The ACCU-R6/2000-EG is an industrial grade rechargeable battery cell manufactured by Energizer. It is a cylindrical design with a nominal capacity of 2000mAh and a low self-discharge rate of 1% per year. This battery is capable of withstanding extreme temperatures, high current pulses, and is designed to last for up to 1500 charge cycles. It is designed for use with a variety of high-drain electronic devices such as LED flashlights, digital cameras, cordless tools, and portable medical devices.