BTS – Battery Temperature Sensor
With 32.8 Feet (10M) of Cable
Applying the proper charge voltage is critical for achieving optimum battery performance and longevity. The ideal charge voltage required by batteries changes with battery temperature.
The Battery Temperature Sensor (BTS) allows the charge controller to continuously adjust charge voltage based on actual battery temperature.
Temperature compensation of charge voltage assures that the battery receives the proper charge voltage as battery temperature varies.
The entire line is equipped with Battery Temperature Sensing for increased charging precision.
The BTS sends precise information to the charger, which automatically adjusts voltage to help ensure full battery charge depending on the ambient temperature of your battery installation.
When the battery voltage is over 104F (40C), it will reduce the charging voltage by 0.1Vdc with every degree of temperature rise.
We recommend that you install Battery Temperature Sensors on all banks to protect your batteries and to provide optimal charging of each bank.
The Battery Temperature Sensor mounts on the side of a battery or any other location where the precise temperature of the battery can be detected such as battery mounting racks.
Important: If the battery temperature is allowed to fall to extremely cold temperatures, the Inverter with a BTS may not be able to properly recharge cold batteries due to maximum voltage limits of the Inverter. Ensure the batteries are protected from extreme temperatures.
The following table describes approximately how much the voltage may vary depending on the temperature of the batteries:
Inverter Condition | Temperature on BTS | Charger Operation |
Charger Mode | BTS >122F (50C) | Automatically turns off charger |
BTS <104F (40C) | Automatically turns off charger |
Inverter Mode | 104F (40C) < BTS < 122F (50C) | Increases the low voltage shut down point by 0.5Vdc |
BTS >122F (50C) | Over Temp Fault |
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