LENMAR CB0107 Panasonic(R) KX-TG Series Cordless Phone Replacement Battery 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-TG6074 Replaces Panasonic HHR-P107, HHR-P107A/1B, Type 35 3.6V / 700mAh NiMH 1-year warranty