Forum Discussion
BFL13
Oct 22, 2014Explorer II
jrnymn7 wrote:
I'm curious about the quality of the potentiometer randy's using.
If it is like the one on my PM prototype, I can say it works. What do you mean by "quality?" It takes about half a turn to go through its range and you can pick a voltage to sit to what your meter shows to one or two decimal places.
I marked some commonly used voltages around the knob with a marker pen so I can set a higher "converter voltage" when it is showing less than that during battery charging in the Bulk stage.
When already connected to the batts, before turning on the unit, the meter shows battery voltage, and turning the knob does nothing because the unit is still off. (Do not turn the unit on first then connect!!! Thermistor time!) So using the marks, set the desired converter voltage, then turn the unit on.
If I have set converter voltage too low for being cold out and amps start to taper too soon, I can raise the converter voltage a bit and amps go back up to what I would expect.
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