25KW Complete Offgrid Solar Kit + EG4 18kPV + 2x 14.3KW 48V EG4 Lithium Indoor Wall Battery + 26.4KW Solar with Ground Mount and Wiring

The 25KW Complete Offgrid Solar Kit + EG4 18kPV + 2x 14.3KW 48V EG4 Lithium Indoor Wall Battery + 26.4KW Solar with Ground Mount and Wiring is a high-output, scalable solution for full home off-grid power. Delivering an estimated 118,800 watts of solar production per day (at ~4.5 peak sun hours) and paired with 2× 14.3kWh EG4 Lithium Indoor Wall Batteries (~28.6kWh usable), this package is ideal for larger homes targeting ~3,500 kWh/month consumption. It includes ground-mount racking, wiring, combiner boxes, and split-phase hybrid inverter/chargers. The system can be expanded with additional panels or batteries over time.

Specifications

• Solar Array: 48× 550W bifacial mono panels (26,400W total)

• Inverters: 2× EG4 18kPV 48V split-phase hybrid inverter/chargers

• Battery Storage: 2× 14.3kWh 48V EG4 Lithium Indoor Wall Batteries (~28.6kWh total)

• Ground Mount: Iron Ridge rails/top caps/connectors/fasteners & bolts (built for 3" Sch 40 pipe; customer-supplied)

• Balance of System: 2× solar combiner boxes; 2× gutter boxes; 2× AC combiner box kits; Anderson plug battery cable set; 500' PV direct-burial solar wire; 100' 6AWG AC cable; 20' 2/0 AC main line; MC4 crimp kit; installation manual

Features

• Bifacial Double-Glass Panels: Up to 25% rear-side gain and improved low-light performance

• EG4 18kPV Capability: 48V split-phase hybrid operation with inverter/charger functionality for flexible off-grid performance

• Scalable Design: Expand with additional panels and batteries to meet growing energy needs

• Rugged Ground Mount: Engineered for 3" pipe structures; robust in varied site conditions

• High Durability: 5400 PA snow load / 2400 PA wind load; designed for harsh environments

• Real-World Use Cases: Suitable for homes, cabins, RV sites, garages, and pole barns; runs typical appliances (well pump, washer, fans, TVs, lights, refrigerator/freezer, electronics, and smaller AC systems)

Maintenance

• Daily: Check inverter status/SOC and ensure panels are unobstructed

• Weekly: Inspect wiring, combiner boxes, and verify AC output readings

• Annually: Clean modules, torque-check racking hardware, test grounding, and update inverter firmware as available

Warranty

• Solar Panels: 30-year performance warranty

• EG4 Inverters & Batteries: Manufacturer warranty per spec sheet