Mitsubishi electric car owners in Japan will soon be able to use the family car as an emergency generator, using their EV's batteries to power a home.

The MiEV Power Box is an adapter that plugs into the i-MiEV's quick charging port. Instead of recharging the car's drive battery, it does the exact opposite, pulling 1500 watts of electricity to keep the lights on when the power goes out.

(READ the story in Wired)