12KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 15.36KW OMO Stack Lithium Battery +13.2KW Solar with Mounting Rails and Wiring

The 12KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 15.36KW OMO Stack Lithium Battery +13.2KW Solar with Mounting Rails and Wiring is a high-performance starter package engineered for complete off-grid living. This system includes a 15.36kW OMO stackable heated lithium battery bank, a pure sine split-phase 120/240V Sol-Ark 15K inverter, and a 13.2kW bifacial solar array. With up to 59,400 watts of daily production based on 4.5 peak sun hours, this kit is ideal for mid-sized homes using around 1,700 kWh per month and is fully expandable for future battery or panel additions.

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 compatible; generator input capable

• Battery Bank: 3× OMO 51.2V 5.12kW stackable heated lithium batteries with Bluetooth (15.36kW total)

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

• Mounting System: Complete IronRidge roof-mount rails, splices, L-feet, fasteners & bolts included

Features

• Bifacial Solar Efficiency: Generates up to 25% additional rear-side energy; double-glass construction; 5400 PA snow load / 2400 PA wind load; includes a 30-year power warranty

• Sol-Ark Performance: 120/240V split-phase output; battery-optional operation; flood-lead-acid or lithium battery compatibility; 9kW continuous / 16kW surge rating; built-in MPPT controller with 3× MPPT inputs; WiFi; generator support; transformerless, NEMA 3R outdoor rated

• Full Wiring Package: Includes 500' 10AWG MC4 PV wire, 100' 6AWG AC cable, 20' 2/0 AC main line, gutter boxes, AC combiner kit, MC4 crimper, and all required hardware

• Expandable System: Supports parallel stacking of up to 8 Sol-Ark units and additional battery or solar capacity

• Appliance Coverage: Runs essentials including wells, washing machines, refrigerators, freezers, TVs, lighting, small AC systems, and home electronics

• Ideal Application: Suitable for small homes, cabins, RVs, garages, workshops, and pole barns

Maintenance

• Daily: Monitor solar production and battery charge levels; confirm panels remain unobstructed

• Weekly: Inspect inverter logs, verify PV/AC wiring condition, and check combiner boxes

• Annually: Clean double-glass bifacial panels, torque check roof-mount hardware, inspect conduit runs, and ensure proper generator operation if used

Warranty

• Solar Panels: 30-year performance warranty

• Sol-Ark Inverter: 10-year manufacturer warranty