40KW Complete Offgrid Solar Kit + 3x 15K Sol-Ark Inverter + 3x 32kWh OMO 48V Freedom Series Lithium Battery +40.15KW Solar with Ground Mount and Wiring

The 40KW Complete Offgrid Solar Kit + 3x 15K Sol-Ark Inverter + 3x 32kWh OMO 48V Freedom Series Lithium Battery +40.15KW Solar with Ground Mount and Wiring is engineered for high-demand off-grid homes, farms, and large properties requiring dependable whole-home power. Featuring a 40.15KW bifacial solar array, three Sol-Ark 15K hybrid/off-grid inverters, and an impressive 96kWh heated lithium battery bank, this package delivers exceptional energy independence. Producing approximately 180,675 watts/day (based on 4.5 sun-hours), it supports homes using roughly 5,420 kWh/month and remains fully scalable for future expansion.

Specifications

• Solar Array: 73 × 550W bifacial mono panels (40,150W total output)

• Inverters: 3 × Sol-Ark 15K Hybrid/Off-Grid All-in-One (with built-in MPPT charge controller)

• Battery Storage: 3 × OMO 32kWh 48V Freedom Series heated lithium batteries (96kWh total)

• Mounting: IronRidge GROUND mount rails, top caps, rail connectors, fasteners & bolts (3" SCH 40 pipe supplied locally by customer)

• Combiner & Electrical: 3 × Solar PV combiner boxes; 1 × AC combiner box kit for multi-inverter configurations; 3 × wire gutter boxes

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

• Tools & Accessories: MC4 crimper set; 3 × Anderson plug battery cable sets; installation manual

• Battery Specs: Battery Specification Sheet

Features

• Bifacial Double-Glass Panels: Gain up to 25% additional energy using rear-side illumination

• High Durability: 5400 PA snow load and 2400 PA wind load with a 30-year power warranty

• Massive Battery Bank: 96kWh storage capacity for full off-grid autonomy

• Scalability: Expandable with additional batteries, solar panels, and inverters

• Ground-Mount System: Perfect for properties with open land and high-capacity solar layouts

• Advanced Power Control: Hybrid operation, generator integration, and full power monitoring

Maintenance

• Daily: Check inverter status and battery charge levels

• Weekly: Visual inspection of panels, wiring, and combiner boxes

• Annually: Deep clean solar panels and perform a full electrical system review

Sol-Ark 15K Inverter Specs

• Output: 120/240V split phase

• Battery Support: Compatible with or without batteries (48V lithium or lead-acid)

• Operating Modes: Grid-tie, hybrid, or full off-grid

• MPPT: Integrated solar charge controller with 3 MPPT inputs

• Generator Support: Yes

• User Interface: LCD touch display with WiFi monitoring

• Efficiency: High 97.5% inverter efficiency

• Durability: NEMA 3R outdoor-rated enclosure; 10-year warranty

• System Expansion: Parallel stacking of up to 8 units

• Transfer Time: Ultra-fast 4ms switch from grid to battery

Warranty

• Solar Panels: 30-year performance warranty

• Sol-Ark Inverters: 10-year manufacturer warranty

• Lithium Batteries: Warranty details available in specification sheet