90KW Complete Offgrid Solar Kit + 5x 15K Sol-Ark Inverter + 2x 32kWh OMO 48V Freedom Series Lithium Battery +90.2KW Solar with Ground Mount and Wiring

The 90KW Complete Offgrid Solar Kit + 5x 15K Sol-Ark Inverter + 2x 32kWh OMO 48V Freedom Series Lithium Battery +90.2KW Solar with Ground Mount and Wiring  is engineered for large homes, farms, and high-demand off-grid properties that require maximum energy security and long-term scalability. Featuring a massive 90.2KW bifacial solar array, five Sol-Ark 15K inverters, and 64kWh of premium OMO Freedom Series lithium storage, this system delivers exceptional performance with future-ready expandability for both solar and battery capacity.

Specifications

• Solar Array Output: ~405,900 watts/day (based on 4.5 sun hours)

• Solar Panels: 164× 550W Bifacial Mono Panels (90,200W total array)

• Inverters: 5× Sol-Ark 15K Hybrid/Off-Grid 48V Inverters (with built-in MPPT charge controllers)

• Batteries: 2× OMO 32kWh 48V Freedom Series Heated Lithium Batteries (64kWh total storage)

• Mounting System: Full IronRidge Ground Mount kit (rails, top caps, connectors, bolts & fasteners)

• Cabling: 2× 500' 10AWG MC4 solar cable, 2× 100' 6AWG AC cable, 2× 20' 2/0 AC main line

• Combiner Boxes: 5× PV combiner boxes + 1× AC combiner kit

• Tools & Accessories: MC4 crimper tool set, wire gutter boxes, Anderson plug battery cable sets

• Mounting Requirement: Uses 3” Schedule 40 pipe (sourced locally by customer)

• Panel Durability: 5400 PA snow load / 2400 PA wind load; double-glass bifacial construction

• Panel Warranty: 30-year performance warranty

Features

• Bifacial Solar Technology: Captures up to 25% more energy from rear-side reflection for increased daily output

• Scalable System Design: Built for future expansion with additional batteries or solar panels

• High-Capacity Lithium Storage: Freedom Series heated batteries ensure safe operation in all climates

• Ground Mount Configuration: Ideal for large properties; optimized tilt and airflow for maximum production

• Comprehensive Wiring Kit: Includes all major AC/DC wiring for a complete installation

• Battery Monitoring: Bluetooth + onboard LCD readout

Sol-Ark 15K Inverter Specs

• Output: 120/240V split-phase

• Battery Compatibility: Works with or without batteries (48V lithium or lead acid)

• Operating Modes: Grid-tie, off-grid, hybrid

• MPPT Inputs: 3× high-efficiency MPPT controllers built in

• Generator Support: Full backup generator integration

• Display: LCD touchscreen interface

• Connectivity: WiFi monitoring & system analytics

• Efficiency: 97.5% inverter efficiency

• Enclosure: NEMA 3R outdoor-rated

• Warranty: 10 years

• Parallel Stacking: Supports up to 8 units

• Transfer Time: 4ms (battery to grid)

Maintenance

• Daily: Verify inverter status and ensure solar panels are unobstructed

• Weekly: Inspect ground mount hardware and clear dust/debris from panels

• Annually: Review wiring, tighten hardware, and perform a full performance inspection

Warranty

• Solar Panels: 30-year output warranty

• Inverters: 10-year manufacturer warranty

• Batteries: Freedom Series factory warranty (see specification sheet)