The 2pc Panasonic HHR-P104 3.6V NiMH Cordless Phone Replacement Rechargeable Battery set includes two high-quality batteries designed for Panasonic cordless phones. These CR-Type batteries have a voltage of 3.6V. With an amp hours of 0.83, these batteries offer reliable power for your devices. The NiMH chemical composition ensures extended battery life and energy efficiency. Ideal for use with mains chargers, this Panasonic battery set is a practical and reliable choice for keeping your cordless phone powered up.