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17KW Complete Offgrid Solar Kit + EG4 18kPV + 2x 14.3KW 48V EG4 Lithium Indoor Wall Battery + 17.6KW Solar with Roof Mounting Rails and Wiring

The 17KW Complete Offgrid Solar Kit + EG4 18kPV + 2x 14.3KW 48V EG4 Lithium Indoor Wall Battery + 17.6KW Solar with Roof Mounting Rails and Wiring  pairs an EG4 18kPV split-phase hybrid inverter/charger with two indoor wall-mounted EG4 lithium batteries (total 28,600 Wh usable) and a 17.6kW bifacial solar array. Designed for cabins and small-to-mid-sized homes using ~2,376 kWh/month, it can produce up to 79,200 Wh/day at 4.5 peak sun hours and is built to scale with additional panels or batteries.

Specifications

• Solar Array: 32 × 550W bifacial mono panels (17,600W total)

• Inverter: EG4 18kPV, 48V split-phase hybrid inverter/charger

• Battery Bank: 2 × 14.3kWh 48V EG4 Lithium Indoor Wall Batteries (28.6kWh usable)

• Mounting: IronRidge roof mounting rails, splices, L-feet, legs, fasteners, and bolts

• Wiring & Balance of System: Solar combiner box; gutter box; Anderson battery cable set; 500' PV direct-burial solar wire; 100' 6 AWG AC output/input/generator cable; MC4 crimp kit; installation manual

Features

• High-Output Bifacial Panels: Up to 25% rear-side gain; strong low-light production; 5400 Pa snow / 2400 Pa wind ratings; 30-year power warranty

• EG4 18kPV Capability: 120/240V split-phase; hybrid inverter/charger; supports battery charging and generator/grid assist; advanced monitoring

• Application Ready: Ideal for small cabins, RVs, garages, pole barns, and mid-sized homes

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

• Appliance Coverage: Runs wells, washers, fans, TVs, lighting, refrigerators/freezers, computers/devices, and smaller A/C systems

• DIY-Friendly: Straightforward electrical connections; roof-rack install typically the most labor-intensive step

Maintenance

• Daily: Verify inverter status/app readings and general system operation

• Weekly: Check for shading, inspect visible wiring/conduit, ensure batteries have proper ventilation/clearance

• Annually: Clean panels; torque-check roof hardware; test breakers and connections; update inverter/battery firmware

Warranty

• Solar Panels: 30-year power performance warranty

• EG4 Inverter & Batteries: Manufacturer warranties per specification sheet