solar power bank portable charger 20000mah waterproof battery backup charger solar panel charger with dual led flashlights and compass for all cellphones, tablets, and electronic devices errbbic <br><b>errbbic 20000mah waterproof portable cellphones external backup battery pack powered bank</b><br> <br>brand new and high quality. <br>stylish, portable, user-friendly and durable for on the go use. <br>high capacity,solar powered, environmentally-friendly. <br>emergency charger for cell phone and other compatible devices.<br>dual usb port, enable to charge 2 different interface accessories<br>2 led lights create more convenience for travel<br> <br><b>specification: </b><br>battery type: li-polymer battery <br>capacity: 20000mah <br>solar power: 1.5w <br>input: micro usb 5v/1a <br>output: usb1: 5v/1a(for cell phones); usb2: 5v/2.1a (for ipad) <br>size: 132 x 80 x 17mm <br>weight: 380g <br>color: blue & black<br> <br><b>kind note: </b><br>1. in order to fully activate the battery, please charge it via outlet or computer for 10 hours at least at the first 2-3 uses. <br>2. the energy transformation from solar to electricity is rather slow and the solar charging speed is subject to sunlight intensity and panel conversion rate. in daily life, we highly recommend charge it via wall outlet. <br>3. fully charging by outlet takes approximately 10 hours. do not charge it all day nor over voltage. <br>4. for safety, do not leave the power bank charging in car in case of high temperature and avoid crashing. do not make charge while charging itself.<br> <br><b>package included: </b><br>1 x 20000mah solar charger(with compass) <br>1 x usb cable <br>1 x manual <br>1 x carabiner