Lenmar CB0511 Replacement Battery for Panasonic Kx-tg Series Cordless Phones Fits: AT&T 104, Panasonic KX-TG2237S, KX-TG2247, KX-TG2247S, KX-TG2257, KX-TG2257S, KX-TG2267, KX-TG2730, KX-TG2730S, KX-TG2740, KX-TG2740S, KX-TG2770, KX-TG5100, KX-TG5100M, KX-TGA2700S Replaces: General Electric GEJ-TL26400, GE-TL26400, Panasonic CS-P402CL, HHR-P402, HHR-P402A, N4HKGMA0001, P-P511, P-P511A, PQ 3.6V / 1200mAh Nickel-Metal Hydride 1 Year Warranty