http://www.macnn.com/articles/08/04/21/portable.power.station.2/
Portable Power Station 2 serves iPhones, Nanos
updated 12:35 pm EDT, Mon April 21, 2008
Portable Power Station 2
Generic dealer USBfever has released a second Portable Power Station intended for the iPhone. The device serves as a backup battery, temporarily recharging the internal one when connecting to wall socket is impractical; it attaches directly to an iPhone's dock connector, and starts the recharge process immediately. A second port at the base of the PPS2 lets users charge both the internal and external batteries simultaneously, or alternately sync with a computer as usual.
Unlike the standard PPS, the new version is only rated at 800mAh, and cannot fully charge an iPhone; it is however considerably more compact, and is also able to recharge third-generation iPod nanos. USBfever has priced the PPS2 at $28.
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Out Put In Put
Output and Input are each a single word. Seeing "out put" and "in put" on the device is not encouraging.