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BATTERY TEMPERATURE COMPENSATED VOLATGE SET POINT
The temperature of a battery has an impact on the recharging process—in higher ambient
temperatures, the regulation set points (Absorb & Float) need to be reduced to prevent overcharging
of the batteries. In lower ambient temperature conditions, the voltage regulation set points need to be
increased to ensure complete recharging of the batteries.
The default charger settings of the MX60 are based on typical lead acid battery systems. Always ensure
that the Absorb & Float voltage regulation set points are set to the recommended battery manufacturer’s
recharging regulation voltages.
Non-Battery Temperature Compensated System
If a battery remote temperature sensor is not available the Absorb and Float voltage regulation
set points can be adjusted for the expected weather conditions. The following table shows the
appropriate adjustments for both Absorb and Float voltage regulation set points for weather
conditions above or below 77˚ F / 25˚ C
EXPECTED TEMPERATURE ADJUST SETPOINT 12 V 24 V 48 V
Average = 95˚ F / 35˚ C Subtract 0.30 V 0.60 V 1.20 V
Average = 86˚ F / 30˚ C Subtract 0.15 V 0.30 V 0.60 V
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Average = 68˚ F / 20˚ C Add 0.15 V 0.30 V 0.60 V
Average = 59˚ F / 15˚ C Add 0.30 V 0.60 V 1.20 V
Battery Temperature Compensated System
A battery remote temperature sensor (RTS) will automatically compensate the Absorb & Float voltage
relative to the Absorb and Float set points in the Charger menu. Please reference page 38 of this
manual for adjusting the upper and lower battery compensated limits.