* Provides 0.6A current charging for 4 slots Suitable for 14500/14650/16340/16650/17650/17670/18350/18490/18500/18650/18700/22650 /20700/21700/22700/25500/26650/26700 Li-ion battery. * Capable of charging 4 batteries simultaneously * Automatically stops charging when complete * Features reverse polarity protection * Power saving mode * Built-in reverse polarity protection * Designed for optimal heat dissipation * OV Activation function can revive and charge the “dead” batteries * USB cable included