EG4 PowerPro ESS | 14.3 - 28.6kWh Capacity | EG4-18Kpv & EG4-PowerPro WallMount Battery | UL9540

EG4 KIT-04: PowerPro ESS – The Future of Seamless Solar Energy
Discover the EG4 PowerPro ESS, a comprehensive off-grid or hybrid energy solution that unites the EG4 18kPV All-In-One Hybrid Inverter with the EG4 PowerPro 14.3kWh Battery. Engineered for high-performance, enhanced safety, and modular scalability, this integrated kit streamlines installation and system management so you can harness, store, and optimize solar power with confidence and simplicity.

Key Benefits & Features

1. Long-Lasting Power & Performance

   • Over 8000 cycles at 80% Depth of Discharge for enduring reliability
   • 12kW continuous output from the EG4 18kPV inverter ensures robust power supply
   • 14.3kWh of storage in the EG4 PowerPro Battery for dependable, uninterrupted energy

2. Enhanced Safety & Durability

   • Integrated self-heating in the PowerPro Battery for low-temperature resilience
   • Dual on-board fire arrestors and total emergency stop function for fail-safe operations
   • Outdoor-ready build with 10-year warranty backed by EG4 Electronics

3. Streamlined, All-in-One Design

   • EG4 18kPV eliminates external charge controllers or transformers
   • Plug-and-play installation and a user-friendly LCD interface
   • Conduit box included for hassle-free wiring and simpler future upgrades

4. Optimized Energy Management

   • Closed-loop communication ensures seamless coordination between inverter and battery
   • Manage energy from storage and the grid simultaneously
   • Easily scale capacity by stacking multiple EG4 18kPV units and additional PowerPro batteries

5. Flexible Scalability

   • Internal busbars allow up to 3 batteries in parallel per single inverter
   • 4 batteries in parallel with 2 inverters, or 5 batteries with 3 inverters
   • Ideal for expanding systems over time as your energy needs grow

Transform your energy independence with EG4 KIT-04 PowerPro ESS—combining industry-leading inverter technology, a high-capacity LiFePO₄ battery, and robust safety features, all under a modular, future-proof design. Experience reliable, high-performance solar power for your home or business—today and for years to come.

Comprehensive Certifications

The EG4 18kPV is ETL & cETL certified and complies with national and international standards for safety and reliability when connected to the grid. 

• Safety - UL1741SB Rule 21, RSD NEC 2020:690.12, AFCI NEC 2020:690.11 / UL1699B, GFDI NEC 2020:690.41(B), CSA 22.2.107.1, CSA 22.2.330
  
• EG4 PowerPro ESS holds UL9540 level certification
• Grid connection - IEEE 1547.1:2020;IEEE 1547:2018, Hawaii Rule 14H, California Rule 21 Phase I, II, III
  
• EMC - FCC Part 15 Class B
• Outdoor Rating - NEMA 4X / IP65
• CEC Solar Equipment Listing

Spec Sheet: Download

Certification: Download

EG4 18Kpv Manual: Download

EG4 PowerPro Manual: Download

Wiring Diagrams: Download

***If you've purchased an EG4 18kPV Inverter through Portable Sun, be sure to use the customer code 'PortableSun' when setting up the monitoring system!

Our Michigan-based phone support connects you directly with a live, knowledgeable representative. We are committed to providing prompt and personalized assistance, ensuring your inquiries are addressed efficiently by professionals who prioritize your needs and value your time.