Charge the Sherpa 50 in 2-3 hours from wall, or 4-6 hours from car, or 5-10 hours from the included Nomad 13 solar panel * Sample run times: laptops 1-3 hours, tablets 15 plus hours * Bolt-on inverter converts Sherpa 50 into a wall plug (sold separately) * Compact, lightweight and rugged design * Includes Sherpa 50 recharger, Nomad 13, and wall charger