Comments on: Super Battery charges gadgets with hand crank http://www.coolest-gadgets.com/20090116/super-battery-charges-gadgets-with-hand-crank/ Playing with cool gadgets in the ongoing search for the Coolest Gadget Wed, 10 Jan 2018 14:32:26 +0000 hourly 1 http://wordpress.org/?v=4.1.22