70KW Complete Offgrid Solar Kit + 4x 15K Sol-Ark Inverter + 32kWh OMO 48V Freedom Series Lithium Battery +70.4KW Solar with Ground Mount and Wiring

The 70KW Complete Offgrid Solar Kit + 4x 15K Sol-Ark Inverter + 32kWh OMO 48V Freedom Series Lithium Battery +70.4KW Solar with Ground Mount and Wiring is engineered for large off-grid homes, agricultural operations, and commercial-scale energy demands. Producing up to 316,800 watts of power daily (based on 4.5 sun hours), this system supports properties consuming around 9,500 kWh per month. Designed for long-term scalability, it allows future expansion with additional solar panels or battery storage as needed.

Specifications

• Solar Panels: 128 × 550W bifacial mono-crystalline panels (70,400W total array)

• Inverters: 4 × Sol-Ark 15K 48V hybrid/off-grid inverters with built-in MPPT charge controllers

• Battery Storage: 1 × OMO 32kWh 48V Freedom Series Heated Lithium Battery with Bluetooth + LCD display

• Mounting System: Complete Iron Ridge ground-mount rail system with top caps, connectors, bolts, and fasteners (built for 3" sch 40 pipe – customer supplied locally)

• Included Components: 4 × PV combiner boxes, MC4 crimp kit, 10AWG solar cabling, AC generator cabling, 2/0 main line, 4 × wire gutter boxes, AC combiner box kit, Anderson battery cable set, installation manual

Features

• Bifacial Solar Technology: Double-glass panels capture up to 25% additional rear-side energy, offering excellent low-light performance and superior durability (5400PA snow load / 2400PA wind load)

• Sol-Ark Hybrid Functionality: Supports grid tie, off-grid, or hybrid use with generator backup and full battery-optional operation

• Advanced MPPT Inputs: Each inverter includes 3 MPPT controllers for increased solar harvest efficiency

• Smart Monitoring: LCD touchscreen, WiFi connectivity, and remote monitoring capability

• Expandable System: Parallel stacking supports up to 8 Sol-Ark 15K units

• Fast Power Transfer: 4ms transfer time between battery and grid/generator power

Maintenance

• Daily: Check inverter screen, system status, and battery charge levels

• Weekly: Inspect cabling, connectors, and combiner box components

• Annually: Clean solar panels, tighten mounting hardware, and run a complete system diagnostic including inverter logs

Warranty

• Solar Panels: 30-year performance warranty

• Sol-Ark Inverters: 10-year manufacturer warranty