Mr.Gadget's Solutions DBC-800D Replacement Battery for Phone Easy 6520, 3.7V Batteries are suitable for Easy 6520,6050,6526,6030,6620,500, 506, 508, 509, 510,500GSM

High Capacity Battery: Features a 800mAh capacity and 3.7V output, providing extended usage time for longer talk sessions, more texting, and greater standby time. Ideal for users who need dependable power throughout the day. Reliable Li-ion Technology: Manufactured using high-quality Lithium-Ion cells, this battery offers consistent power output, longevity, and stability, keeping your Doro phone running smoothly. Safety First: Built with advanced safety features, including protection against overcharging, overheating, and short-circuiting, to safeguard both the battery and your phone. Provides peace of mind with every charge. Easy Installation: No tools or technical expertise required. Easily replace your old or depleted battery by simply swapping it with this new one, restoring your phone's battery life to optimal levels. Lightweight and Compact: The compact and lightweight design makes this battery easy to carry in your pocket, bag, or purse. Perfect for travel or as a backup power source in case of emergencies.