4PCS NI-MH AAA Rechargeable Battery, 1.2V 550mAh Battery for Panasonic Cordless Phone, HHR-55AAABU Replacement BatteryBattery Type: Ni-MH AAA Rechargeable battery Voltage: 1.2V Capacity:550mAh Color: Yellow Quantity:4pcs Fit for Panasonic Cordless Phone HHR-55AAABU Replacement Battery for Panasonic Cordless Telephones Works for almost all Panasonic..