Powerdriver&reg; 4 Pcs Rechargeable Cordless Home Phone battery for Panasonic HHR-P107 HHRP107 HHR-P107A HHRP107A KX-6051 KX-6053 KX-6054 KX-6071 BB-GT1500 BB-GT1540 BB-GT1540B BB-GTA150 BB-GTA150B BB-GT1500B Low power consumption IC design. Compatible with original manufacturer equipments and chargers. High quality and reasonable price; More durable and more environmental. It has the function as same as original battery, but it is more of tangible benefits. Voltage: 3.6V. Capacity: 800mAh. Color: Fruit Green. Chemistry: Ni-MH