Axiom 4-Pack Rechargeable Battery For BT1018 / BT1022 / BT1011 / BT183348 / BT18432 / BT283348 / BT800 / BT6010 / BT84342 / BY0736 / CBD8006 Long-Lasting Axiom Ni-MH Rechargeable Battery Capacity(Power): 850mAh Over-voltage and Short-circuit Protection No Memory Effect Package Includes: 4x Axiom Cordless-phone Batteries