25KW Complete Offgrid Solar Kit - 3x 32kWh OMO 48V Freedom Series Lithium Battery + 2x 15K Sol-Ark Inverter +26.4KW Solar with Ground Mount and Wiring

The 25KW Complete Offgrid Solar Kit - 3x 32kWh OMO 48V Freedom Series Lithium Battery + 2x 15K Sol-Ark Inverter +26.4KW Solar with Ground Mount and Wiring is designed for full off-grid living with exceptional power storage and generation. Featuring three OMO 32kWh Freedom Series heated lithium batteries (96kWh total), dual Sol-Ark 15K hybrid inverters, and a 26.4KW bifacial solar array, this system produces approximately 118,800 watts per day (based on 4.5 sun hours). Ideal for large homes using ~3,500kWh monthly, it is fully scalable for future expansion with additional panels or battery units.

Specifications

• Solar Array: 48 × 550W Bifacial Mono Panels (26,400W total)

• Inverters: 2 × Sol-Ark 15K Hybrid/Off-Grid All-in-One Inverters (with built-in MPPT controllers)

• Battery Bank: 3 × OMO 32kWh 48V Freedom Series Heated Batteries (Bluetooth + LCD Display)

• Ground Mount System: IronRidge ground-mount rails, top caps, rail connectors, fasteners, and bolts (3" pipe supplied locally)

• Combiner Boxes: 2 × Solar Combiner Boxes + 1 × AC Combiner Box Kit (supports Sol-Ark multi-inverter configurations)

• Wiring: 500′ 10AWG PV direct-burial wire; 100′ 6AWG AC output/input/generator cable; 20′ 4/0 AC main line

• Accessories: Anderson plug battery cable set, MC4 crimp kit, 2 × gutter boxes, installation manual

Features

• Bifacial Double-Glass Solar Panels: Up to 25% rear-side energy gain; strong low-light performance; 5400 Pa snow / 2400 Pa wind load; 30-year power warranty.

• Sol-Ark Inverter Technology: 120/240V split phase, grid-tie or off-grid functionality, 3 MPPT inputs, generator support, WiFi, LCD touchscreen, 97.5% efficiency, outdoor-rated (NEMA 3R)

• Performance: Parallel stacking up to 8 inverters; 4ms transfer time between battery and grid

• Energy Output: ~118,800 watts per day under typical 4.5 sun-hour conditions

• Application: Suitable for off-grid homes powering wells, refrigerators, freezers, washers, electronics, lighting, and small air conditioning

Maintenance

• Daily: Check inverter/battery status and ensure proper ventilation

• Weekly: Inspect panels, wiring, and ground-mount hardware

• Annually: Perform complete system inspection including electrical, structural, and grounding checks

Warranty

• Sol-Ark Inverters: 10 years

• Solar Panels: 30-year power warranty