Min. Order:  
10 Piece
                Price:  
US$ 50
                 Place of origin:  
China
                 
            external batter y when the mains power convert er to the device. 
Builtin automatic charger features three sections:Section I: using the maximum constant current fast charging, so as to enhance the UPS backup power. 
Section II: gradually be converted to constan t voltage of the battery is fully charged to give sufficient time for cells to absorb energy and protect the electrode 
to extend the li
                [Related Keywords : power inverter, solar system, UPS, battery charger]