Empire quality replacement for Empire CPH-470 Cordless Phone Battery Replacement For 3 AAA -V-Tech 80-4289, 80-4308, 80-4309, IBM BAT1100B 600mAh Replacement Battery for V-Tech 80-4289, 80-4308, 80-4309, IBM BAT1100B - Ni-MH 3 AAA, 3.6 Volt, 750 mAh. 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark