Powered by solar， the 30000mAh Lithium Polymer Battery Outdoor Mobile Power Bank lets you charge your phone in an eco-friendly way. This power bank is built with a solar charging board that captures solar energy to charge your USB-enable devices. 30000mAh high capacity offers enough power for long runtime. Compact design adds to the ease of transport. It uses a rapid input charging system which is twice as fast as normal charger. Perfectly fit for iPhone， Samsung and Xiaomi devices. Isn’t it brilliant and cool? Don’t hesitate to order right now!                                    Features            Built-in solar panel absorbs the natural sunshine to recharge itself and gives fast charging for your devicesSolar charging board captures solar energy to charge your USB-enable devices30000mAh high capacity offers enough power for long runtimeSturdy design， ideal for outdoor usesCompact and lightweight， easy to carry                                                            Specifications            Brand    Cwxuan    <br>Material    Monocrystalline Silion Solar Panel + ABS    <br>Color    Black    <br>Input Voltage    5V    <br>Output Current    2.1A    <br>Output Voltage    3.7V    <br>Power    3W    <br>Battery    30000mAh Li-polymer Battery    <br>Compatible with    iphone/ipad/ipod/samsung/other cellphone/tablet    <br>Dimensions    (6.18 x 5.67 x 0.43)" / (15.7 x 14.4 x 1.1)cm (L x W x H)    <br>Weight    12.7oz / 360g    <br>                                                            Package Includes            1 x Power Bank1 x USB Charging Cable (30cm)