72 Demon Overcharging

You know I like pictures.

Same example with resistance only at the output wire's bulkhead connection.
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As you've pointed out many times, resistance can cause voltage drop even if it's too small for a typical multimeter to measure.
V=I x R
In this example, if I did the math right
1.5 Volts = 25 amps x Resistance
.06 Ohms = Resistance.