... protection from overtime, overheat, overcurrent, short-circuit3. Charge & discharge battery indicator function, easy to use4. Lighting and SOS function 5 ... and multi-color choose8. Strong CompatibilityPower Bank ApplicationsFor laptops/tablet pc: iPad 1, iPad 2, iPad 3 and other ... brand tablet pcFor cell phones: iPhone, Blackberry, Samsung, SonyEricsson, Nokia, ...