Where there is light, there is power. Poweradd™ - Power your life Poweradd™ Apollo series solar charger combines portable charger and solar energy technology together. High capacity? Portability? Charging speed? Charging the external battery anywhere without power supply? Get all 4 with this Poweradd™ Apollo2 now. Specification: Battery Type: Li-Polymer cell with solar panel Capacity: 10000mAh/37Wh Input: 5V/1.5A Output: USB1: 5V/1A; USB2: 5V/2.1A Solar Charger: 5V 200mA (max) Size: 6.02*2.95*0.67inch Weight: 9.38oz FAQ & Trouble Shooting 1. What if the Apollo2 fails to charge? Please check the adapter connection is secure or not. If the adapter does not function normally, please replace it or use your original data cable. 2. I connected my phone to the Apollo2, but seems no output, why? Please long press the power button around 3s to turn on the charger, then it"ll charge your device. 3. My Apollo2 stop working after several times use, why? Apollo epuipped with safety protection system, improper use may activate the protection system, which leads to your Apollo stop working. Please turn off the Apollo and give it a fully charge, problem will be solved. Warranty Policy: 12 months worry-free product guarantee from Poweradd™. Proffessional technical support, Efficient and always satisfied customer service all the year round.