24000Mah powerful enough to juice up your phone for several times. Dual USB port, enable to charge 2 different interface accessories. Great for outdoor use, like camping, hiking, cycling, traveling 4. Serves as not only an on-the-go charger but a handy flashlight in the dark. Brand-Oriented and High-Quality IP66 WATERPROOF Solar charger can be used in wet environments or rainy days, but can not put water into it. The solar charger will take 80 hours to be fully charged in the sunlight with the best conditions. Fully charging by outlet takes approximately 10 hours. DO NOT charge it all day nor overvoltage. For safety, Keep away from heat sources or high temperatures. Solar charging is a charging way for emergency use, and solar panel charging efficiency will be influenced by natural conditions and random factors.