The Cyclops Solutions Compact Solar Charging Device is a portable USB charging device convenient for camping, travelling and outdoor activities. This charger will power your MP3 players, cell phones, tablets, GPS, cameras and other portable electronics. It has a slim design and is lightweight making it easy to take with you on the go. It has a Grade A Lithium Battery, which is maintained by the solar panel. You can charge it in 3 ways: by AC, by USB or from the sun using the integrated Amorphous solar panel. It has an AC to DC adapter with UL certification.