Griffin GA23105 Power Duo Power Adapter AC/ Car/USB 10 Watt Power Duos AC & DC chargers deliver the 10 watts needed for iPad, & fast charging for your iPhone or iPod. Power Duo combines Griffins Power Block AC charger & Power Jolt auto charger in one convenient bundle. The dock cable can be used separately to charge or sync your iPod, iPhone, or iPad. To charge other devices, use the cable that comes with your device. Just plug it into either chargers USB (Universal Serial Bus) port.