Gomadic Advanced Samsung SCH-U430 compatible AA Battery Pack Charge Kit &ndash; Portable power built with upgradeable TipExchange Technology Specification: Input Voltage (4 X AA Batteries), Cable length (6 inches), Dimensions (5.0 X 1.5 X 0.75 inches), Circuit Design (Samsung SCH-U430 specific), TipExchange enabled (Yes) Integrated circuitry regulates output voltage specific to the Samsung SCH-U430. 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. Easy to operate. Simply insert batteries, toggle on/off switch and your Samsung SCH-U430 will start to charge. The rugged composite design is built to last. This product is backed by our comprehensive Gomadic Lifetime Warranty.