The 2000mAh Portable Mobile Power Supply Charger Black eliminate the traditional need of charger， charge your Mobile phone， digital (photo) camera， MP3， MP4， MP5， PDA， radio， portable CD， etc anytime anywhere during day time by using solar energy. Save power and protect the environment， keep you stay ahead of fashion. Good choice for you! Please note Charger Interface.                                    Features                Mobile power storage， portable for both in door and outside<br>    More than 8 hours aging test， excellent quality ensured<br>    Rechargeable from a USB port for more than 500times<br>    Perfect power supply for business trip， tranvel， field work， etc<br>    Fit for cellphone， MP3， PDA， console and other digital products<br>    USB port， plug and play， charge whenever and wherever<br>    Push-in foldable AC power plug， exquisite and durable， special for several types of digital devices in your family<br>    Repeatedly use of a single charge， portable design， convenient to carry<br>    Temperature &.Humidity: The working temperature of the product is preferably between - 10&#8451; and 45&#8451;.The relative humidity shall be equal to or lower than 85%.The product can still work normally under an atmospheric pressure of 86kpa to 106kpa<br>    Conditions for transportation and storage: The temperature shall be between - 10&#8451; and 45&#8451;<br>    and the relative humidity shall be equal to or lower than 75% for storage or transportation of the product.Too high or too low temperature and humidity may cause damage to the product and lead to faults.In particular， the product is subject to dangers of fires or explosion if the temperature is too high or it is placed near a fire source<br>                                                            Specifications                        Capacity     2000mAh / 3.7V    <br>          Input voltage     DC5.0V - 5.5V    <br>          Input current     Max 80OmA    <br>          Output voltage     DC5.5V + 0.2V    <br>          Output current     Max 600mA    <br>          Weight     about 61g (not including accessories)    <br>          Dimension     98 mmx52 mmx8.8mm    <br>          Charging time     About 4.5 hours    <br>          Cycle life     &#8805; 500 times    <br>          Color     Black    <br>                                                             Package Includes            1 x 2000mAh Portable Mobile Power Supply Charger Black<br>4 x USB-Interfaces<br>