4.4KW Complete Offgrid Solar Kit + 10K 120V/240V OMO E-Line Inverter + 2x 10.24KW OMO E-Line Lithium Battery +4.4KW Solar with Roof Mount and Wiring

The 4.4KW Complete Offgrid Solar Kit + 10K 120V/240V OMO E-Line Inverter + 2x 10.24KW OMO E-Line Lithium Battery +4.4KW Solar with Roof Mount and Wiring is a robust starter package designed for cabins, shops, RVs, and small off-grid homes. This upgraded configuration includes 2 × 10.24kWh OMO E-Line heated lithium batteries, giving you a total of 20,480 watts of usable energy storage. The 4.4KW solar array produces up to 19,800 watts per day based on 4.5 peak sun hours. This system supports energy demands of roughly 594 kWh per month and is expandable for future panel upgrades. (Max battery capacity: 2 units).

Specifications

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

• Daily Production: ~19,800 watts/day (based on 4.5 hours of sun)

• Battery Storage: 2 × OMO 51.2V 10.24kWh E-Line Stackable Heated Batteries (20.48kWh total)

• Inverter: 10K OMO E-Line 120V/240V Inverter w/ Wi-Fi; grid-tied compatible and generator-ready

• Base Unit: 1 × OMO Base for vertical battery stacking

• Mounting System: IronRidge Roof-Mount Rails, Splices, Legs, Fasteners & Bolts

• Wiring Package: 250' direct-burial PV solar wire, 100' 6AWG AC/generator wire, MC4 crimp kit

• Electrical Components: Solar combiner box and wire gutter box

• Documentation: Complete installation manual included

• Specification Sheet: E-Line Specification Sheet

Features

• Bifacial Solar Panels: Up to 25% additional backside energy, excellent low-light performance, 5400 PA snow load & 2400 PA wind load, 30-year power warranty

• Dual Battery Configuration: Maximum system storage (20.48kWh) for extended off-grid runtime

• DIY-Friendly Install: Designed for homeowners with basic wiring knowledge; professional installation recommended if unsure

• Hybrid Ready: Supports both grid-tie and generator backup input

• Expandable Array: Add more solar panels anytime to increase energy production

• Performance Insight: Uses a U.S. average of 4.5 peak-sun hours to estimate production; varies by region

Maintenance

• Daily: Check inverter performance, battery health, and solar output

• Weekly: Inspect wiring runs, verify roof-mount hardware, and review combiner box indicators

• Annually: Clean panels, tighten all racking hardware, inspect AC/DC wiring, and apply inverter firmware updates

Warranty

• Solar Panels: 30-year performance warranty

• OMO Inverter: Warranty per E-Line manufacturer documentation

• OMO Batteries: Manufacturer-supported warranty for both 10.24kWh units