15KW Complete Offgrid Solar Kit - Homegrid 9.6kWh Lithium Battery + 15K Sol Ark Inverter +15.4KW Solar with Ground Mount Rails and Wiring

The 15KW Complete Offgrid Solar Kit - Homegrid 9.6kWh Lithium Battery + 15K Sol Ark Inverter +15.4KW Solar with Ground Mount Rails and Wiring  is a powerful, expandable, and reliable whole-home off-grid solution. Featuring a 9.6kWh HomeGrid Stack’d Series Lithium Battery and a high-efficiency 15K Sol-Ark inverter, this system delivers clean, dependable power with the ability to scale up to 38.4kWh per battery stack. Paired with a robust 15.4KW bifacial solar array, it produces approximately 69,300 watts per day based on 4.5 sun hours — ideal for mid-sized homes using around 2,000 kWh monthly.

Specifications

• Solar Array: 28 × 550W bifacial mono panels (15,400W array)

• Inverter: Sol-Ark 15K Hybrid/Off-Grid Inverter with built-in MPPT charge controller

• Battery System: 1 × 9.6kWh HomeGrid 48V Stack’d Lithium Battery (expandable up to 38.4kWh per unit)

• Mounting System: IronRidge ground-mount rails, top caps, connectors, fasteners, and bolts

• Wiring & Components: Solar combiner box, Anderson battery cable set, 500' PV wire, 100' 6AWG AC/generator cable, 20' 4/0 AC main line, MC4 crimp kit, gutter box, installation manual

Features

• Bifacial Double-Glass Panels: Capture up to 25% extra rear-side energy for increased production in low-light conditions

• High Weather Resistance: Rated for 5400Pa snow load and 2400Pa wind load with a 30-year warranty

• Modular Battery Expansion: HomeGrid system allows future growth up to 38.4kWh per stack

• Ground-Mount System: Built on a 3" Schedule-40 pipe structure (customer supplies pipe locally)

• Whole-Home Power: Supports HVAC, appliances, pumps, refrigeration, electronics, and more

• Scalable Design: Expand easily with more panels or battery stacks

Maintenance

• Daily: Check solar output and ensure panels are unobstructed

• Weekly: Inspect battery indicators and verify inverter system status

• Annually: Clean solar panels, inspect wiring, hardware, and run a full inverter diagnostic

Warranty

• Solar Panels: 30-year performance warranty

• Sol-Ark 15K Inverter: 10-year warranty — 120/240V split phase, 48V battery compatibility, 9kW continuous / 16kW surge, 3× MPPT inputs, generator support, WiFi, touchscreen, 97.5% efficiency, NEMA 3R outdoor rating, parallel stacking up to 8 units, 4ms transfer time