The ABD-4120 is designed to use with high power Manson Battery Chargers which have remote terminal socket.
Its LED indicators show the real time charging stage: Bulk, Absorption and Float of the charger. The Fault LED warns
protection circuit such as over load, over temperature, short circuit has been triggered.
The LCD display shows the charging voltage or the battery voltage without the influence of the charger when
The Output on-off switch at the control panel isolates the charger output to the battery when in Off position. In this
mode, the LCD display can also be set to read voltage of each of the two batteries connected to the charger.
The LCD can be lit by a back light switch when needed.