10KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 20.48KW OMO Stack Lithium Battery +11KW Solar with Mounting Rails and Wiring

The 10KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 20.48KW OMO Stack Lithium Battery +11KW Solar with Mounting Rails and Wiring provides a complete power solution for small to mid-sized homes, cabins, RVs, garages, and pole barns. Featuring 20,480 watts of usable lithium storage and an 11,000-watt bifacial solar array producing up to 49,500 watts per day, this system supports homes using around 1,400 kWh/month. Designed for long-term expandability, users can add more panels or batteries as energy needs grow.

Specifications

• Solar Array: 20 × 550W bifacial mono double-glass panels (11,000W total)

• Inverter: 1 × Sol-Ark 15K-2P-N split-phase inverter, grid-tie & generator compatible

• Battery System: 4 × OMO 51.2V 5.12kWh heated stackable lithium batteries (20.48kWh total) + OMO LCD stack combiner + OMO wheeled base unit

• Mounting Hardware: Complete IronRidge roof-mount rails, splices, L-feet, fasteners, bolts

• Included Components: Solar PV combiner box, AC combiner kit, 500’ 10AWG MC4 solar wire, 100’ 6AWG AC cable, 20’ 2/0 main line, gutter boxes, MC4 crimper tool set, installation manual

Features

• Bifacial Solar Modules: Double-glass panels capture up to 25% additional rear-side energy and excel in cloudy or low-light conditions.

• Extreme Durability: Rated for 5400 Pa snow load & 2400 Pa wind load with a 30-year power warranty.

• Sol-Ark 15K Performance: 120/240V split-phase output, built-in 3× MPPT charge controllers, generator support, WiFi monitoring, LCD touchscreen, 97.5% efficiency, NEMA 3R outdoor-rated.

• Expandable Architecture: Stack up to 8 Sol-Ark units; add more solar panels or OMO batteries anytime.

• Appliance Capability: Runs wells, washing machines, TVs, refrigerators, freezers, fans, lights, computers, tablets, and small AC systems.

• System Sizing Guidance: U.S. average home use is ~877 kWh/month; this system supports ~1400 kWh/month with expansion options.

Maintenance

• Daily: Monitor inverter/battery status; ensure panels remain unobstructed.

• Weekly: Inspect wiring, connections, mounting hardware, and production numbers.

• Annually: Clean panels, check torque on mount hardware, and have an electrician inspect AC/DC system integrity.

Warranty

• Solar Panels: 30-year performance warranty

• Inverter & Batteries: Sol-Ark 15K includes a 10-year warranty; OMO batteries include manufacturer warranty per documentation