I can't control individual batteries, but was more looking for a simple on/off.
I actually replaced a key'd one. I wasn't sure if it was up to the new wire sizes that I'm getting into with my new battery + inverter setup. Bought it on eBay a long time ago.
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
Perko Marine battery selector switch. It has positions Battery #1, Battery #2, both, off. I have used them for the last 40 years on my saltwater boats with zero issues.
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Terry and Laurie
2017 Flagstaff 27RLWS
2020 F-350 7.3 Godzilla 10 speed 4X4 CCLB