125KW Complete Offgrid Solar Kit + 7x 15K Sol-Ark Inverter + 3x 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 + 3x 32kWh OMO 48V Freedom Series Lithium Battery +125.4KW Solar with Roof Mount and Wiring is engineered for large homes, farms, and high-demand off-grid applications. Generating approximately 564,300 watts per day based on 4.5 sun hours, this system supports properties using around 16,929 kWh monthly. Designed for expandability, it allows future upgrades with additional panels or batteries. The included lithium battery bank provides a powerful 96 kW of energy storage to support long-duration backup and high-load usage.

Specifications

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

• Inverters: 7× Sol-Ark 15K hybrid/off-grid all-in-one inverters (built-in MPPT controller)

• Battery Bank: 3× OMO 32kWh 48V Freedom Series heated lithium batteries with Bluetooth and LCD

• Mounting Hardware: IronRidge roof-mount rail system with rails, splices, L-feet, fasteners & bolts

• PV Combiner Boxes: 7× solar PV combiner boxes

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

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

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

• Wire Gutter Boxes: 7× wire gutter enclosures

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

• Battery Cables: 3× Anderson Plug battery cable sets

• Tooling: 1× MC4 crimping tool set

• Installation Manual: Included

• Battery Specification Sheet: View Battery Specs

Features

• Bifacial Double-Glass Panels: Capture up to 25% additional rear-side energy and outperform in cloudy/low-light conditions.

• Extreme Weather Rating: 5400 PA snow load & 2400 PA wind load with 30-year performance warranty.

• Sol-Ark 15K Output: 120/240V split-phase power for whole-home operation.

• Battery Optional: Operates with or without batteries for full flexibility.

• Battery Compatibility: Supports 48V lithium or lead-acid storage.

• Advanced MPPT Tracking: 3× MPPT channels maximize solar production.

• Generator Support: Fully compatible with backup or prime-power generators.

• Smart Control: LCD touchscreen with WiFi for remote monitoring.

• High Efficiency: 97.5% inverter efficiency with transformerless design.

• Outdoor Rated: NEMA 3R enclosure allows safe exterior installation.

• Parallel Stacking: Supports stacking up to 8 Sol-Ark inverters for massive system expansion.

• Fast Transfer: 4ms switching time from grid to battery backup.

Maintenance

• Daily: Review inverter output and battery state via LCD or WiFi app.

• Weekly: Inspect rooftop panels for dirt, snow, or shade obstructions.

• Annually: Tighten electrical connections, check wiring integrity, update firmware, and deep-clean the array.

Warranty

• Sol-Ark Inverters: 10-year manufacturer warranty

• Solar Panels: 30-year performance warranty

• OMO Batteries: Warranty details in specification sheet