Any time a company both enables our gadget addiction and discourages wanton battery consumption we have to consider it a good thing — and, indeed, Sanyo’s wicked-rechargeable Eneloop batteries already have quite a few fans here at Engadget HQ. But what’s a busy gadget hound to do on the go, you ask? Try this one on for size: the Eneloop Stick Booster ships with two AAs and can be used to charge them, via any USB source.

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Eneloop Stick Booster supplies emergency power to your portable devices