Keep your smartphone or tablet fully fuelled with the Griffin USB car charger. As long as your device is USB compatible, you’re good to go. Just use the USB cable provided and plug it in to get fast charging, whilst on the move. And what’s more, the ChargeSensor Technology protects your devices from overcharging. Specifications Powers up any smartphone, tablet or USB device ChargeSensor technology protects devices from overcharging 4.8amp 3 Port Car charger Input Voltage: 12 V DC Output Voltage: 5 V DC Maximum Output Current: 4.80 A Colour: Black