UL956 - Ni-MH 2 AA w/Mitsumi, 2.4 Volt, 1500 mAh, Ultra Hi-Capacity Battery - Replacement Battery for Panasonic HHR-P506, Type 17, Uniden BT-904, Radio Shack 23-960 Cordless Phone Battery Replacement Battery for Panasonic HHR-P506, Type 17, Uniden BT-904, Radio Shack 23-960 - Ni-MH 2 AA w/Mitsumi, 2.4 Volt, 1500 mAh. 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark