If you’re looking for a safe, reliable way to build your own massive DIY off-grid solar system at a fraction of the cost, you’ve come to the right place. This is a detailed walk-through of the planning and installation of our 7,200W - 28kWH - 5,000W - 120V off-grid solar system that powers our entire homestead. By piecing together our own system from multiple components we were able to save thousands of dollars. Powered by SanTan Solar Panels, REPT LiFePO4 Batteries, REC BMS, @VictronEnergyBV Inverters, Charge Controllers & Color Control GX, and @IronRidgeSolar rack mounting.
CHAPTERS// 00:00 - Intro 00:51 - High Level Overview of System 01:19 - Article 01:54 - Wiring Diagram 02:20 - Solar Shed Recap 03:18 - Grid & Power Goals 05:40 - Solar Overview 07:14 - Planning & Building the Ground Mount 08:07 - IronRidge Design Assistant, Parts, & Panel Install 11:57 - Wiring Solar Panels 16:07 - Lithium Battery Bank 19:03 - Buying Lithium Cells from Alibaba 23:21 - Building the LiFePO4 Battery Back 27:05 - Fusing & Protecting the System 29:03 - Battery Management System (BMS) 31:01 - REC BMS 33:30 - REC BMS Wiring Guide 38:24 - Victron Color Control GX 42:02 - Victron Quattro Inverter Charger 43:45 - Grounding the System 44:50 - Victron MPPT Solar Charge Controllers 48:52 - Final Tweaks & Adjustments 50:28 - Real World Impressions & Usage 51:56 - What Would We Do Differently? 54:20 - Wrap Up 55:00 - Thanks
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