Portable Emergency AA Battery Charger Extender suitable for the Creative Zen Touch - with Gomadic Brand 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 (Creative Zen Touch specific), TipExchange enabled (Yes) Integrated circuitry regulates output voltage specific to the Creative Zen Touch. 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. This Gomadic Battery Pack is uniquely designed to work with both standard (e.g. alkaline) and/or rechargeable AA batteries. The rugged composite design is built to last. This product is backed by our comprehensive Gomadic Lifetime Warranty.