The battery is perhaps the most notable thing Soules found in the teardown. The new iPad rocks a 42.5 watt-hour battery, a dramatic increase over the iPad 2′s 25-watt-hour power provide.
The iPad is going to need all that power to truck along on 4G and support the extra RAM and improved graphics in the tablet, and battery life is still rated at right around the same amount as its predecessor.
“Its 3.7 volts and estimated 10 hours of use (9 with cellular data network) are comparable to that of the iPad 2, but we assume the extra 17.5 watt-hours are put to good use powering the extra RAM and greatly improved GPU,” says Soules. “As is the case with most tablets, the iPad 3 is really just a giant battery.”
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