15KW Complete Offgrid Solar Kit - 2x 32kWh OMO 48V Freedom Series Lithium Battery + 15K Sol-Ark Inverter +15.4KW Solar with Roof Mount and Wiring

The 15KW Complete Offgrid Solar Kit - 2x 32kWh OMO 48V Freedom Series Lithium Battery + 15K Sol-Ark Inverter +15.4KW Solar with Roof Mount and Wiring provides a powerful, expandable solution for full off-grid living. It includes a 64,000Wh (2×32kWh) OMO 48V Freedom Series heated lithium battery bank, a 15.4KW bifacial mono solar array, and the industry-leading Sol-Ark 15K hybrid inverter. This system produces approximately 69,300Wh per day with 4.5 sun hours and is ideal for mid-sized homes consuming around 2,000 kWh per month. Designed for long-term scalability, you can add more panels or batteries as your energy needs grow.

Specifications

• Solar Array: 28 × 550W bifacial mono panels (15,400W total)

• Inverter: Sol-Ark 15K 48V hybrid/off-grid inverter (with built-in MPPT controller)

• Battery Bank: 2 × OMO 32kWh 48V Freedom Series heated lithium batteries (Bluetooth + LCD) — 64,000Wh usable

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

• Balance of System: Solar combiner box, 2× Anderson battery cable sets, gutter box, 500’ PV wire (10AWG), 100’ 6AWG AC/generator cable, 20’ 4/0 AC main line, MC4 crimp kit, installation manual

• Documentation: Battery Specification Sheet

Features

• Bifacial Double-Glass Panels: Up to 25% additional rear-side energy harvest; strong low-light performance.

• Durability: 5400Pa snow load & 2400Pa wind load; 30-year performance warranty.

• High-Capacity Storage: 64kWh heated lithium battery bank built for extreme climates.

• Home Compatibility: Powers wells, washers, fans, TVs, lights, refrigerators/freezers, small AC units, and electronics.

• Expandable Design: Add more solar panels or batteries anytime as your energy needs increase.

• Roof-Mount Ready: Full IronRidge roof-mount hardware included; engineered for long-term reliability.

Maintenance

• Daily: Check inverter system status; verify panels are free of shading or debris.

• Weekly: Inspect battery indicators via Bluetooth/LCD; verify cable integrity and mounting hardware.

• Annually: Clean panels, check torque on roof-mount fasteners, and perform a full electrical inspection.

Warranty

• Panels: 30-year performance warranty

• Sol-Ark 15K Inverter: 10-year warranty; 97.5% efficiency, 3× MPPT, WiFi, generator support, NEMA 3R outdoor-rated, 4ms transfer time, and stackable up to 8 units