90KW Complete Offgrid Solar Kit + 5x 15K Sol-Ark Inverter + 3x 32kWh OMO 48V Freedom Series Lithium Battery +90.2KW Solar with Ground Mount and Wiring

The 90KW Complete Offgrid Solar Kit + 5x 15K Sol-Ark Inverter + 3x 32kWh OMO 48V Freedom Series Lithium Battery +90.2KW Solar with Ground Mount and Wiring  is designed for large homes, farms, and high-demand off-grid applications. Delivering ~405,900 watts per day (based on 4.5 sun hours), this system pairs a 90.2KW bifacial solar array with five Sol-Ark 15K inverters and a 96kWh OMO Freedom Series heated lithium battery bank (3× 32kWh). It includes a full ground-mount and wiring package and is engineered to scale with additional panels or batteries over time.

Specifications

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

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

• Battery Bank: 3× OMO 32kWh 48V Freedom Series heated lithium batteries with Bluetooth & LCD (96kWh total)

• Mounting: IronRidge GROUND-mount rails, top caps, rail connectors, fasteners & bolts (uses 3" Sch 40 pipe sourced locally)

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

• Combiner & Accessories: 5× PV combiner boxes; 1× AC combiner kit; 5× wire gutter boxes; MC4 crimper tool set; 2× Anderson plug battery cable sets

• Documentation: Installation manual; Battery Specification Sheet

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

Features

• Bifacial Energy Gain: Up to 25% additional rear-side production; superior performance in cloudy, hazy, and low-light conditions

• Scalable System: Built for expansion with additional panels and batteries

• Ground Mount: Optimized tilt and airflow; robust installation using 3" Sch 40 pipe

• Smart Storage: Heated lithium batteries with Bluetooth monitoring and on-board LCD

• Comprehensive Kit: Includes AC/DC wiring, combiner boxes, gutter boxes, and tools for a complete installation

Sol-Ark 15K Inverter Specs

• Output: 120/240V split phase

• Battery Use: Operates with or without batteries (48V lithium or flooded lead-acid)

• Modes: Grid-tie or off-grid (hybrid capable)

• MPPT: 3× MPPT inputs built in

• Generator Support: Integrated

• Interface & Connectivity: LCD touchscreen; WiFi connectivity

• Efficiency & Build: 97.5% efficient; DC transformerless; NEMA 3R outdoor rated

• Warranty & Stacking: 10-year warranty; parallel stacking up to 8 units; 4ms transfer (battery ↔ grid)

Maintenance

• Daily: Verify inverter status and ensure array is unobstructed

• Weekly: Inspect ground-mount hardware and clear dust/debris from panels

• Annually: Tighten mechanical/electrical connections and review performance logs

Warranty

• Solar Panels: 30-year performance warranty

• Inverters: 10-year Sol-Ark warranty

• Batteries: OMO Freedom Series manufacturer warranty (see specification sheet)