iPad battery appears to exceed Apple estimates

iPad battery appears to exceed Apple estimates

I was impressed with the iPad's battery life, which I found to be even longer than Apple's ten-hour claim, and far longer than on my laptops or smart phones. For my battery test, I played movies, TV shows and other videos back-to-back until the iPad died. This stressed the device's Toshiba pa3534u-1brs Battery most power-hogging feature, its screen. The iPad lasted 11 hours and 28 minutes, about 15% more than Apple claimed. I was able to watch four feature-length movies, four TV episodes and a video of a 90-minute corporate presentation, before the battery died midway through an episode of "The Closer."

David Pogue, New York Times:

Apple asserts that the iPad runs 10 hours on a charge of its nonremovable battery but we all know you can't trust the manufacturer. And sure enough, in my own test, the iPad played movies continuously from 7:30 a.m. to 7:53 p.m. more than 12 hours. That's four times as long as a typical laptop or portable DVD player.

Xeni Jardin, Boing Boing:

Manic, nonstop use revealed a number of things: battery life is better than I anticipated. I got a full day of constant internet-connected use (it did not leave my hands) on one charge. More than 12 hours, with heavy video and gaming, and screen cranked up to full brightness.

Not everyone is impressed by the battery though

Tim Gideon, PC Magazine:

The power efficiency of the chip translates to a battery life that Apple rates at "up to ten hours" with Wi-Fi switched on. Our own rundown test of the rechargeable lithium-polymer battery netted a respectably close battery life of 9 hours and Toshiba pa3533u-1bas Battery 25 minutes.

Edward C. Baig, USA Today:

At 10 hours or so, the iPad battery life, while impressive, falls far short of the two weeks you might get off a Kindle charge.

It'll be interesting to see if the general public are as happy with the battery life as most of the early reviews are.

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