30KW Complete Offgrid Solar Kit + EG4 FlexBOSS21 + 2x 14.3KW 48V EG4 Lithium Indoor Wall Battery + 30.8KW Solar with Roof Mounting Rails and Wiring

The 30KW Complete Offgrid Solar Kit + EG4 FlexBOSS21 + 2x 14.3KW 48V EG4 Lithium Indoor Wall Battery + 30.8KW Solar with Roof Mounting Rails and Wiring is engineered for full off-grid homes, farms, and high-demand properties. It includes 28,600 watts (28.6 kWh) of usable lithium energy storage paired with a 30.8KW bifacial solar array capable of producing approximately 138,600 watts (≈138.6 kWh) per day with 4.5 peak sun hours. Designed to support homes using around 4,158 kWh per month, this kit is fully expandable for future battery or solar array upgrades.

Specifications

• Solar Array: 56× 550W Bifacial Mono Solar Panels (30,800W total)

• Inverters: 2× EG4 FlexBOSS21 48V split-phase hybrid inverter/chargers

• Battery Bank: 2× 14.3kWh 48V EG4 Lithium Indoor Wall Batteries (28.6 kWh total)

• Roof Mounting: Complete Iron Ridge roof-mount system with rails, splices, legs, fasteners, and bolts

• Balance of System: 2× solar combiner boxes, 2× gutter boxes, Anderson plug battery cable set, 500' PV direct-burial solar wire, 100' 6-AWG AC cable, 20' 2/0 AC main line, 2× AC combiner kits, MC4 crimp kit, installation manual

Features

• Bifacial Double-Glass Panels: Up to 25% extra rear-side energy harvesting; excellent performance in clouds, haze, and low-light hours

• High Durability: Engineered for 5400 Pa snow load and 2400 Pa wind load with a 30-year power warranty

• Appliance Coverage: Suitable for wells, washers, fans, TVs, lighting, refrigerators, freezers, electronics, and smaller AC systems

• Energy Planning: U.S. average home consumption is 877 kWh/month; all kits are expandable for future energy needs

• DIY Friendly: Installable with basic wiring experience; roof-mount racking is the most labor-intensive component—electrician assistance recommended for final connections

Maintenance

• Daily: Monitor inverter and battery performance; check mobile app readings

• Weekly: Inspect visible wiring, combiner boxes, and clean panels if dirty

• Annually: Check mounting hardware torque, review roof attachments, and update FlexBOSS firmware as recommended

Warranty

• Solar Panels: 30-year performance warranty

• Inverters & Batteries: Manufacturer warranties available in EG4 FlexBOSS21 and EG4 Battery spec sheets