Quadpro 4 in 1 X 4 Battery Charger for Syma X5c, X1, UDI 818a, Hubsan, DFD F180,m68 M68r(plus), Wl Toys Smart:4 charging plugs in the unit that can be charge 4 batteries atthe same time Voltage Spec:input- 5V&output-4.2V,Current output: 350mAh - 410 mAh Indicator lightsEach charging position has an indicator light, and the indicator light at that position individually tells you when the battery is charged.it gives you a positive indication when any given battery is fully charged, the LED for that port turns off and you know it is ready. Safety technicalShort circuit Protection with Over-Charge Protection (no need to babysit it) Compatible models and Configures:1 charger, 1 USB cables,4 converting cables, 4 in 1 Battery Charger for Hubsan: H107 H107L H107C H107D. Wltoys Charger : V202 V252 V939. UDI: U816 U816A U830. JXD Charger : 385 388 392. Syma Charger : X5 X5C.x5sw. FY Charger : FY310 FY310B . Holy Stone Charger: F180C M68 M68R(plus) M61 M62 M62R F180C F181 X300 X400 HS170 HS171 Quad . JJRC: 1000A 1000B 5000. DFD: F180.