Stealth Cam delivers power, coverage, convenience and reliability to the max with the Revolver Lithium Rechargeable Battery Cartridge, part of the FieldMAX lineup of alternative power solutions. This 12-volt/5,400 mAh lithium-ion power pack keeps Revolver series cellular trail cameras operating for extended stretches afield, even in extreme conditions. Rechargeable via the included USB cable, it virtually eliminates the need for disposable AA batteries.