4.4KW Complete Offgrid Solar Kit + 5K Sol-Ark Inverter + 10.24KW OMO Stack Lithium Battery +2.2KW Solar with Mounting Rails and Wiring

The 4.4KW Complete Offgrid Solar Kit + 5K Sol-Ark Inverter + 10.24KW OMO Stack Lithium Battery +2.2KW Solar with Mounting Rails and Wiring is a powerful and reliable starter system designed for cabins, RVs, small homes, garages, and shops. With 10.24kWh of usable lithium storage and a 4.4KW bifacial solar array, this kit generates approximately 19,800 watts per day based on 4.5 hours of peak sun. It works well for properties using around 594kWh per month and is expandable with additional panels or batteries.

Specifications

• Solar Array: 8 × 550W Bifacial Solar Panels (4,400W total)

• Inverter: Sol-Ark 5K-2P-N Split-Phase Inverter (Grid-tie or Generator Compatible)

• Battery Storage: 2 × OMO 51.2V 5.12kWh Stackable Heated Batteries (10.24kWh total) with Bluetooth Monitoring

• Battery Management: OMO Stackable Combiner with LCD Readout

• Mounting System: Complete IronRidge Mounting Rails, Splices, Legs, Fasteners & Bolts

• Wiring: 250' Direct-Burial PV Solar Wire, 100' 6AWG AC/Generator Cable, MC4 Crimp Kit

• Electrical Components: Solar Combiner Box

• Base Unit: OMO Wheeled Battery Base

• Documentation: Installation Manual Included

Features

• Bifacial Solar Technology: Up to 25% extra rear-side power; excellent cloudy/low-light performance; 5400 PA snow load & 2400 PA wind load; 30-year power warranty

• Appliance Compatibility: Can run wells, washers, fans, TVs, lights, refrigerators, freezers, computers, devices, and small AC units

• Highly Expandable: Add solar panels or batteries as energy needs grow

• Hybrid-Ready: Works with grid-tie setups or generator backup

• User-Friendly: DIY-install-friendly system for those with basic wiring knowledge

• Regional Performance: Designed using 4.5 sun-hour Midwest average; varies by U.S. location

Maintenance

• Daily: Monitor inverter output, battery status, and solar production

• Weekly: Inspect mounts, wiring paths, and combiner box indicators

• Annually: Clean solar panels, check racking hardware, tighten electrical connections, and update inverter firmware

Warranty

• Solar Panels: 30-year power performance warranty

• Sol-Ark Inverter: Manufacturer warranty per datasheet

• OMO Batteries & Combiner: Covered under OMO manufacturer's warranty