Make outdoor power supply easier with our LC-16800mAh Portable USB Solar Power Bank Charger External Battery for Cellphones! The solar energy power bank provides you with multiple protection， for it is composed of new polymer batteries， new PCBA board and imported IC which comes with overcharge and over-discharge protection. It is compatible with a variety of mobile devices such as iPhone， iPad， PSP， cameras and so on. Furthermore， the power bank is equipped with 4 cell battery indicator lights (25%， 50%， 75%， 100%) to show you correct battery status anytime. Right decision for you!                                    Features             Custom polymer batteries， new PCBA board， imported IC with overcharge， over-discharge protection， provide multiple protection for your safety<br> Compatible with a variety of mobile devices such as iPhone， iPad， PSP， cameras and so on<br> Taiwan imported polycrystalline silicon solar panels with surface treatment， efficient absorption of sunlight， 99% conversion into electrical energy storage， and then safely add power to your mobile device<br> 4 cell battery indicator lights (25%， 50%， 75%， 100%)， show you battery status anytime<br> 16800mAh large capacity solar energy power bank， great for both outdoor and indoor use   <br>                                                            Specifications             Colour     Blue    <br> Material     Polymer    <br> Solar Power     1.5W    <br> Battery Capacity     16800mAh    <br> Output Voltage     DC 5V    <br> Output Current     2.1A    <br> Input Voltage     DC 5V    <br> Input Current     1A    <br> Input Interface     Micro    <br> Output Interface     USB 2.0    <br> Dimensions     (5.24 x 3.31 x 0.75)" / (13.3 x 8.4 x 1.9)cm (L x W x H)    <br> Weight     8.29oz / 235g       <br>                                                             Package Includes            1 x Power Bank<br>1 x USB Cable<br>