HQRP 2 pack Phone Battery compatible with VTech CS6209 / CS 6209, CS6219 / CS 6219, CS6219-2 / CS 6219-2 Cordless Telephone + Coaster HQRP&reg; Two Rechargeable Batteries plus HQRP&reg; Coaster; Battery Voltage: 2.4V; Capacity: 850 mAh; Ni-Mh; Keep in touch with friends and family and never miss a conversation; Compatible with Original Battery; 200 Days warranty!