15KW Complete Offgrid Solar Kit - 2x 32kWh OMO 48V Freedom Series Lithium Battery + 15K Sol-Ark Inverter +15.4KW Solar with Ground Mount and Wiring

The 15KW Complete Offgrid Solar Kit - 2x 32kWh OMO 48V Freedom Series Lithium Battery + 15K Sol-Ark Inverter +15.4KW Solar with Ground Mount and Wiring  is a scalable, turnkey package for full off-grid homes. It pairs a 64,000Wh (2×32kWh) OMO 48V Freedom Series heated lithium battery bank with a 15.4KW bifacial solar array and a Sol-Ark 15K hybrid inverter. Expect about 69,300Wh/day with 4.5 peak sun hours. Ideal for mid-sized homes around 2,000 kWh/month, with headroom to expand panels or batteries as needs grow.

Specifications

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

• Inverter: Sol-Ark 15K 48V hybrid/off-grid all-in-one (built-in MPPT)

• Battery Bank: 2 × OMO 32kWh 48V Freedom Series (heated, Bluetooth, LCD) — 64,000Wh usable

• Mounting: Complete IronRidge ground-mount kit (rails, top caps, connectors, fasteners, bolts)

• Balance of System: Solar combiner box, gutter box, 2× Anderson battery cable sets, 500’ 10AWG PV wire, 100’ 6AWG AC/generator cable, 20’ 4/0 AC main line, MC4 crimp kit, installation manual

• Documentation: Battery Specification Sheet

Features

• Bifacial Double-Glass Panels: Up to 25% rear-side gain; strong performance in cloudy/low-light conditions

• Rugged Construction: 5400Pa snow load / 2400Pa wind load; 30-year performance warranty

• High-Capacity Storage: 64kWh heated lithium bank for substantial backup/runtime

• Appliance Coverage: Suitable for wells, washers, fans, TVs, lighting, refrigerators/freezers, devices, and smaller AC systems

• Expandable Design: Engineered to add panels or batteries later as needs increase

• Ground-Mount Friendly: Designed around 3" Schedule 40 pipe sourced locally; all other hardware supplied

Maintenance

• Daily: Check inverter status; ensure array is unobstructed

• Weekly: Review battery health via Bluetooth/LCD; inspect mounts and wiring

• Annually: Wash panels; torque-check ground-mount hardware; full electrical inspection

Warranty

• Panels: 30-year performance warranty

• Inverter: Sol-Ark 15K — 10-year warranty; 97.5% efficiency, NEMA 3R outdoor-rated, 3× MPPT, generator support, Wi-Fi, 4ms transfer, stack up to 8 units