Need to use electronic device but it is running out and unable to get it charged timely? With this 12800mAh Square Shape Solar Energy Portable Power Source you will not have to worry about that anymore! It is a power bank with large capacity to supply your device， and is portable with compact size and light weight. The polished surface and square shape is fashionable， bringing you pleasant using experience and showing your flavor for fashion and life. Moreover， adopting high-level components it is both high-efficient and eco-friendly， very reliable! Get one to make your life more convenient! You won’t regret it!                                    Features            Large capacity to supply sufficient power for your deviceCompact size and light weight for easy carrying， very convenientPolished surface with exquisite workmanship， upscale and appealingSquare shape to show fashionable appearanceSolar energy design， very eco-friendlyAttached with a USB cable for quick and easy applying                                                            Specifications            Battery Type    Lithium Polymer    <br>Battery Capacity    12800mAh    <br>Solar Panels    1.5W    <br>Input    DC 5V， 1A    <br>Output    DC 5V， 1A / 2.1A    <br>Operation Temperature    0℃~45℃    <br>Dimension    (6.06 x 2.91 x 0.51)" / (15.4 x 7.4 x 1.3)cm (L x W x H)    <br>Color    White    <br>Weight    7.34oz / 208g    <br>                                                            Package Includes            1 x Solar Portable Power Source1 x USB Cable                                                            Extra Info            You could not charge the battery and charge the solar charger at the same time. Please fully charge the solar charger with the sun or computer first， then connect the solar charger with your phone to charge the phone battery<br>