EBL BT-446 4 Pack Upgrade Capacity Cordless Phone Battery 1000mAh 3.6V Ni-MH Replacement Rechargeable Battery for Uniden Cordless Phone BT-446 BT446, BP-446 BP446, BT-1005 BT1005, TRU8885, TRU8885-2 Compatible with Uniden BT-446 Ni-MH 3 AAA 3.6.V, 1000mAh Battery High quality cell - Ni-MH battery has no memory effect, can be charged and used anytime Package included - 4 pack EBL BT-446 rechargeable cordless phone batteries Still maintain 85 percent of capacity after 1 year of non-use