The Battery Temperature Sensor mounts on a terminal post of a battery in a bank or on the side of a battery and measures its temperature. It sends precise information to the charger or charge controller, which automatically adjusts voltage to ensure full battery charge depending on the ambient temperature of your battery installation. Gives the user flexibility to set maximum charger output current Allows the charger to be powered on or placed into standby while AC power is connected Displays the current status of each battery or each battery bank