Gomadic Advanced Coby KYROS MID8042 MID8048 MID8127 compatible AA Battery Pack Charge Kit &ndash; Portable power built with upgradeable TipExchange Technology Integrated circuitry regulates output voltage specific to the Coby KYROS MID8042 MID8048 MID8127. 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 (Coby KYROS MID8042 MID8048 MID8127 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. Easy to operate. Simply insert batteries, toggle on/off switch and your Coby KYROS MID8042 MID8048 MID8127 will start to charge. Internal circuit designed to protect your Coby KYROS MID8042 MID8048 MID8127 from power surges, overcharging and short circuiting.