HyperPS - PS4000 Black - Solar Panel Charger 4000mAh Rain/Shock/ Dust Resistant Portable Backup Power Bank Dual USB Output, Fits Most USB-Charged Devices rainproof, Dust-proof and Shock-Resistant. Perfect for outdoor activities Eco-friendly & High Capacity - Transforming environmental friendly solar energy into the build-in 4000mAh Lithium Polymer battery of power bank. Battery can reliably be charged over 1000 times Dual USB Charger Ports - 2.0A output charge TWO devices at the same time. Charging one device output is 2.0A, and charging two devices simultaneously both USB ports are 1A output Small and Portable - Compact design and comes with a handy carabiner hook, you can easily hang it on backpack LED Flashlight - Press the on button twice to turn on the LED which is great working as a flashlight or as emergency lighting in darkness