20KW Complete Offgrid Solar Kit - 32kWh OMO 48V Freedom Series Lithium Battery + 2x 15K Sol-Ark Inverter +19.8KW Solar with Ground Mount and Wiring

The 20KW Complete Offgrid Solar Kit - 32kWh OMO 48V Freedom Series Lithium Battery + 2x 15K Sol-Ark Inverter +19.8KW Solar with Ground Mount and Wiring is designed for those who demand the best. This complete off-grid package pairs a 19.8KW bifacial solar array with two Sol-Ark 15K hybrid/off-grid inverters and a single OMO 32kWh heated lithium battery for 32,000 watts of usable stored energy. Delivering about 89,100 watts per day at 4.5 peak-sun hours, it’s ideal for larger homes using roughly 2,670 kWh per month, and it’s engineered for future expansion with additional panels or batteries.

Specifications

• Solar Array: 36× 550W bifacial mono panels (19,800W array)

• Inverters: 2× Sol-Ark 15K Hybrid/Off-Grid 48V with built-in MPPT

• Battery Bank: 1× OMO 32kWh 48V Freedom Series (heated, Bluetooth, LCD)

• Ground Mount: Iron Ridge rails, top caps, connectors, hardware (3" Sch 40 pipe sourced locally)

• Cabling & Hardware: 2× PV combiner boxes, 1× AC combiner kit, Anderson battery cable set, 500' 10AWG PV wire, 100' 6AWG AC/gen cable, 20' 4/0 AC main, 2× gutter boxes, MC4 crimp kit, installation manual

Features

• Bifacial Double-Glass Panels: Up to 25% rear-side energy gain and excellent low-light performance

• High Durability: 5400 PA snow load / 2400 PA wind load; 30-year power warranty

• Smart Storage: 32kWh heated lithium battery with Bluetooth monitoring and LCD readout

• Sol-Ark Technology: 120/240V split phase, 3× MPPT inputs, generator support, LCD touchscreen, WiFi connectivity

• Efficiency & Protection: 97.5% inverter efficiency, DC transformerless, NEMA 3R outdoor-rated, 10-year warranty

• Scalable Design: Built for future expansion; parallel stacking up to 8 Sol-Ark units

Maintenance

• Daily: Check inverter/app status; ensure modules are clear of debris and shading

• Weekly: Inspect wiring runs, combiner boxes, and verify production output

• Annually: Inspect ground-mount hardware, grounding, connectors, and apply inverter firmware updates

Warranty

• Solar Panels: 30-year power warranty

• Sol-Ark Inverters: 10-year manufacturer warranty

Battery Specification Sheet