70KW Complete Offgrid Solar Kit + 4x 15K Sol-Ark Inverter + 2x 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 + 2x 32kWh OMO 48V Freedom Series Lithium Battery +70.4KW Solar with Ground Mount and Wiring is engineered for large homes, farms, and high-demand off-grid properties. With four Sol-Ark 15K inverters, a massive 70.4KW bifacial solar array, and 64kWh of premium OMO lithium storage, this system delivers exceptional daily energy production—up to 316,800 watts per day based on 4.5 hours of sunlight. Designed for long-term performance and future scalability, this kit includes everything needed for a complete ground-mount installation.

Specifications

• Inverters: 4× Sol-Ark 15K Hybrid/Off-Grid Inverters (48V) with built-in MPPT controllers

• Battery Bank: 2× OMO 32kWh 48V Freedom Series Heated Lithium Batteries (64kWh total)

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

• Mounting: Complete Iron Ridge Ground Mount Kit (customer supplies 3" sch 40 pipe)

• Included Hardware: 4× PV combiner boxes, AC combiner kit, gutter boxes, wiring spools, MC4 crimper kit, battery cable sets, installation manual

Features

• High-Output Bifacial Panels: Double-glass construction, up to 25% rear-side gain, superior low-light performance, 5400PA snow load, 2400PA wind load, 30-year power warranty

• Scalable System: Expandable with additional panels, batteries, and inverter stacking (up to 8 units)

• Advanced MPPT: 3× MPPT inputs per inverter for maximum solar efficiency

• Off-Grid & Grid-Tie Ready: Works with or without batteries; generator-ready; supports hybrid configurations

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

• High Efficiency: 97.5% inverter efficiency with 4ms automatic transfer switching

Maintenance

• Daily: Check inverter status and review battery monitoring readings

• Weekly: Inspect ground-mount structure, wiring connections, and combiner boxes

• Annually: Tighten mounting hardware, clean panels thoroughly, and review inverter logs

Warranty

• Solar Panels: 30-year power warranty

• Sol-Ark Inverters: 10-year manufacturer warranty