Efest LUC Blu4 battery charger for vapor product batteries.
Efest LUC Blu4 Battery Charger
Multifunctional charger with Bluetooth innovation. The Efest BLU4 is a high-end intelligent charger that supports unique iOS and Android Apps . The large LCD screen displays battery voltage and the charging mode of each slot. Four slots work independently using features such as reverse polarity, short circuit and over charge protection. The LUC BLU4 is compatible with a wide range of 3.6V/3.7V lithium batteries used in electronics cigarettes, flashlights, electric tools, instruments, meters and more.
4 kinds of protection as over-discharging, over-voltage, short circuit, and reverse polarity protection.
Auto-stop when fully charged and auto-recharge when voltage is less than 4.1V
Activation function: Blu4 can activate the low voltage batteries >0.6V