GP GP30AAAMECRMS Cordless Phone Battery 1X3-2/3AAA/B - 3.6 Volt, Ni-MH 350mAh - Replacement Battery Replacement Battery for Rechargeable - Ni-MH 1X3-2/3AAA/B, 3.6 Volt, 350 mAh. 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark