GEILIENERGY 3.6v 600mAhCordless Home Phone Rechargeable battery for Uniden BT-905 BT905 BT-800 BP-800 BP-905 (Pack of 4) 3.6 Volt 600mAh Ni-cd Rechargeable (Type: AA*3 Batteries) Over-voltage, over-current, over-charge, and short-circuit protection & Best wire Length for the space Same power as the original ones, high capacity Made with the high quality materials. Long running time. Choose one better than buying new phone