DieHard 500-Watt Lithium-ion Portable Power Station/Solar Generator (ESMDH2000201) EachLightweight, portable, lithium ion power station is equipped with 500 watts to power cell phones, laptops, CPAP machines, lights, fans and other devices while working on the go, camping, visiting the beach, tailgating, at a jobsite or during power outages. Power station features nine charging output ports, ensuring long lasting power for a variety of devices. Plug in an optional solar panel (not included) to generate true green power wherever you go.