30KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 20.48KW OMO Stack Lithium Battery +30.8KW Solar with Mounting Rails and Wiring

The 30KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 20.48KW OMO Stack Lithium Battery +30.8KW Solar with Mounting Rails and Wiring is a robust starter package for complete off-grid living. It pairs a 30.8KW bifacial solar array with 20.48kWh of expandable lithium storage and dual Sol-Ark 15K split-phase inverters. Estimated solar production is up to 138.6kWh per day (based on 4.5 peak sun hours), making it a strong fit for larger homes, farms, and properties targeting ~4,158kWh per month, with room to scale panels or batteries over time.

Specifications

• Solar Array: 56 × 550W bifacial mono panels (30,800W total), double-glass rear-gain technology

• Inverters: 2 × Sol-Ark 15K-2P-N split-phase; grid-tied compatible or generator-input compatible

• Battery Bank: 4 × OMO 51.2V 5.12kWh heated, stackable lithium batteries w/ Bluetooth (20.48kWh usable) + OMO wheeled base

• Roof Mounting: Complete IronRidge ROOF mount rails, splices, L-feet, fasteners, and bolts

• Balance of System: OMO stackable combiner w/ LCD, 2 × PV combiner boxes, 500' 10AWG MC4 array cable, 100' 6AWG AC cable, 20' 2/0 AC main, 2 × wire gutter boxes, Sol-Ark AC combiner kit (multi-inverter), MC4 crimper tool set, installation manual

Features

• Bifacial High Output Panels: Up to 25% rear-side gain; better production in hazy, cloudy, and low-light conditions

• Durability & Warranty: 5400 Pa snow / 2400 Pa wind load; 30-year power warranty

• Sol-Ark 15K Highlights: 120/240V split phase, 9kW continuous (16kW surge 10s), 3× MPPT, generator support, LCD touchscreen, Wi-Fi, 97.5% efficiency, NEMA 3R outdoor-rated, 10-year warranty

• Scalable Power: Parallel stacking up to 8 Sol-Ark units; expand battery capacity as needs grow

• Appliance Coverage: Supports wells, washers, fans, TVs, lights, refrigerators, freezers, computers/tablets, and small AC systems

• Fast Transfer: ~4ms transfer time from batteries to grid power for seamless backup

Maintenance

• Daily: Verify inverter/battery LCDs; ensure panels are clean and unobstructed

• Weekly: Review Bluetooth battery data and Sol-Ark production logs

• Annually: Inspect wiring and torque hardware; clean modules; test generator and safety disconnects

Warranty

• Sol-Ark Inverters: 10 years

• Solar Panels: 30-year performance/power warranty