Lenmar Replacement Battery for Panasonic KX-TG3031 KX-TG3521 KX-TG6021 KX-TG6021M KX-TG6051 KX-TG6051M KX-TG6052 KX-TG6052B KX-TG6071 KX-TG6071M KX-TG6072B KX-TG6074 Replaces OEM Panasonic HHR-P107 HHR-P107A/1B Type 35 Fits: Panasonic KX-TG3031, KX-TG3521, KX-TG6021, KX-TG6021M, KX-TG6051, KX-TG6051M, KX-TG6052, KX-TG6052B, KX-TG6071, KX-TG6071M, KX-TG6072B, KX-TG6074B, KX-TGA300, KX-TGA300B, KX-TGA600 Replaces: Panasonic HHR-P107, HHR-P107A/1B, Type 35 3.6V / 700mAh Nickel-Metal Hydride 1 Year Warranty Fits Panasonic KX-TG6023M and KX-TG6052B cordless phones Replaces HHR-P107 battery Rated at 3.6V and 650mAh Nickel-Metal hydride technology for long battery life 1-year warranty