Switching the Orion DC to DC charger

I would like to control an Orion DC to DC charger with the auto's battery voltage. I'm charging a 24v battery with a 12v auto system.

I want to turn on the charger when the auto battery voltage gets above 13v, thus indicating a running engine and a near fully charged battery. I don't see a recommended product anywhere on Victron's site?

I was thinking of using a mosfet switch like this https://www.amazon.com/NOYITO-Electronic-Control-Isolation-Controlled/dp/B07D1W566D/ref=sr_1_1?keywords=voltage+controlled+switch&qid=1703869502&sr=8-1

Anybody used a similar type switch with success? Anything I need to look out for?

thanks,

Scott

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Scott Derrick commented · Dec 30, 2023 at 04:36 PM

I just found the engine run signal under the drivers seat. I will use a relay to send that signal to the ORION. Much better than detecting a voltage change.

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