With our pockets full of MP3 players, cell phones, PDAs, and handheld gaming units, running out of battery power while out and about is an unfortunate and annoying reality. While there are plenty of portable rechargers out there in a variety of forms, they generally are designed to only work with one gadget or are unwieldy. This Princeton PMB-BP18 Emergency Battery will hook up to any number of USB toys and give them the juice they need to keep on truckin'. It even features a little flip-up dock for you to rest your recuperating gadget on, presumably to watch a video or something of that sort. It's available in Japan now for about $42; no word on U.S. availability. — Adam Frucci

Akihabara News, via Gizmodo