Easy to charge your battery without the phone， this Movable Contacts Universal Battery Charger White is a necessary device on your office desk or at home. Such Battery charger is great partner for you as a backup battery charger! This mobile phone charger featuring quick charge with automatic constant current control prevents battery from overcharging， short circuit， and electronic shock， preserving your battery&acute;s life span.                                    Features                New Battery Charger<br>    High quality battery charger is a handy companion for your cellphone<br>    Quick charge with automatic constant current control prevents battery from overcharging， short circuit， and electronic shock<br>    Smart LED indicator shows charging status<br>    NOTE: For a successful and safe charge of your battery， make sure to correctly align polarity ( positive / negative) before placing battery into charger<br>                                                            Specifications                        Input voltage     AC220V&#177;30V 50Hz 0.1A MAX    <br>          Output voltage     DC 4.2V&#177;0.1V， 300mA&#177;40mA    <br>          DC / USB     6.2V&#177;0.5V 400mA&#177;40mA    <br>          Dimension     3.62 x 2.05 x 1.14 inch / 9.2 x 5.2 x 2.9 cm    <br>          Weight     2.08 oz / 59 g    <br>                                                             Package Includes                1 x Movable Contacts Universal Battery Charger White<br>