Compatible with iPhone, HTC phones, Samsung Galaxy Tab, Samsung Galaxy Phone, Samsung Galaxy Note, Blackberry, MP3 players, Digital Camera, & other USB devices Compact design and mini Dimensions make it easier to carry during a trip AC input: 100-240Vac, 0.8A, 50-60Hz£¬DC output: 5V USB output: 1x1A Quality Reliable:Intelligent circuit design protects against short circuiting, over-heating, over-currents, and over-charging, Charging stops when battery is full Highest Power rating at 5W/1Amps output