I'm running a RedArc BCDC 25A DC/DC charger for my X2 27F AGM 2nd battery for 4 years with no issues with the alternator. Wiring from the charger to battery is 8 guage.
That "was" a Slee Offroad brand.
Quotes are there because that Land Cruiser suffered a sad death while I was stopped at a stop light a few years back. Got hit pretty much head on by some idiot. The bumper held up awesome. HA.
Ended up getting another white Land Cruiser. Have a Dissent...
Don't have that Land Cruiser anymore. From what I remember the wires coming off the Lensun panel have MC4 connectors. The BatteryMinder didn't have connectors. Just screw downs for bare wire.
I have OME 2864 on my build and have been happy with them. Went through a similar process when deciding. Mine has a more weight with everything you have plus awning, roof rack, sliders, rear drawers, full skids, and 2nd battery. Ended up at 23.5" in the back but haven't checked if it settled at...
I mounted my Switch Pro to the firewall. Prewired all the connections with metri-packs. Did a write up on my build thread. Used a @BenCC 3D mount in the overhead for switches.