Flier sent me a couple more than I needed. 45$ each U.S only 3$ shipping 12s 120a.
What’s the difference between those and $25 Vedder Anti-spark Switches?
I have both but I’ll only use a Vedder switch up to 3p. They seem to break often with lager batteries or higher current draw.
Based off of the Vedder Switch circuit, I perf-boarded my own Vedder switch with parts I picked from my local smd store and they worked great for my lipos. I am more of a DIY personal. 
Are the switches hold-to-turn-off or do they turn off the moment you tap the button?
what gauge wire do they have?
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Are the switches hold-to-turn-off or do they turn off the moment you tap the button?
You push the button and they turn off instantly.
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Please post shipping terms. Free shipping or plus shipping