The ArkPak 715 Portable Power Device is the perfect solution to power problems when you are on the move. Whether you are out for the weekend on the lake dry camping on your favorite fishing hole or just at the big game tail gating. The ArkPak 715 is the solution. We are now offering the new updated model that has been enhanced for optimum charging and powering performance. This clever portable power source charges at 4 amps for AC and DC, enabling the ArkPak 715 to power more devices than previously. Place a 12V battery of your choice inside, and the ArkPak becomes a 12V battery charger, a Portable Power Station, a Battery Management System and a Dual-Battery System all rolled into one.