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- EG4 18kPV: 12kW output, 18kW PV input
- 3x SimpliPHI 6.6 LFP batteries, IP65
- Outdoor-ready inverter (NEMA 4X) and batteries
- Wall or ground mount, no cabinet needed
- 18kPV 10-year warranty
Ships by LTL freight. Too large for parcel delivery. Questions on freight? Call (888) 831-0450.
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An all-outdoor home storage system that pairs the EG4 18kPV hybrid inverter with a three-module Briggs & Stratton SimpliPHI 6.6 battery stack. Both are rated for outdoor mounting, so they save indoor space and give a clean, streamlined look. Keep the lights on during outages, run essentials without stress, store daytime solar for the evening, and export surplus where your utility allows. Once installed, it works quietly in the background to lower bills and add peace of mind.
Highlights
- RapidStak installation: self-guiding connectors combine power and communication in one click-in interface for fast, repeatable installs
- Indoor/outdoor versatility: IP65 housing supports cabinet-free ground or wall mounting
- Wire-free battery setup: no loose wires, DIP switches or extra hardware
- 18kPV all-in-one: inverter, power management and storage integration with plug-and-play installation
- Durable: 18kPV is NEMA 4X / IP65 rated (avoid direct sunlight)
- Certified: 18kPV is ETL/cETL listed to UL, CSA, IEEE and NEC standards
What's included
- 1× EG4 18kPV hybrid inverter
- 3× Briggs & Stratton SimpliPHI 6.6 battery
- 1× SimpliPHI battery controller
- 1× SimpliPHI wall base
- 1× pair 72 in 4/0 AWG battery-to-inverter cables (red/black)
Key specs
| 18kPV continuous output | 12,000W |
| 18kPV surge (with PV) | 15,500W for 5 min |
| Max AC bypass | 200A |
| SimpliPHI 6.6 nominal voltage | 51.2 VDC |
| SimpliPHI 6.6 capacity | 130Ah each |
| Max continuous discharge | 130A |
| Battery certifications | UL 1642, UL 1973, UL 9540 Ed. 3, UL 9540A, UN 3480, DOT 38.3 |
Warranty & shipping
- EG4 18kPV: 10-year warranty. SimpliPHI components carry Briggs & Stratton's manufacturer warranty
- Ships by freight
Professional installation by a licensed electrician is recommended. Solar panels are not included.
| Manufacturer | EG4 Electronics (bundle) |
|---|---|
| Bundle SKU | BNDL-E0039 |
| Battery Storage | ~20kWh (3 x 51.2V 130Ah, calculated) |
| SimpliPHI Battery | IP65, UL 1973 / UL 9540 / UL 9540A |
| Includes | 1x EG4 18kPV Hybrid Inverter (12,000W @ 240VAC (10,400W @ 208VAC); 18,000W (21kW recommended max array); 100-600 VDC) |
| Includes | 3x Briggs & Stratton SimpliPHI 6.6 Battery (51.2V 130Ah) |
| Includes | 1x SimpliPHI Battery Controller |
| Includes | 1x SimpliPHI 6.6 Wall Base |
| Includes | 1x 72 in 4/0 AWG battery cables |
Specifications are from the manufacturer and may change. Questions? Call (888) 831-0450.
EG4 Limited Warranty (per component): 18kPV 10-year limited
| 18kPV | 10-year limited |
|---|---|
| How to claim | contact original place of purchase (Sky Solar USA) / EG4 |
Download: EG4 18kPV Hybrid Inverter 10-Year Limited Warranty Document (v1.1.0)
Manufacturer warranties are provided by the manufacturer. Keep your invoice as proof of purchase. Questions about a warranty claim? Call (888) 831-0450.