25KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 15.36KW OMO Stack Lithium Battery +26.4KW Solar with Ground Mount and Wiring

The 25KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 15.36KW OMO Stack Lithium Battery +26.4KW Solar with Ground Mount and Wiring delivers a complete, high-output power solution for homeowners seeking full energy independence. Featuring 26.4KW of bifacial solar panels, two Sol-Ark 15K split-phase inverters, and a 15.36kWh OMO heated lithium battery bank, this system produces approximately 118,800 watts of solar energy per day based on 4.5 sun hours. Ideal for medium to large homes using around 3,500 kWh per month, this kit is fully expandable for future panel or battery upgrades.

Specifications

• Solar Array: 48 × 550W bifacial mono-crystalline panels (26,400W total)

• Inverters: 2 × Sol-Ark 15K-2P-N split-phase pure sine inverters (grid-tied, generator compatible)

• Battery System: 3 × OMO 51.2V 5.12kWh heated lithium batteries + OMO stackable combiner with LCD readout (15.36kWh total)

• Battery Mounting: 1 × OMO wheeled base unit

• Mounting Hardware: IronRidge ground-mount rails, top caps, rail connectors, fasteners, and bolts

• Wiring & BOS Components: 2 × solar PV combiner boxes, 500' 10AWG MC4 solar cabling, 100' 6AWG AC cable, 20' 2/0 AC main line, 2 wire gutter boxes, AC combiner kit, MC4 crimp tool, installation manual

Features

• Bifacial High-Efficiency Panels: Up to 25% rear-side production gain, 5400 PA snow load, 2400 PA wind load, double-glass construction, 30-year power warranty

• Sol-Ark 15K Performance: 120/240V split phase, works with or without batteries, 48V battery input, grid-tie or off-grid, 9kW continuous output, 16kW 10-second surge

• Advanced MPPT: 3 × MPPT inputs for maximum solar harvest and flexible array design

• Smart Monitoring: Touchscreen interface + WiFi connectivity for real-time system control

• Parallel Capability: Stack up to 8 Sol-Ark units for massive whole-home power needs

• Fast Transfer Rate: 4 ms transfer between grid and battery for seamless backup

Maintenance

• Daily: Ensure panels remain unobstructed and verify inverter status

• Weekly: Inspect battery enclosure, wiring, and combiner boxes

• Annually: Clean panels, update inverter firmware, and tighten mounting hardware

Warranty

• Sol-Ark Inverters: 10-year manufacturer warranty

• Solar Panels: 30-year performance warranty