A great power helper for your daily use!<br>The 4850mAh Digital Mobile Power Charger Red eliminate the traditional need of charger， charge your Mobile phones， digital (photo) camera， MP3， MP4， MP5， PDA， radios， portable CD， etc. Save power and protect environment， keep you stay ahead of fashion. Good choice for you! Please note Charger Interface.                                    Features            New and high quality<br>Built-in Li-ion Battery<br>Large batter capacity. 4000mAh， 3 ~ 5 times as large as common cellphone battery<br>Excellent charge performance. Can reach to 70 - 80% of full capacity after 500 times charge-discharge circulation<br>Intellegent self-protection system， protect the battery from overcharge， overdischager and overcurrent<br>Easy to charge with data cable<br>                                                            Specifications                        Input          DC5.0V 650mA        <br>          Output          DC5.4V， 500mA        <br>          Battery          Li-ion battery 4000mAh        <br>          Size          3.9" x 2.4" x 0.5"        <br>          Weight          125g        <br>          Battery longevity          More than 500 times charge-discharge circulation        <br>          Self-discharge                                  Package Includes            1 x 4850mAh Digital Mobile Power Charger Red<br>                                                            Extra Info            Note: 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.