12KW Complete Offgrid Solar Kit - Homegrid 9.6kWh Lithium Battery + 15K Sol Ark Inverter +13.2KW Solar with Mounting Rails and Wiring)

The 12KW Complete Offgrid Solar Kit - Homegrid 9.6kWh Lithium Battery + 15K Sol Ark Inverter +13.2KW Solar with Mounting Rails and Wiring is a fully featured off-grid power system designed for mid-sized homes using around 1,700 kWh per month. The included 9.6kWh HomeGrid Stack’d lithium battery provides reliable energy storage, while the high-performance 13.2kW bifacial solar array delivers approximately 59,400 watts/day with 4.5 peak sun hours. This system is engineered for long-term expandability, allowing you to add more panels or batteries as your energy needs grow.

Specifications

• Solar Panels: 24× 550W Bifacial Mono Panels (13,200W total array)

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

• Battery: HomeGrid 9.6kWh 48V Stack’d Lithium (Expandable to 38.4kWh per stack)

• Mounting: IronRidge Roof Mount rails, splices, legs, fasteners, and bolts

• Combiner Box: Solar combiner box sized for future array expansion

• Battery Cabling: Anderson plug battery cable set for inverter connection

• Enclosures: Gutter box included

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

• Tools: MC4 crimp kit

• Documentation: Installation manual

Features

• Bifacial Double-Glass Panels: Capture up to 25% rear-side gain with enhanced low-light production

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

• Sol-Ark Output: 120/240V split-phase for full-home power support

• Battery Flexibility: Compatible with lead-acid and lithium; operates with or without batteries

• Advanced MPPT: 3× independent MPPT inputs for optimized string configurations

• Smart Monitoring: LCD touchscreen + WiFi connectivity

• High Efficiency: 97.5% inverter efficiency plus transformerless design

• Outdoor Rated: NEMA 3R enclosure for all-weather use

• Scalable System: Parallel stacking up to 8 Sol-Ark units

• Fast Transfer: 4ms switch from batteries to grid power

Maintenance

• Daily: Monitor battery state and inverter notifications

• Weekly: Inspect panels for debris, shading, or roof obstructions

• Annually: Tighten racking hardware, clean PV modules, review electrical connections

Warranty

• Sol-Ark Inverter: 10 years

• Solar Panels: 30-year power warranty

• Battery: Manufacturer warranty per HomeGrid specifications