70KW Complete Offgrid Solar Kit + 4x 15K Sol-Ark Inverter + 2x 32kWh OMO 48V Freedom Series Lithium Battery +70.4KW Solar with Roof 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 Roof Mount and Wiring is engineered for large off-grid homes, agricultural setups, and high-demand properties. Delivering up to 316,800 watts of daily solar production based on 4.5 peak sun hours, this system supports properties using approximately 9,500 kWh per month. The included 64kWh OMO Freedom Series lithium battery bank and four Sol-Ark 15K hybrid inverters create a powerful, scalable solution designed for long-term reliability and expansion.

Specifications

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

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

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

• Mounting: Complete Iron Ridge roof-mount rail system with splices, L-feet, fasteners, and bolts

• Included Hardware: 4× PV combiner boxes, AC combiner kit, MC4 crimp kit, gutter boxes, wiring spools (MC4, AC, and 2/0 main line), Anderson battery cables, full installation manual

Features

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

• Hybrid Capability: Works off-grid or grid-tied, with or without batteries, plus full generator integration

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

• Smart Interface: LCD touchscreen control, WiFi monitoring, and remote access support

• Scalable Design: Parallel stacking up to 8 Sol-Ark units for extreme expansion requirements

• Fast Transfer: 4ms switching between battery and grid/generator power

Maintenance

• Daily: Review inverter status and battery readouts; confirm system is producing normally

• Weekly: Inspect roof-mount hardware, wiring connections, and combiner boxes

• Annually: Clean solar panels thoroughly, tighten mount hardware, and evaluate inverter logs for maintenance

Warranty

• Solar Panels: 30-year performance warranty

• Sol-Ark Inverters: 10-year manufacturer warranty