As you probably know, the USB 2.0 ports can deliver up to 500 mA, that means about 2.5W. But sometimes you might need more power to connect an external HDD or other peripherals and the USB ports just ...
What was a Japanese-only device has finally made it to the US shores. Sanyo's Eneloop Mobile Booster (aka, KBC-L2) battery supplies 5V 500mA of juice to a pair of simultaneously connected USB devices ...
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