This covert battery pack is high-powered, ultra-compact, and comes complete with a charger. Provides the same power as much larger batteries at a fraction of the size and weight. You can power standard 12v cameras for up to 10 hours on a charge. Battery pack has an on/off switch to control power consumption. Input: 12.6VDC, Output: 12.6-10.8VDC 4500mAH.