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Retailers' Descriptions

Here's what other sites are saying:

The Brunton Bump Charger is a lightweight solar panel and battery for giving your electronic device a little boost. Fits right in your pocket, even on a keychain if you prefer. The 50mA solar panel charges up the internal, rechargeable lithium battery. Available with Apple or USB connection, plug it in and get enough juice to get through the end of the day. Note, this device is not meant to provide a full charge. Features of the Brunton Bump Charger Water resistant housing Internal rechargeable lithium polymer battery 50 mA solar panel Power gauge and auto shut off Compact and light weight, perfect for your keychain

- Moosejaw

Small enough to put on your key chain, but powerful enough to charge your iPhone or iPod, the Brunton Bump Power Pack for Apple connects directly to your Apple portable devices for easy recharging anywhere you go.This compact lightweight device is a miniature powerhouse. It's just 2" x 1.5" x 0.5" and weighs less than an ounce. With a rechargeable lithium polymer battery and a built-in solar panel, you've got spare power to recharge your iPhone or iPod when you're away from the wall socket.Features a water-resistant housing and an adjustable stand to help you aim the solar panel at the sun.Power gauge and auto shut off.