4 Pack Home Cordless Phone Replacement NI-MH Battery For Uniden BT-905 BT905 BP-800 BT-800 BT800 Panasonic PP501 3.6V 2000mAh NI-MH Rechargeable/Replacement Battery, Voltage: 3.6V, Capacity:2000mAh Designed to meet or exceed performance of original battery Package: 4 X Battery