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Terminal, bus bar, bms ring terminal, washer, nut is the sequence used.

Appreciate the direction. About 10 amps, that was blowing fuses. 30 amps for charging. I'll monitor with the smart shunt and full load test.

So perhaps it was just one bus bar not torqued and remainder factory welding. Will do!

Thanks! Didn't notice it when installed a year ago, so felt like a gut punch. Will reset the battery and check.

These terminals appear to be arcing or even melting. This battery saw very light duty for a short period while testing minor electrical components, but will drive an electric vehicle at far greater loads. I wire brushed black residue off the terminals before taking the picture. The terminals...