15KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 30.72KW OMO Stack Lithium Battery +15.4KW Solar with Ground Mount and Wiring

The 15KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 30.72KW OMO Stack Lithium Battery +15.4KW Solar with Ground Mount and Wiring provides a powerful and expandable full-home energy solution. Equipped with a 30.72kWh heated OMO stackable lithium battery bank and a 15.4KW bifacial solar array, this system can produce approximately 69,300 watts per day with 4.5 hours of peak sun. It is ideal for mid-sized homes averaging around 2,000 kWh/month and offers seamless scalability for future expansion.

Specifications

• Solar Panels: 28 × 550W bifacial mono double-glass (15,400W total)

• Inverter: Sol-Ark 15K-2P-N pure sine wave split-phase inverter, grid-tie compatible, generator-ready

• Battery Bank: 6 × OMO 51.2V 5.12kWh heated stackable lithium batteries with Bluetooth (30.72kWh total)

• Battery Accessories: OMO stackable combiner with LCD display + OMO wheeled base unit

• Ground Mount Hardware: Complete IronRidge ground mount system including rails, top caps, connectors, fasteners & bolts (customer supplies local 3" sch 40 pipe)

• Electrical Components: Solar PV combiner box, 500’ 10AWG MC4 cabling, 100’ 6AWG AC/generator cable, 20’ 2/0 AC main line, wire gutter boxes, AC combiner kit (multi-Sol-Ark compatible), MC4 crimp tool set, installation manual

Features

• Bifacial Double-Glass Panels: Up to 25% additional rear-side energy capture; superior output in cloudy or low-light conditions

• High Durability: Rated for 5400Pa snow load & 2400Pa wind load; backed by a 30-year performance warranty

• Large-Capacity Storage: 30.72kWh heated lithium battery bank ideal for extended off-grid autonomy

• Home Power Support: Capable of running wells, washers, fans, TVs, lighting, refrigerators, freezers, electronics, and small AC units

• Expandable Design: Add more batteries or panels as needed

Maintenance

• Daily: Inspect inverter readings and ensure panels remain unobstructed

• Weekly: Check battery health via Bluetooth app & verify ground mount stability

• Annually: Clean solar panels, tighten rack hardware, and conduct system-wide electrical inspection

Sol-Ark 15K Inverter Specs

• Output: 120/240V split phase pure sine wave

• Battery Compatibility: Operates with or without batteries; supports 48V lithium or lead-acid

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

• MPPT Inputs: Built-in MPPT controller with 3 independent trackers

• Interface & Connectivity: LCD touchscreen, Wi-Fi enabled, generator ready, transformerless design

• Durability: NEMA 3R outdoor-rated enclosure; 97.5% inverter efficiency; 10-year warranty

• Advanced Performance: Parallel stacking up to 8 units; 4ms automatic transfer from grid to batteries