Upgrading a Living Quarters Horse Trailer With Lithium Power! (400W Solar + SOK Battery Install)
November 21, 2025 · 29 min · 6K views
Man wiring solar panels on trailer roof in Colorado
What this video covers
A 314-amp-hour SOK lithium battery and 400 watts of solar panels replace a lead-acid battery bank in a Living Quarters horse trailer to eliminate reliance on a generator for lights, fans, and refrigeration.▶ 1:02 The installation includes a Victron Smart Solar MPPT 130 charge controller and a Victron BlueSmart charger, which connects to the existing 120-volt outlet to provide lithium-compatible charging from shore power or the generator.▶ 1:57 The solar array consists of four 100-watt panels wired in a series-parallel configuration to remain within the 100-volt limit of the charge controller.▶ 16:57 Rivets with expanding backs secure the solar mounting feet and roof entry gland to the trailer roof, preventing sharp screw points from protruding into the interior.▶ 13:47 The system uses the SOK battery’s internal Bluetooth monitoring for state-of-charge data, omitting a separate shunt to simplify the installation.▶ 23:04 The air conditioner and 120-volt outlets remain powered exclusively by the generator or shore power.▶ 5:57
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