[Ecky]

Originally Posted by hayden55

Sounds like you need a low voltage cut. Maybe if you're starting current is low enough with the caps you could find a low voltage cut with an appropriate rating.
https://www.amazon.com/Volt-Voltage-.../dp/B00KI1Z8TY

I've read that a starter might be expected to draw 80-120 amps average, but that the initial current rush could be as high as 4-600 amps.