On display at Japan's CEATEC tradeshow is a new technology developed by NTT Docomo and NEC that can fully charge a lithium-ion battery in 10 minutes.
According to Engadget, the battery currently lives in an external pack, as opposed to the phone itself, but when empty, its six-amp AC gets to work in a hurry (most smartphone chargers only pull approximately 0.5 amps. Few other details, such as full specs or availability, are scant. But seriously, why does Japan always get the cool shit first? [Engadget]