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I have an OEM dual Battleborn LiFePO4 lithium battery 12V setup in our travel trailer, with a Victron MPPT controller and some solar panels on the roof. It came with a way underpowered 1000w inverter that's basically useless. I've installed full MultiPlus-based systems in previous trailers, but...

Turns out it was the old battery disconnect switch that I had left open. Dumb mistake but easy fix!

I now realize that this could be as simple as an open battery disconnect switch. I'm going to replace the key and confirm that this restores power to the DC panel. If so, I'll probably take it out of the loop since I have a much better disconnect in the front bay where the Victron equipment...

Many thanks for this. I'm attaching my wiring diagram to avoid any confusion. I think the problem is where I rerouted the positive and negative connections from the factory busbars near the old battery to the Lynx Distributor, effectively connecting them to the new battery bank. I now think...

I have a 2022 Grand Design Fifth Wheel and recently installed a new Victron Multiplus inverter/converter in the front compartment with 4 lithium batteries. I thought I needed to disconnect the old converter at the AC panel to prevent it from trying to charge the batteries along with the...