Gomadic Advanced Panasonic HC-V750 / V750 compatible AA Battery Pack Charge Kit &ndash; Portable power built with upgradeable TipExchange Technology Built using the unique Gomadic TipExchange Technology that protects your investment by providing the ability to upgrade charging ports by simply swapping physical connectors. Integrated circuitry regulates output voltage specific to the Panasonic HC-V750 / V750. Advanced logic maximizes overall charger efficiency. Specification: Input Voltage (4 X AA Batteries), Cable length (6 inches), Dimensions (5.0 X 1.5 X 0.75 inches), Circuit Design (Panasonic HC-V750 / V750 specific), TipExchange enabled (Yes) Safely engineered with reverse polarity protection, in the event batteries are accidentally put in incorrectly. This Gomadic Battery Pack is uniquely designed to work with both standard (e.g. alkaline) and/or rechargeable AA batteries.