Battery system for my Sierra AT4 Overlander

In this video I install a full off-grid battery system in my rig to power all my overlanding gear. The setup includes a 200Ah LiFePO₄ battery, a Renogy 40A DC-DC charger with solar input, and a BougeRV 200W flexible fiberglass solar panel. This system keeps my 60L dual-zone fridge running, and has plenty of capacity for lights, electronics, and even future upgrades like an induction stove.

I go through the wiring, fuses, isolator, and mounting details step-by-step so you can see how it all comes together. If you’re building your own overland or camping rig, this setup is a reliable way to stay powered up off the grid.

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