It can charge 3 battery, 1 remote controller (USB port) and 1 smart phone (USB port) simultaneously.
Maximum 4.5A current output means rapid charging. Charging time is around 60-80 minutes for either just charging 1 battery or 3 batteries.
Intelligent temperature control: when temperature rise up, fan will speed up automatically. (when controller in charge only, fan will not operate since current is low. If temperature of the battery is too hot after discharge, charging will stop till temperature back to normal)
Gold plated charging ports ensure long service life. Aluminium shell material. LED indicator for charging status, Red - in charging; Green - completed.
Safe to use: it comes over charged protection, over heat protection, over current protection, overvoltage protection, short circuit protection.