15KW Complete Offgrid Solar Kit + 15K Sol-Ark Inverter +15.4KW Solar with Mounting Rails and Wiring

The 15KW Complete Offgrid Solar Kit + 15K Sol-Ark Inverter +15.4KW Solar with Mounting Rails and Wiring  is a powerful starter package designed for full off-grid homes. Producing approximately 69,300 watts per day based on 4.5 hours of peak sun, this system is ideal for mid-sized homes consuming around 2,000 kWh per month. Built for future expansion, the kit allows you to easily add additional solar panels or batteries over time.

This system can operate with or without batteries, giving you the freedom to add a 48V battery at any time to the Sol-Ark inverter for energy storage and nighttime backup.

Specifications

• Solar Panels: 28 × 550W Bifacial Mono Panels (15,400W array)

• Inverter: Sol-Ark 15K Hybrid/Off-Grid All-in-One, 48V with built-in MPPT charge controller

• Mounting Rails: Complete IronRidge mounting system (rails, splices, legs, fasteners)

• Wiring: 500' PV 10AWG wire, 100' 6AWG AC wire, 20' 4/0 AC main line

• Accessories: Solar combiner box, gutter box, MC4 crimp kit, installation manual

Features

• Bifacial Double-Glass Panels: Produce up to 25% additional rear-side energy; excellent low-light output

• High Durability: 5400Pa snow load, 2400Pa wind load, 30-year power warranty

• Battery Optional: System runs with or without a battery; add 48V storage anytime

• Expandable Design: Easily add more panels or batteries for increased capacity

• Installation Options: Professional installation available by request

Inverter Specifications

• Output: 120/240V split phase

• Battery Support: Works with or without batteries; supports 48V lithium or lead-acid

• Power Rating: 9KW continuous, 16KW surge (10 seconds)

• MPPT: Built-in charge controller with 3 MPPT inputs

• Generator Support: Compatible with auto-start generators

• User Interface: LCD touchscreen with WiFi connectivity

• Design: DC transformerless, 97.5% efficiency

• Durability: NEMA 3R outdoor-rated enclosure

• Warranty: 10 years

• Scalability: Parallel stacking up to 8 units

• Transfer Time: 4ms from batteries to grid