Brand new and high quality. Specially designed for the system devices which use 12V power. Built-in ON/OFF switch to save power usage. Super storage capacity. Large mah value means long battery life. Over-charge/discharge protection. With working indicator. Suitable for all 12V devices. You can use this battery to power our powerful wireless transmitter, CCTV camera and so on . Suitable for your need. Descriptions: It is specially designed for powering the system device which use 12V DC power. You can use this battery to power our powerful wireless transmitter, CCTV camera and so on . Suitable for your need . Specifications: Color: Blue Weight:162g Capacity: 4800mAh & 6800mAh Size: 115x62x21 (mm) Built-in ON/OFF switch to save power usage Input voltage: 12.6V Output voltage: 10.8~12.6 DC Product life: Circulation charge and discharge ≥500 times Package includes: 20x 4800mAh Rechargeable Lithium-ion Battery 20x 6800mAh Rechargeable Lithium-ion Battery