The general idea behind most of Kensington’s products seems to be to perform one main task and then follow up with one or two secondary and thoughtful convergence features. In the case of the Travel Battery Pack and Charger for iPhone and iPod touch, you get a backup battery that doubles as a horizontal stand for watching movies.
You’ll also notice a distinct absence of cables, as the backup battery is itself recharged by way of a flip-out USB plug. So you’ve got a nice battery pack for when you’re on the go that, while physically somewhat larger than many competing battery packs, ends up taking up less space since there aren’t any extra cables to bring along. You can even sync your iPod/iPhone through the battery pack when it’s connected via USB too.
Recharging time is quick, although the actual charge capacity leaves a bit to be desired. I was able to charge my iPhone 3GS to almost full capacity in about an hour. I was unable to find the exact battery capacity, but a series of super complicated equations (5.5 watt-hours / 5V = 1.1 and 1.1 x 1000 = 1100mAh) leads me to believe that it’s probably a 1100mAh battery pack. The iPhone 3GS uses a 1150mAh battery itself so that makes sense.
The “Kensington Travel Battery Pack and Charger for iPhone and iPod touch” is available from Kensington for $52.50 – you can find it elsewhere online for a little over $40, too.
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