90KW Complete Offgrid Solar Kit + 5x 15K Sol-Ark Inverter + 32kWh OMO 48V Freedom Series Lithium Battery +90.2KW Solar with Roof Mount and Wiring

The 90KW Complete Offgrid Solar Kit + 5x 15K Sol-Ark Inverter + 32kWh OMO 48V Freedom Series Lithium Battery +90.2KW Solar with Roof Mount and Wiring is engineered for large homes, farms, and high-demand off-grid properties requiring powerful whole-home energy independence. Producing approximately 405,900 watts per day (based on 4.5 sun hours), this premium system includes a 90.2KW bifacial solar array, five Sol-Ark 15K hybrid inverters, and a 32kWh OMO Freedom Series heated lithium battery—fully expandable for future panel or battery additions.

Specifications

• Solar Panels: 164× 550W bifacial mono panels (90,200W total array)

• Inverters: 5× Sol-Ark 15K Hybrid/Off-Grid 48V inverters (MPPT charge controllers built in)

• Battery Bank: 1× OMO 32kWh 48V Freedom Series heated lithium battery with Bluetooth + LCD readout

• Mounting: Full IronRidge ROOF-mount rails, splices, L-feet, fasteners & bolts

• Wiring Package: 2× 500' MC4 10AWG solar cable, 2× 100' 6AWG AC cables, 2× 20' 2/0 AC main lines

• Combiner & Accessories: 5× solar PV combiner boxes, AC combiner kit, 5× wire gutter boxes, MC4 crimper set, Anderson plug battery cable set

• Documentation: Installation manual; Battery Specification Sheet

• Panel Durability: 5400 PA snow load / 2400 PA wind load; double-glass bifacial panels; 30-year power warranty

Features

• Bifacial Energy Gain: Up to 25% rear-side boost; superior weak-light performance (cloudy, hazy, early-morning)

• Scalable Off-Grid Power: System supports additional panels & battery expansion

• Roof Mount System: Heavy-duty IronRidge components for long-term structural reliability

• Smart Battery: Heated lithium battery with Bluetooth monitoring & integrated LCD display

• Complete Installation Package: Includes AC/DC wiring, combiners, gutters, and tools

Sol-Ark 15K Inverter Specs

• Output: 120/240V split phase

• Battery Options: Works with or without batteries (48V lithium or lead-acid)

• Modes: Grid-tie or off-grid

• MPPT Inputs: 3 independent MPPT channels

• Generator Support: Fully supported

• Interface: LCD touchscreen + WiFi connectivity

• Efficiency: 97.5% inverter efficiency; DC transformerless; NEMA 3R outdoor rated

• Stacking: Parallel up to 8 units; 4ms transfer time (battery ↔ grid)

Maintenance

• Daily: Confirm inverter operation; ensure roof array is unobstructed

• Weekly: Check wiring paths and remove debris from panel surfaces

• Annually: Inspect mounting hardware, electrical connections, and performance data

Warranty

• Solar Panels: 30-year performance warranty

• Inverters: 10-year Sol-Ark warranty

• Battery: OMO Freedom Series manufacturer warranty (see spec sheet)