The Rucksack Enhanced Portable Power System (REPPS) is a state-of-the-art, lightweight, portable power system capable of recharging batteries and / or acting as a continuous power source. REPPS is intended for those users that require a lightweight and highly portable rechargeable battery system or a continuous power source. Special Operations Forces, Military Intelligence units, Ranger units, and Forward Observers are the intended users, but the system could be used by any war-fighter requiring this capability.