Originally posted by min2oly
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I actually use a clamp meter more these days. If you're going to use an analog amp meter in line, just use it for the first run. The draw shouldn't increase too much if you shunt the amp meter, if it does either your meter has a large resistance in it or it's faulty.
I've used this method a few times. On my superpole bike wheel SG I was getting system COPs of 1.03 plus the mechanical. i.e. 60 minute discharge and 58 minutes to recharge.
Note: use 15.3v for lead-acid and 14.8v for gel-cells.
John K.
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