Fashion outlet Super Power DC 12V Portable 6800mAh Li-ion Rechargeable Battery Pack This Rechargeable battery is a 12 V 6800mah Li-ion Battery 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 Built-in ON/OFF switch to save power usage Capacity:6800mAh.