Gomadic Portable AA Battery Pack designed for the Samsung Galaxy Note 10.1 Tablet - Powered by 4 X AA Batteries to provide Emergency charge. Built using TipExchange Technology Integrated circuitry regulates output voltage specific to the Samsung Galaxy Note 10.1 Tablet. Advanced logic maximizes overall charger efficiency. Built using the unique Gomadic TipExchange Technology that protects your investment by providing the ability to upgrade charging ports by simply swapping physical connectors. Specification: Input Voltage (4 X AA Batteries), Cable length (6 inches), Dimensions (5.0 X 1.5 X 0.75 inches), Circuit Design (Samsung Galaxy Note 10.1 Tablet specific), TipExchange enabled (Yes) The rugged composite design is built to last. This product is backed by our comprehensive Gomadic Lifetime Warranty. A must have accessory for the frequent traveler, camper or heavy Samsung Galaxy Note 10.1 Tablet user.