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

The 15KW Complete Offgrid Solar Kit - Homegrid 9.6kWh Lithium Battery + 15K Sol Ark Inverter +15.4KW Solar with Mounting Rails and Wiring  is engineered for dependable whole-home off-grid power. Featuring a 9.6kWh HomeGrid Stack’d Lithium Battery, a 15K Sol-Ark Hybrid Inverter, and a high-output 15.4KW bifacial solar array, this system produces up to 69,300 watts per day based on 4.5 sun hours. Ideal for mid-sized homes that use around 2,000 kWh monthly, with full expandability for additional batteries or solar panels.

Specifications

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

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

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

• Mounting System: IronRidge roof-mount rails, splices, legs, fasteners, and bolts

• Wiring & Components: Solar combiner box, Anderson battery cable, gutter box, 500' 10AWG PV wire, 100' 6AWG AC/generator cable, 20' 4/0 AC main line, MC4 crimp kit, installation manual

Features

• Bifacial Double-Glass Panels: Capture up to 25% extra rear-side energy for higher yield in cloudy or low-light conditions

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

• Expandable Battery System: HomeGrid Stack’d modules scale up to 38.4kWh per stack

• Whole-Home Compatibility: Designed for HVAC, pumps, appliances, refrigeration, and electronics

• Roof-Mounted Structure: Secure, low-profile IronRidge rail system for long-term reliability

• Future-Ready: Built for expansion with room for additional solar panels or battery units

Maintenance

• Daily: Ensure panels remain unobstructed and system indicators show normal operation

• Weekly: Monitor battery health, inverter touch-screen data, and check for any error messages

• Annually: Clean all panels, inspect mounting hardware, tighten fasteners, and perform a full wiring inspection

Warranty

• Solar Panels: 30-year performance warranty

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