70KW Complete Offgrid Solar Kit + 4x 15K Sol-Ark Inverter + 3x 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 + 3x 32kWh OMO 48V Freedom Series Lithium Battery +70.4KW Solar with Ground Mount and Wiring is engineered for large homes, farms, and full off-grid properties requiring high power output and long-duration storage. With a massive 70.4KW bifacial solar array and industry-leading Sol-Ark 15K inverters, this system can generate approximately 316,800 watts of solar energy per day (at ~4.5 sun hours). It is fully scalable for future panel or battery expansion.

Specifications

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

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

• Battery Storage: 3 × OMO 32KW 48V Freedom Series heated lithium batteries (96KW total storage), with Bluetooth monitoring and LCD display

• Ground Mount System: Complete Iron Ridge ground-mount kit (rails, top caps, connectors, fasteners). Customer supplies 3" Schedule 40 pipe locally.

• Included Components: 4 × PV combiner boxes, 2 × 500' spools of 10AWG MC4 solar cable, MC4 crimper tool set, 2 × 100' 6AWG AC output/input cables, 2 × 20' 2/0 AC main line spools, 4 × wire gutter boxes, AC combiner box kit (for 2+ Sol-Ark units), 3 × Anderson battery cable sets, installation manual

Features

• Bifacial Power Technology: Double-glass panels capture up to 25% additional energy from rear illumination; extreme durability with 5400PA snow load & 2400PA wind load.

• Hybrid System Flexibility: Works in grid-tie, off-grid, or hybrid mode; supports generator input; operates with or without batteries.

• Triple MPPT Inputs: Each Sol-Ark 15K includes 3 MPPT controllers for optimized solar harvesting.

• Smart Monitoring: LCD touchscreen, WiFi connectivity, advanced diagnostics, and transformerless 97.5% efficiency design.

• Expandable Architecture: Sol-Ark units can be parallel stacked up to 8 inverters for major system expansion.

• Fast Transfer: 4ms automatic transfer from grid to battery power for seamless operation.

Maintenance

• Daily: Check inverter output, battery SOC, and solar production via app or LCD.

• Weekly: Inspect wiring, combiner boxes, and ground-mount hardware; clear debris around array.

• Annually: Clean panels, tighten all mounting hardware, and conduct full electrical system diagnostics.

Warranty

• Solar Panels: 30-year performance warranty

• Sol-Ark Inverters: 10-year manufacturer warranty