EM-NMH-2/AAA - Ni-MH, 1.2 Volt, 1000 mAh, Ultra Hi-Capacity Batteries - Replacement Pack of 2 Batteries for Cordless Phone Replacement Batteries - Ni-MH, 1.2 Volt, 1000 mAh. This Battery is fully Compatible with the original battery 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark