12KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 20.48KW OMO Stack Lithium Battery +13.2KW Solar with Ground Mount and Wiring

The 12KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 20.48KW OMO Stack Lithium Battery +13.2KW Solar with Ground Mount and Wiring is engineered for complete home independence. This package includes a robust 20.48kW heated stackable OMO lithium battery bank, a pure sine 120/240V Sol-Ark 15K inverter, and a powerful 13.2kW bifacial solar array. Producing up to 59,400 watts per day based on 4.5 peak sun hours, this system is ideal for mid-sized homes using around 1,700 kWh monthly and is fully expandable for future solar or battery upgrades.

Specifications

• Solar Array: 24× 550W bifacial mono double-glass solar panels (13,200W total)

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

• Battery Bank: 4× OMO 51.2V 5.12kW stackable heated lithium batteries with Bluetooth (20.48kW total)

• Battery Mounting: OMO wheeled base + OMO stackable combiner with LCD readout

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

Features

• Bifacial Solar Technology: Up to 25% additional rear-side production; double-glass durability; 5400 PA snow load; 2400 PA wind load; 30-year power warranty

• Sol-Ark Inverter Performance: 120/240V split-phase output; works with or without batteries; 9kW continuous / 16kW surge; built-in 3× MPPT charge controller; generator support; WiFi; NEMA 3R outdoor rated

• Complete Wiring Package: 500' MC4 PV wire, 100' 6AWG AC cable, 20' 2/0 AC main line, gutter boxes, AC combiner kit, and MC4 crimping tools included

• Expandable Architecture: Supports parallel stacking of up to 8 Sol-Ark 15K units for large-scale system growth

• Appliance Compatibility: Easily powers wells, washing machines, refrigerators, freezers, lighting, TVs, fans, electronics, and small AC systems

• Installation Flexibility: Ground-mount system designed for 3" Schedule 40 pipe (sourced locally)

Maintenance

• Daily: Check battery levels and ensure solar panels are unobstructed

• Weekly: Inspect inverter logs, wiring, and combiner boxes

• Annually: Clean solar panels, torque-check mounting hardware, and inspect AC/DC conduit runs

Warranty

• Solar Panels: 30-year performance warranty

• Sol-Ark Inverter: 10-year manufacturer warranty