This Gomadic Battery Pack is uniquely designed to work with both standard (e.g.
Specification: Input Voltage (4 X AA Batteries) Cable length (6 inches) Dimensions (5.0 X 1.5 X 0.75 inches) Circuit Design (Sandisk Sansa Fuze specific) TipExchange enabled (Yes).
Built using the unique Gomadic TipExchange Technology that protects your investment by providing the ability to upgrade charging ports by simply swapping physical connectors.