HQRP Battery for Panasonic KX-TG2431W, KX-TG2432, KX-TG2432B, KX-TG2432W, KX-TG2620, KX-TG2620B Cordless Phone System plus Coaster HQRP&reg; Battery plus HQRP&reg; Coaster; Battery Voltage: 2.4V; Capacity: 850 mAh; Ni-Mh; Nickel Metal Hydride battery pack; Compatible with Original Battery; 200 Days Warranty.