Integrated circuitry tailors output voltage and charging current to exact specification of the Philips GoGear SA3114/37 (accurate to 0.1v). Very easy to operate. Simply connect Philips GoGear SA3114/37, press activation button on pack, and charging begins. Quick start guide included. Specification: Internal Battery (7800mAh lithium polymer), Input port (microUSB), Output Port (Standard USB), Onboard Circuit Design (Philips GoGear SA3114/37 Specific), Dimensions (2.75 X 3.25 X 0.75 inches), TipExchange enabled (Yes) Built with high capacity lithium polymer rechargeable battery technology (22.2 Wh / 56000 mAh) in a compact design. Designed with a front facing LED display that clearly display the current battery capacity at the touch of a button No more scoping out airport waiting rooms for AC plugs. No more sweating in the parking lot waiting for your Philips GoGear SA3114/37 to charge. Keep the family plugged in on camping trips or the office wondering how you are always so utterly available. Small, Lightweight and extremely durable, the Gomadic High Capacity Battery Pack for the Philips GoGear SA3114/37 is the perfect addition to any nomads road arsenal. Whether you need an extra boost to squeeze some extra hours out of the Philips GoGear SA3114/37 or you are resurrecting it from the dead, the High Capacity Battery keeps you mobile, agile and free. Consider yourself an independent and free-moving provider of energy!

Integrated circuitry tailors output voltage and charging current to exact specification of the Philips GoGear SA3114/37 (accurate to 0.1v). Very easy to operate. Simply connect Philips GoGear SA3114/37, press activation button on pack, and charging begins. Quick start guide included. Specification: Internal Battery (7800mAh lithium polymer), Input port (microUSB), Output Port (Standard USB), Onboard Circuit Design (Philips GoGear SA3114/37 Specific), Dimensions (2.75 X 3.25 X 0.75 inches), TipExchange enabled (Yes) Built with high capacity lithium poly