The best replacement for your original charger. The rapid charger is lightweight hand handy for traveling. Built in smart IC chip recognizes a fully charged battery and automatically switches to a saver mode. Offers short circuit protection, overcharging protection & diode protection. Charger will fit any standard or auxiliary car power socket. iPod can still be used while charging. Charger is the standard universal voltage DC12-24v. A handy LED charging indicator will let you know when your iPod is fully charged.