70KW Complete Offgrid Solar Kit + 4x 15K Sol-Ark Inverter + 3x 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 + 3x 32kWh OMO 48V Freedom Series Lithium Battery +70.4KW Solar with Roof Mount and Wiring is engineered for large homes, farms, and fully off-grid properties requiring high energy output and reliable storage. Producing approximately 316,800 watts per day (based on 4.5 sun hours), this system is ideal for properties using around 9,500 kWh per month. It is fully scalable for future expansion with additional batteries or solar panels.

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), featuring Bluetooth monitoring and LCD display

• Roof Mount System: Complete Iron Ridge roof-mount kit including rails, splices, L-feet, fasteners, and bolts

• 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 lines, 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 bifacial panels capture up to 25% additional energy from rear illumination and offer extreme durability with 5400PA snow load and 2400PA wind load.

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

• Triple MPPT Inputs: Each Sol-Ark inverter features 3 MPPT controllers for maximum solar harvesting efficiency.

• Smart Monitoring: Includes LCD touchscreen, WiFi connectivity, remote monitoring, and 97.5% transformerless efficiency.

• Expandable Power System: Supports parallel stacking of up to 8 Sol-Ark 15K units for massive system expansion.

• Fast Transfer: Lightning-fast 4ms transfer time between grid and battery power

Maintenance

• Daily: Review inverter performance, battery levels, and solar output via app or LCD display

• Weekly: Inspect wiring, combiner boxes, and roof mounts; remove debris or dust buildup

• Annually: Clean solar panels, tighten all roof-mount hardware, and perform a full system diagnostic

Warranty

• Solar Panels: 30-year performance warranty

• Sol-Ark Inverters: 10-year manufacturer warranty