Progress your charging with the Blackberry Storm 9530 Battery Wall charger/USB Output The charger itself allows for a spare battery to be charged while the Blackberry Storm can charged through the USB output. The size and built of the charger was designed with organization in mind and travel pocket sized. To power the charger, simply pull the prongs out from he bottom. Everything about this charger is simple and functional so why not give it a try. Blackberry Storm 9530 Battery Wall charger/USB Output features Charge your back up battery USB Output to charge with usb cable (cable not included) Folding prongs to plug into the wall Color - black Blackberry Storm 9530 Battery Wall charger/USB Output