Best Solar-powered LED Camping Lantern are charged in two ways, via solar power or a USB cable. It has 4 modes: High- Medium- Flash-SOS. Also real-time control of battery status timely charging, ready fo trouble.By the way, Built-in 18650 battery life for 6-12H, the metal hooks can be used as handles for easy transportation, and it is very convenient to hang the lanterns inside the tent. It is suitable for outdoor camping, or as a home power outage emergency light, night hurricane reading, etc.