TurboTech 3.7V 4 In 1 Battery Charger for Syma X5C, X5SC, X5SW, Hubson H107L RC Quadcopter Drone Compatible RC quadcopter battery: Eihi S20C, S900R, S19R. Hubsan: H107 H107L H107C H107D. Wltoys: V202 V252 V939. UDI: U816 U816A U830. JXD: 385 388 392. SYMA: X5 X5C X5SC X5SW. Charger Voltage input: DC 5V; Voltage output: 4.2V  5%; Current output: 350mAh - 410 mAh Charging 4 battery at one time, Over charge protection, Short circuit protection Not including any batteries