HQRP Phone Battery 2-Pack for V-Tech gz2439 gz2456 gz2457 gz2459 gz5838 5838 ia5824 5824 ia5847 5847 ia5863 5863 ia5870 5870 ia5878 5878 ia5882 5882 ia5890 5890 Cordless Telephone + Coaster HQRP&reg; Two Rechargeable Long Lasting Batteries plus HQRP&reg; Coaster; Battery Voltage: 3.6V; Capacity: 350 mAh; Ni-Cd; Keep in touch with friends and family and never miss a conversation; Compatible with Original Battery; 200 Days warranty!