BBtech 30000mAh Portable Solar Charger, Waterproof Dual USB External Battery Power Bank Shockproof Battery Panal Double USB Bank Backup Pack (Dark Green) Power Bank Solar Charger - Large capacity 30000mAh made of rechargeable grade A Li-Polymer cells, in compare to universal power bank ours combined power bank and solar charging functions which allows emergency charging via solar power especially outdoor hiking, camping etc. (Note: Highly recommend fully charged by electric source and that will be faster than solar power) Dual USB 1.0A/2.1A Max - With 2 Charging output allows you get two phones fully charged simultaneously, no pressure on charging iPhone 6 3 , iPhone 7 Plus/Galaxy S7 2 times, power your life all the time. Ultra Compact Portable Phone Charger - Physical size 5.4''(L)X3.0''(W)X0.75''(H)/0.29Kg, and convenient hook deign makes it very convenient to hang on your backpack - Best partner in your daily activities- Camping, hiking, traveling and shopping. Strong/Strobe/SOS LED Flashlight - There is 5-LED indicators keep reminding you the amount of power left and the status of charging. Meet an emergency: When you go outside or power cuts, you also can use your mobile phone with solar energy