40KW Complete Offgrid Solar Kit + 3x 15K Sol-Ark Inverter + 32kWh OMO 48V Freedom Series Lithium Battery +40.15KW Solar with Ground Mount and Wiring

The 40KW Complete Offgrid Solar Kit + 3x 15K Sol-Ark Inverter + 32kWh OMO 48V Freedom Series Lithium Battery +40.15KW Solar with Ground Mount and Wiring provides a full-scale power solution for large homes, farms, and fully off-grid properties. With 40.15KW of bifacial solar, 64kWh of heated lithium storage, and three Sol-Ark 15K hybrid inverters, this system is engineered for heavy energy consumption and long-term reliability.

The solar array produces approximately 180,675 watts per day (based on 4.5 hours of sun), supporting properties that consume around 5,420 kWh per month. This package is also fully scalable for additional solar or battery capacity as energy needs grow.

Specifications

• Solar Panels: 73 × 550W Bifacial Mono Panels (40,150W total output)

• Inverters: 3 × Sol-Ark 15K Hybrid/Off-Grid All-in-One Inverters with built-in MPPT charge controllers

• Battery Storage: 2 × OMO 32kWh 48V Freedom Series Heated Lithium Batteries (64kWh total), includes Bluetooth & LCD

• Mounting System: Complete IronRidge Ground-Mount Kit – Rails, Top Caps, Rail Connectors, Fasteners & Bolts

• Cables & Wiring:
  • 2 × 500' Spools 10AWG MC4 Solar Array Cable
  • 2 × 100' 6AWG AC Output/Input/Generator Cable
  • 2 × 20' Spools 2/0 AC Main Line Cable
  • 3 × Wire Gutter Boxes

• Electrical Components:
  • 3 × Solar PV Combiner Boxes
  • 1 × AC Combiner Box Kit (for multi-unit Sol-Ark setups)
  • 2 × Anderson Plug Battery Cable Sets

• Tools & Documentation: MC4 Crimper Tool Set, Full Installation Manual

Features

• Bifacial Solar Panel Technology: Up to 25% additional rear-side harvest with double-glass construction

• High Durability Panels: Rated for 5400 PA snow load & 2400 PA wind load

• Ground-Mount Advantage: Built for 3" SCH 40 pipe (customer-sourced); ideal for maximizing tilt, airflow, and efficiency

• Whole-Property Power: Supports large homes, farms, barns, shops, and heavy energy loads

• Expandable Design: Add more solar panels, batteries, or inverters as needed

Sol-Ark 15K Inverter Specifications

• Output: 120/240V Split Phase

• Battery Options: Operates with or without batteries (48V Lithium or Lead-Acid)

• System Type: Grid-Tie, Hybrid, or Full Off-Grid

• MPPT: Built-in charge controller with 3 MPPT inputs

• Generator Support: Fully compatible

• User Interface: LCD Touch Screen with WiFi connectivity

• Design: DC Transformerless for high efficiency

• Efficiency: 97.5%

• Enclosure: NEMA 3R (outdoor rated)

• Warranty: 10-Year Manufacturer Warranty

• Parallel Ready: Stack up to 8 units

• Transfer Time: 4ms from grid to battery

Battery Specification Sheet

Maintenance

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

• Weekly: Inspect wiring, check combiner boxes, and ensure panels remain clean

• Annually: Perform a full system inspection, tighten mount hardware, clean panels, and verify electrical connections

Warranty

• Solar Panels: 30-Year Power Warranty

• Sol-Ark Inverters: 10-Year Warranty

• Lithium Batteries: See included specification sheet for full warranty details