Solar Power Bank DIY Kit, 20000mAh Portable Solar Charger Assembling Kit for Cell Phone Tablets Camping, Dual USB External Backup Battery Charger with LED Flashlight for Emergency(Green)

【Notes】 This is an assembly kit for the Polar Power Bank, not a finished product, and you need to install it yourself. This powerband must be used with 606090/ 909060/ 7565121 polymer batteries, batteries not included. 【20000mAh Large Capacity】This is a 20000mAh large capacity portable solar power bank DIY kit that can charge mobile phones quickly and safely. It efficiently converts solar energy into electricity and stores it in batteries for use throughout the day. 【Dual USB Output】Charger Power Bank provides dual USB ports, you can easily charge two devices at the same time, or share this backup power with family or friends. It also supports solar fast charging, which is safe and environmentally friendly, and is suitable for outdoor activities such as sports and travel. It is recommended to use a socket to charge before traveling and use solar charging as an alternative. 【Fast Conversion Rate】Mobile Power Bank has built-in monocrystalline solar panels to ensure a fast conversion rate from solar energy to electrical energy. And it is very power-saving. When your device is fully charged, the mobile power supply will automatically stop power output and enter a low-power state. 【Safe Charging, Wide Compatibility】Portable Power Bank can comprehensively protect your mobile phone from overcharging, overtemperature, overvoltage, overload, and short circuit. Completely suitable for most types of smart phones, tablets, iPads, cameras and other DC 5V powered digital products. 【Satisfactory After-Sales Service】We have comprehensive after-sales service and provide you with 180 days money back and 12 months warranty. If you encounter any problems, you can contact us at any time. If you are still satisfied after using it, you can also consider us if you have other product needs in the future. We will make your purchase more assured.