NiMH 600mAh Prismatic Rechargeable Battery. Part No. RB602.Power: 1.2V 600mAh Nickel Metal Hydride.Size: 17mm x 34mm x 6mm.Brand: Prismatic.Equivalent to: H600-4/5F6.These are suitable to replace similar Sanyo and Panasonic batteries and others.We have been supplying appliance parts to the trade and retail for over 25 years. Buy with confidence.