Portable USB Battery Charger for AA and AAA Battery Sizes via your Notebooks or desktop PCs, Macs.
Pop 4 AA or AAA rechargable batteries in the USB Battery Charger, plug in to your desktop or laptop computer, and wait for a few short hours, and you have enough juice to run your digital camera, MP3 player, or R/C Helicopter.
The USB Battery Charger comes in black, four inches square and 1 inch high, with a translucent cover. It charges 4 AA or 4 AAA rechargable batteries (or 2 of each) in 4 hours.
We charge almost anything with the USB port like PDAs, Cell phones, why not batteries for cameras, mp3 player? So they created this product, now you can charge your camera batteries quickly via your USB port. They don't have a comparison which way is faster the regular electrical outlet or via USB, but it will give a good indication. This is neat when you are away from home and want a quick recharge.
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