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

The 25KW Complete Offgrid Solar Kit - 32kWh OMO 48V Freedom Series Lithium Battery + 2x 15K Sol-Ark Inverter +26.4KW Solar with Mounting Rails and Wiring is engineered for a full off-grid home setup. It includes a 32kWh OMO Freedom Series heated lithium battery, two Sol-Ark 15K hybrid inverters, and a powerful 26.4KW bifacial solar array. Producing ~118,800 watts per day (based on 4.5 peak sun hours), this system is ideal for larger homes using around 3,500 kWh per month. It is fully expandable for future solar or battery upgrades.

Specifications

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

• Inverters: 2 × Sol-Ark 15K Hybrid/Off-Grid All-in-One Inverters (48V with MPPT charge controllers)

• Battery Bank: 1 × OMO 32kWh 48V Freedom Series Heated Battery (Bluetooth + LCD Display)

• Mounting System: Complete IronRidge Roof-Mount Rails, Splices, Legs, Fasteners & Bolts

• Combiner Boxes: 2 × Solar PV combiner boxes (expansion-ready) + 1 × AC Combiner Box Kit for Sol-Ark multi-inverter setups

• 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, 2 × gutter boxes, MC4 crimp kit, installation manual

Features

• Bifacial Double-Glass Panels: Rear-side energy gain up to 25%, excellent low-light performance, and high durability (5400 Pa snow / 2400 Pa wind). Includes a 30-year power warranty.

• Sol-Ark 15K Inverter Technology: 120/240V split-phase output, grid-tie or off-grid support, 3 MPPT inputs, generator compatibility, LCD touch screen, WiFi, 97.5% efficiency, NEMA 3R (outdoor-rated)

• Advanced Performance: Stack up to 8 inverters in parallel; 4-millisecond transfer time ensures seamless backup power.

• Energy Output: Produces ~118,800 watts per day based on typical Midwest sun exposure.

• System Capability: Can run wells, washers, lights, TVs, refrigerators, freezers, electronics, and small air conditioning systems.

Maintenance

• Daily: Monitor battery/inverter status and ensure airflow remains unobstructed.

• Weekly: Inspect solar panels, wiring, roof mounts, and confirm combiner boxes remain secure.

• Annually: Conduct a full electrical and structural inspection including breakers, grounding, terminations, and mounting integrity.

Warranty

• Sol-Ark Inverters: 10 years

• Solar Panels: 30-year power warranty