Holy Stone 5 in 1 Max 2.5A Current Input Fast Battery Charger for X5C, 818a,X1,X4,HS170,X300,X400,F181,F180 Quad Copter CAPACITY: Fast Battery Charger, Charging 5 Batteries at the same time CONVENIENCE: USB Port Connected with Computer or Adapter(Android or iPhone adapter) INTELLIGENCE: Charging Indicator Light Showing the Charging Status SAFETY: Over Charge Protection and Short Circuit Protection Function NOTICE: Max Current Input:2.5A; Safe Current Output:500 mAh