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

The 30KW Complete Offgrid Solar Kit + EG4 FlexBOSS21 + 2x 14.3KW 48V EG4 Lithium Indoor Wall Battery + 30.8KW Solar with Ground Mount and Wiring is built for full off-grid homes and high-demand properties. It pairs 28.6 kWh of usable lithium storage (2× 14.3 kWh EG4 wall batteries) with a 30.8KW bifacial solar array producing about 138,600 watts (≈138.6 kWh) per day at 4.5 hours of sun. Ideal for large homes, farms, and similar sites using ~4,158 kWh/month, the system is designed to scale with future panel or battery additions.

Specifications

• Solar Array: 56× 550W bifacial mono panels (30,800W total)

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

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

• Ground Mount: Complete IronRidge rails, top caps, rail connectors, fasteners, bolts (uses locally sourced 3" Sch 40 pipe)

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

Features

• Bifacial Double-Glass Panels: Up to 25% rear-side energy gain; stronger output in cloudy, hazy, or low-light conditions

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

• Appliance Compatibility: Suitable for wells, washers, fans, TVs, lights, refrigerators, freezers, personal electronics, and smaller AC systems

• Energy Sizing Guidance: U.S. average usage ~877 kWh/month; kit is expandable for growing needs

• DIY Friendly: Basic wiring knowledge helps; racking is the most labor-intensive step—consider hiring a licensed electrician for final connections

Maintenance

• Daily: Verify inverter and battery status; check monitoring app

• Weekly: Inspect visible wiring & combiner boxes; clean panels if dusty

• Annually: Torque-check hardware, review roof/ground attachments, update inverter firmware as recommended

Warranty

• Solar Panels: 30-year performance warranty

• Inverters & Batteries: Manufacturer warranties per spec sheets (see EG4 FlexBOSS21 documentation)