They keep going and going and going... batteries are everywhere these days. Sure, you expect to see them in toys, and clocks, and exploding Dell laptops. But lately it seems as though just about everything runs on batteries.
Your job is to show the most unexpected battery-operated subject you can. Any kind of battery will work -- car batteries, watch batteries, you name it.
You have 48 hours, so make them count. As always, have fun, be creative!, follow the guidelines please, and be careful to avoid using cliches. You will have 48 hours to submit so make your entry count!