125KW Complete Offgrid Solar Kit + 7x 15K Sol-Ark Inverter + 2x 32kWh OMO 48V Freedom Series Lithium Battery +125.4KW Solar with Roof Mount and Wiring

The 125KW Complete Offgrid Solar Kit + 7x 15K Sol-Ark Inverter + 2x 32kWh OMO 48V Freedom Series Lithium Battery +125.4KW Solar with Roof Mount and Wiring is engineered for full off-grid homes, large farms, and high-demand properties requiring powerful, reliable, and scalable energy production. The solar array generates approximately 564,300 watts per day (based on 4.5 peak sun hours), supporting usage levels around 16,929 kWh per month. This system is expandable, allowing future increases in both solar capacity and battery storage. The included lithium battery bank delivers 64kWh of dependable, high-efficiency storage for 24/7 power.

Specifications

• Solar Array: 228× 550W bifacial mono panels (125,400W array)

• Inverters: 7× Sol-Ark 15K Hybrid/Off-Grid All-In-One Inverters with built-in MPPT charge controllers

• Batteries: 2× OMO 32kWh 48V Freedom Series Heated Lithium Batteries with Bluetooth & LCD display (64kWh total)

• Mounting System: Complete IronRidge roof-mount hardware set (rails, L-feet, splices, fasteners, bolts)

• Combiner Boxes: 7× solar PV combiner boxes

• Solar Wiring: 3× 500' spools of 10AWG MC4 solar cabling

• AC Wiring: 3× 100' spools of 6AWG AC output/input/generator cable

• Main Line: 3× 20' spools of 2/0 AWG AC main line cable

• Wire Management: 7× wire gutter boxes

• AC Combiner: 1× AC combiner box kit (supports 2+ Sol-Ark units)

• Battery Cables: 2× Anderson plug battery cable sets

• Tools: MC4 crimper tool set

• Manual: Full installation manual included

Features

• Bifacial Solar Panel Technology: Double-glass panels capture up to 25% more energy from rear-side reflection

• High Durability: Rated for 5400 PA snow load & 2400 PA wind load with a 30-year power warranty

• Scalable Design: Expandable solar and battery capacity to meet future power requirements

• Roof-Mount System: Complete IronRidge mounting hardware for secure, long-lasting installation

• Large-Scale Output: Suitable for high-demand off-grid estates and commercial/agricultural properties

Maintenance

• Daily: Monitor system output, inverter status, and battery charge level

• Weekly: Clear debris from solar panels and ensure airflow around inverters

• Annually: Inspect wiring, mounting hardware, combiner boxes, and grounding connections

Sol-Ark 15K Inverter Specifications

• Output: 120/240V split-phase

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

• Operating Modes: Grid-tie or off-grid

• MPPT: 3× built-in MPPT inputs

• Generator Support: Fully compatible

• Interface: LCD touchscreen with WiFi connectivity

• Efficiency: 97.5% inverter efficiency

• Rating: NEMA 3R outdoor-rated enclosure

• Warranty: 10-year manufacturer warranty

• Parallel Stacking: Supports up to 8 units

• Transfer Time: 4ms battery-to-grid transfer

Warranty

• Battery System: See manufacturer documentation for full warranty terms

• Solar Panels: 30-year power performance warranty

• Sol-Ark Inverters: 10-year warranty

Battery Specification Sheet