S-3602F has 2 charging channels, with DC 8.4V, 2A charging output for each channel, and can charge 2 batteries simultaneously. The 4-level LED charging indicators are provided for each channel, which indicate the real time capacity by percentage when charging. SWIT charger can identify different chemical types of batteries, and provide the correct charging program, to protect the batteries from over current, over charging, high temperature, etc.