... (4) Emergency Cellphone Charger OEM Brand F-0770 Energy Solar Saving LightFunction: LED solar Camping light Perfect for camping, outdoor, reading, climbing, ... Rechargeable Lithium Battery7. Power source: Solar panel Mini USB charging8. Mini USB Charging time: about 2 hours9. Solar Panel Charging time: 8-10 ... Unit size: 123*85*73.5mm13. Weight: 85g Waterproof LED Solar Lamp,Emergency Dynamo Flashlight