■ Automatic Charging 
    Up to Max. 3A will be charged, and if it is closed to full charging voltage (26.4V), current will be decreased to 10~20mA to maintain the charging status when it is fully charged.
■ Volt/Ampere Meter
    Voltage and current of battery will be checked through front LED display.
■ Monitoring Charging Status
    The status of charging voltage and current can be monitored through Windows programs.