SolarBar features 4 or 8 solar panels that absorb and convert sunlight to the power you need for all your devices. It also comes with a detachable 10000mAh power bank that reserves the solar to charge your gadgets when there is insufficient sunlight. The power bank offers 10W Qi wireless and up to 18W QC3.0 charging to a maximum of 4 devices simultaneously. It has a built-in LED light that serves as a nightlight for emergency situations. SolarBar is rugged, portable and weather-resistant, designed to charge while you are on the move.