Cal,
I was given a clamp meter and did many many readings. Based on what I was expecting and the readings I got, it was accurate.
I gave you the wrong link for Peukert calc http://www.smartgauge.co.uk/calcs/peukert.xls
Simple calculator, does it all for you. Example. If say a 200 Ah bank (at the 20 hr rate at 25 degrees C) with Peukert 1.25, then 10 Amps would still give a 200 Ah battery but go to 20 Amps discharge and not allowing for any battery ageing either, the capacity would become 168 Ah, then divide by 2 if going to 50% SOC. So 84Ah available if 20 Amps discharge (about 4.2 hrs run time with Peukert corrected amps of 23.8) and then reduce further for battery higher temperature and ageing battery, if applicable. Not sure what your battery Ah or Peukert factor is, so above just an example. That all assumes steady current but of course that goes up as voltage sags if maintaining same power.
John
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