^ what he said
And there are TWO reasons to get a mosfet; to save your trigger contacts from the very damaging effects of arcing, which the plug in accomplishes by essentially soft starting the circuit. But also REDUCING CURRENT IN THE TRIGGER. The main issue with high voltage batteries is arcing, so if you eliminate or reduce arcing, everyone thinks they're good to go on high voltage batteries. Until they melt their trigger contacts because they were putting way too much current through the switch and it melted all the plastic around it.
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