You may be confused about what kind of power bank at the market you can rely on when you are going to buy a reliable one. Now with this LC-2188 1200mAh Portable USB Solar Power Bank Charger External Battery for Cellphones， all of your unnecessary concern can be solved! Adopting high quality aluminum alloy shell and with up to 15-17% solar energy conversion rate， our product guarantees sufficient power supply and long battery life. 1200mAh battery capacity could meet your daily demands perfectly. Also， it’s perfectly designed with automatic charging protection to prevent overcharge !#!amp!*! overdischarge. A portable and handy assistant for all kinds of people on the go! Contact us right now!                                    Features             Adopt polycrystalline silicon solar panels to offer 15-17% solar energy conversion rate<br> Aluminum alloy shell， luxury and elegant<br> Suitable for MP3， MP4， PSP， mobile phone and so on<br> 1200mAh capacity， could be rechargeable under the sunshine or light in the room<br> With automatic charging protection to prevent overcharge & overdischarge<br> Designed for all the people on the go and engaged in field operation or in the areas short of power supply<br> If the cable that comes with this product does not have the port you need， please use your device’s original cable， as it is also compatible with this product   <br>                                                            Specifications             Colour     Black    <br> Material     Polymer    <br> Battery Type     Lithium-ion Polymer Battery    <br> Battery Capacity     1200mAh    <br> Input Voltage     5.0V-+0.02    <br> Output Voltage     5.0V-+0.02    <br> Maximum Output Current     DC 600-800mA/H    <br> With Battery Indicator     4 LED    <br> Dimensions     (3.74 x 1.69 x 0.47)" / (9.5 x 4.3 x 1.2)cm (L x W x H)    <br> Weight     2.08oz / 59g       <br>                                                             Package Includes            1 x Charger<br>1 x Cable<br>1 x User Manual<br>1 x Pack of Adapter<br>