Axiom 2Pack Rechargeable Battery For V-Tech CS6209, CS6219, CS6219-2, CS6219-3, CS6219-4, CS6229-2, CS6229-5 Long-Lasting Axiom Ni-MH Rechargeable Battery Capacity(Power): 850mAh Over-voltage and Short-circuit Protection No Memory Effect Package Includes: 2x Axiom Cordless-phone Batteries