15KW Complete Offgrid Solar Kit + EG4 FlexBOSS21 + 32KW OMO 48V Freedom Series Lithium Battery + 15.4KW Solar with Roof Mounting Rails and Wiring

The 15KW Complete Offgrid Solar Kit + EG4 FlexBOSS21 + 32KW OMO 48V Freedom Series Lithium Battery + 15.4KW Solar with Roof Mounting Rails and Wiring  is a powerful, scalable solution designed for full off-grid living. It includes a 15.4KW bifacial solar array, the advanced EG4 FlexBOSS21 48V split-phase hybrid inverter/charger, and a robust 32KW OMO 48V Freedom Series Heated Lithium Battery with Bluetooth monitoring and LCD display.

Producing approximately 69,300 watts per day at 4.5 peak sun hours, this system is ideal for mid-sized homes with power usage around 2,000kWh/month. Built for expansion, users can easily add more batteries or solar panels over time.

Specifications

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

• Inverter/Charger: EG4 FlexBOSS21 versatile 48V split-phase hybrid inverter/charger

• Battery Storage: OMO 32KW 48V Freedom Series heated lithium battery with Bluetooth & LCD readout

• Roof Mount Hardware: Complete IronRidge roof mounting rails, splices, legs, fasteners, and bolts

• Included Components: Solar combiner box, gutter box, Anderson plug cable set, 500' PV direct-burial wire, 100' AC/generator cabling (6 AWG), MC4 crimp kit, installation manual

Features

• Bifacial Solar Panels: Double-glass design produces up to 25% additional rear-side energy and excels in low-light conditions

• Durability: 5400Pa snow load & 2400Pa wind load with a 30-year power warranty

• Suitable Environments: Ideal for small cabins, RVs, garages, pole barns, and full off-grid residential homes

• Appliance Compatibility: Supports wells, washing machines, fans, TVs, lights, refrigerators, freezers, electronics, and small AC systems

• Expandable System: Add more solar panels or batteries as your energy needs grow

• DIY-Friendly: Basic wiring knowledge is sufficient; roof mounting typically requires the most labor

Maintenance

• Daily: Check inverter & battery status; ensure panels remain unobstructed

• Weekly: Inspect wiring, roof hardware, and verify solar production

• Annually: Deep panel cleaning, hardware torque check, and full electrical inspection

Warranty

• Solar Panels: 30-year power output warranty

• Battery & Inverter: Manufacturer warranties included via OMO & EG4