Quote:
Originally Posted by WaltPA
I believe the FEH attempts to use outside air first (opens the rear vent door and activates the fan), to cool the batteries. Only if that fails, then finally activates the A/C coolant loop as its final attempt to keep the batteries cool.
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"...as its final attempt..."
The question is....
At just what temperature must the batteries rise to before the system resorts to the use of A/C for cooling them.
Does anyone know for sure what type of battery is used in the FEH/MMH?
Buying a small battery of the same type and charging it fully and then using a constant load to see how it holds up "frozen" versus room temperature is a simple enough task.