ERRBBIC Solar Power Bank, Portable Charger 38800mah, Waterproof Battery Backup Charger, Solar Panel Charger with Dual LED Flashlights, Suitable for Outdoor Camping Travel

High Capacity: Built-in 38800mAh high-capacity polymer battery equipped with a compact solar panel, which could recharge the battery itself under sunlight, eco-friendly and ideal for out of doors activity.
Dual USB and Powerful LED Light: Makes it easy to charge two smartphones concurrently or a tablet at full speed. 2 led lights can be utilized as flashlights with Steady-SOS-Strobe mode. Five pilot indicators show the status of the battery charger timely. The green light is on when charging by solar, blue light is on when USB charging.
Superior Portability Design: Easily hang it for your backpack with the carabiner, hands-free on the go. Build-in Lithium Polymer battery cells, anti-explosion, lightweight, compact and reliable.
Universal Device Compatibility / Dual USB Port: Creative solar phone charger compatible with smartphones, tablets and other electronic devices and charge 2 devices on the same time.
Kindly Note: External battery charger with solar panel can recharge by solar or outlet. But please don’t take solar as a main power source. It is subject to sunlight intensity and panel conversion rate, which might take a very long time to charge.