Sourcingbay 6800mAh DC 12V Emergency Power Polymer Lith-ion Battery Pack for CCTV Camera US EU Plug - Blue 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.