it's 90% charged. Imagine if your car's gas gauge said you had a full tank but in reality it's only 7/8 full. If you have a 20 gallon tank that's 2.5 gallons short. If your car gets 30 miles a gallon this means you can drive almost an extra 100 miles before fill up. If your battery is at 100% instead of 90% you get an extra hour of use before having to recharge.
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... assuming that all iPads behave in the same way as the one that this entire discussion is based on.