We used 100's of those controllers on 96vdc Li-ion systems with excellent
results. You will not have any re generation if the voltage goes in excess
of 105vdc. Best to do a factory reset on the controller and re program to
avoid any problems. The factory OS software is available to perform that
The 1238-6501 uses 48 to 80 volts DC (nominal). The voltage of the pack will
likely be a bit higher than the nominal rating.
As an example, a 48 volt (nominal) lead acid pack might have a fully charged
resting voltage around 52.5 volts, and similar 72 volt pack would have a
resting voltage
Hello
What is the maximum voltage of a Curtis 1238-6501 controller?
EVWest is telling me 75 volts, but I have heard 108volts?
Thanks
Michael
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