AT&T-Lucent EL50013 Cordless Phone Battery 2xAAA Ni-MH 750mAh/J CONNECTOR - Replacement Battery Replacement Battery for Rechargeable - Ni-MH 2xAAA J connector, 2.4 Volt, 750 mAh. 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark