Vibration-powered generators to replace AA, AAA batteries?
(Credit: Brother Industries)
If it sounds too good to be true, considering that even solar-powered alternatives still offer AA- and AAA-sized variants, well, it is. Brother Industries has developed a vibration-powered generator that claims to replace the ubiquitous double-A and triple-A batteries.
By simply inserting the small generator into, say, a remote control and giving it a good shake, this generates (presumably kinetic) energy for the controller. To ensure that the generator is compatible with current devices running on AA and AAA cells, it's shaped just like a battery. Inside, though, lie an electromagnetic induction generator and electric double-layer capacitor with a capacitance of about 500mF.
According to Brother Industries, its gadget is suited for devices that aren't always powered on and consume a mere 100mW. A remote sips about 40-100mW. And if you're lucky enough to be passing through Tokyo between July 21 and 23, the Vibration-powered Generating Battery will be showcased for the first time at Techno-frontier 2010. Do check it out and share your experience in the Talkback below.
Via Tech-On
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