Solar Charger X-DNENG 5000mAh Portable Charger Battery Backup Power, Solar Battery Charger with LED Lights Dual USB Port for Cell Phone-Yellow Compact design with a same size as an iPhone 6 and a handy hook, Small and Portable, easy to hold in hand and hang on backpack. Perfect for hiking, climbing and other outdoor activity, For long trip, hiking, You can charge full for it , when Its power is run out, you can hang it in the backpack, as long as there is sunshine, he would have been automatically charge High Capacity--Build-in 5000mAh Lithium Polymer battery. Solar energy technology, the item could charge itself under sun for emergency, Grade A cell, Build-in Output allows for simultaneous charging of your devices at high speed Dual USB Charger Ports--2.1A output charge TWO devices at once! Charging one device output is 2.1A, and charging two devices simultaneously both USB ports are 1 amp LED Flashlight--Press the on button twice to turn on the LED. They're great as a flashlight or as emergency lighting in darkness, Compact, portable & stylish design; Easily fits into your bag to provide instant power; Football grain design has anti-skid protecting effect NOTE: Please do not place it on over-heated place for continuous charging. It is with built-in Polymer battery, one of the safest battery in the world, which are not possible to explode even over-heated, it just swell up , This is the most secure