Upgraded 4 In 1 X4 Battery Charger For Hubsan X4 WLtoys UDI JXD Syma Description: Item Name: X4 4 in 1 battery charger Voltage input: DC 5V Voltage output: 4.2V (+/-) 5% Current output: 350mAh - 410 mAh Features: For all 3.7V battery like Hubsan X4 U816 V939 V252 For all 7.4V JST plug battery like V959 V222 V262 V333 For all 3.7V 2.0 plug battery Charging 4 battery at one time Over charge protection for every charing port Short circuit protection Not including any batteries Compatible RC Quadcopter battery: Hubsan: H107 H107L H107C H107D Walkera: QR Ladybird U DI: U816 U816A U830 U817A U818A Wltoys: V202 V939 V252 V343 V959 V969 V979 V989 V989 V999 V212 V222 V262 V333 F939 F929 JXD: 385 388 392 Syma: X5 X5C MJX: X100 YIZHAN: X4 Package Included: 1 x X4 battery charger 1 x USB charging cable 4 x Charing cable X4-01 for F939 F929 4 x JST charing cable X4-02 for V959