12KW Complete Offgrid Solar Kit - 32kWh OMO 48V Freedom Series Lithium Battery + 15K Sol-Ark Inverter +13.2KW Solar with Mounting Rails and Wiring

The 112KW Complete Offgrid Solar Kit - 32kWh OMO 48V Freedom Series Lithium Battery + 15K Sol-Ark Inverter +13.2KW Solar with Mounting Rails and Wiring  is a turnkey power solution for mid-sized off-grid homes (~1,700 kWh/month). It pairs a 32kWh OMO 48V Freedom Series lithium battery with a 13.2kW bifacial solar array and a Sol-Ark 15K hybrid all-in-one inverter. Expect roughly 59,400 Wh/day production with 4.5 sun-hours. The package includes mounting rails and wiring, is designed for simple expansion (add panels/batteries later), and supports grid-tie, off-grid, or battery-backup operation.

Specifications

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

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

• Battery: OMO 32kWh 48V Freedom Series (Heated, Bluetooth, LCD)

• Mounting: Complete Iron Ridge Rails/Splices/Legs/Fasteners/Bolts

• Combiner Box: Solar combiner (built for future expansion)

• Battery Cables: Anderson Plug set for inverter/battery connection

• Enclosures: Gutter box

• Wiring: 500' 10AWG PV direct-burial, 100' 6AWG AC out/in/gen, 20' 4/0 AC main

• Tools: MC4 crimp kit

• Documentation: Installation manual

• Battery Spec Sheet: View PDF

Features

• Bifacial High-Yield Panels: Up to 25% rear-side gain; better in low-light

• Rugged Module Design: 5400 Pa snow / 2400 Pa wind load; 30-year power warranty

• Sol-Ark Output: 120/240V split-phase; grid-tie or off-grid; works with or without batteries

• Charging: 3 × MPPT inputs (built-in)

• Backup & Control: Generator support, LCD touch screen, Wi-Fi connectivity

• Efficiency & Protection: 97.5% inverter efficiency, DC transformerless, NEMA 3R outdoor-rated

• Scalability: Parallel stacking up to 8 Sol-Ark units

• Fast Transfer: ~4 ms switching from batteries to grid power

Maintenance

• Daily: Check inverter status and battery SOC on LCD/app

• Weekly: Inspect array for debris/shading; verify combiner/breakers

• Annually: Torque-check mounts, inspect wiring/grounding, clean modules

Warranty

• Sol-Ark Inverter: 10 years

• Solar Panels: 30-year power warranty

• Battery: Per manufacturer spec sheet