The only true battery disconnect switch is a 7/16" wrench to physically remove the cables. Many of us have found the hard way that even with a properly installed battery bank, with the disconnect turned off, there remains parasitic drain from the smoke and CO2 detectors and on some rigs the Lippert leveling system.
Joan & Angus Campbell
Building in Las Cruces, NM
2019 Pinnacle 36SSWS
2019 F350 DRW Lariat CC Long Bed Diesel "Sheila"
3 Chihuahuas and 4 cats
We don't camp, we don't glamp, we LIVE.