6KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 15.36KW OMO Stack Lithium Battery +6.6KW Solar with Mounting Rails and Wiring

The 6KW Complete Offgrid Solar Kit - 15K Sol-Ark Inverter + 15.36KW OMO Stack Lithium Battery +6.6KW Solar with Mounting Rails and Wiring pairs a high-efficiency Sol-Ark 15K split-phase inverter with a 15.36kWh heated OMO stackable lithium battery system and a 6.6kW bifacial solar array. Expect up to 29,700W/day in ~4.5 peak-sun-hour regions. This expandable system is ideal for small homes, cabins, shops, RV/pole barn use, and more—add panels or batteries anytime as your energy needs grow.

Specifications

• Solar Panels: 12 × 550W bifacial mono (6,600W total array)

• Inverter: Sol-Ark 15K-2P-N split-phase; grid-tie compatible; generator input ready

• Battery Bank: 3 × OMO 51.2V 5.12kWh heated stackable LiFePO₄ batteries w/ Bluetooth (15.36kWh)

• Battery Hardware: OMO Stackable Combiner with LCD readout + OMO wheeled base unit

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

• Combiner & Balance of System: Solar PV combiner box; wire gutter boxes; MC4 crimper tool set

• Cabling: 500′ 10AWG MC4 solar array cabling; 100′ 6AWG AC output/input/generator cable; 20′ 2/0 AC main line

• Durability (Panels): 5400 Pa snow / 2400 Pa wind; 30-year power warranty

• Documentation: Installation manual included

Features

• Bifacial Energy Gain: Up to ~25% rear-side harvesting; better low-light performance

• Split-Phase Output: 120/240V for whole-home compatibility

• Flexible Modes: Works with or without batteries; grid-tie, hybrid, or off-grid

• 3× MPPT Inputs: Optimized solar production across multiple strings

• Generator Support: Seamless backup integration

• Smart Monitoring: LCD touchscreen and Wi-Fi connectivity

• High Efficiency: 97.5% inverter efficiency; DC transformerless

• Outdoor-Rated: NEMA 3R enclosure

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

• Fast Transfer: ~4 ms from batteries to grid/generator

• Appliance Ready: Runs wells, washers, fans, TVs, lights, refrigerators/freezers, PCs/tablets, and small AC systems

Maintenance

• Daily: Verify inverter/battery status; keep array free of shade and debris

• Weekly: Check combiner/inverter logs; visually inspect wiring and roof hardware

• Annually: Clean modules; torque-check rails/bolts; test grounding and generator transfer

Warranty

• Sol-Ark 15K Inverter: 10 years

• Solar Panels: 30-year performance warranty

• OMO Batteries & Hardware: Manufacturer warranty applies