Powerful Samsung Nexus S Lithium Polymer Rechargeable Gomadic Brand Battery Pack - High Capacity Por

• Very easy to operate. Simply connect Samsung Nexus S, press activation button on pack, and charging begins. Quick start guide included.
• Integrated circuitry tailors output voltage and charging current to exact specification of the Samsung Nexus S (accurate to 0.1v).
• Specification: Internal Battery (3400mAh lithium polymer), Input port (miniUSB), Output Port (Standard USB), Onboard Circuit Design (Samsung Nexus S Specific), Dimensions (4.0 X 2.0 X 0.5 inches), TipExchange enabled (Yes)
• Built with high capacity lithium polymer rechargeable battery technology (17 Wh / 3400 mAh) in a compact design.
• Built using unique Gomadic TipExchange Technology that protects your investment by providing the ability to upgrade charging ports by simply swapping the physical connector.

I frequently travel to Europe and Asia. I have yet to discover a phone that can hold a charge until I reach my destination hotel if I use the phone in connecting airports. This means I'm looking for plugs in airports and switching batteries. This little fellow charges my phone while on the plane between so I arrive with a full battery to make important calls and check email.

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