• Description

EG4 LifePower4 Lithium Battery | 48V 100Ah | 5.12kWh Server Rack | UL1973, UL9540A | Auto-Addressing | 10-Year Warranty


Power your energy storage system with confidence using the EG4 LifePower4 V2 Lithium Battery—a rugged, UL-certified 48V 100Ah LiFePO4 server rack battery designed for seamless integration, long-term reliability, and high-performance scalability.

Now upgraded with auto-addressing, this version simplifies closed-loop communication with EG4 inverters and batteries—making setup faster, smarter, and more installer-friendly. Whether you're building a whole-home backup system, going off-grid, or scaling a commercial ESS, the LifePower4 V2 delivers safe, long-lasting power you can count on.

Key Features & Benefits

  • ⚡ 5.12kWh Capacity @ 48V – High-energy storage with 100Ah output and 51.2V nominal voltage

  • 🔄 Auto-Addressing BMS – Streamlines setup with automatic protocol detection and ID assignment

  • 🔒 Enhanced Safety – Dual fire arrestors + E-Stop rapid shutdown (RSD) for added protection

  • 🔧 Installer-Friendly Design – Dual terminals (2+ / 2–) and DIP switch for simplified connections

  • 🔌 Smart Communication – CAN bus & RS485 ports support closed-loop communication with EG4 and other inverters

  • 🧱 Modular & Scalable – Parallel up to 64 batteries for up to 327.7kWh of energy storage

  • 🛡️ UL Certified – UL1973 Recognized, UL9540A tested, and UL9540 listed with EG4 18kPV-12LV inverter

  • 🔋 Long Life Cycle – 6,000+ deep discharge cycles at 80% DoD = 15+ years of daily use

  • 🛠️ DIY & DWY-Friendly – Rack-mountable design makes setup efficient for pros and ambitious DIYers

  • ✅ 10-Year Warranty – Backed by EG4’s industry-leading support and reliability guarantee

User Manual / Documents:

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.
REAL REVIEWS, REAL RESULTS

Feedback From Our Customers

At Green Vista Living, we pride ourselves on delivering top-quality products and exceptional service to solar professionals and homeowners alike. Here's what our customers have to say about their experiences with us.

Kevin Leary
May 18, 2025
★★★★★

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

Bryan Cunningham
Off grid Kit • Dec 21, 2025
★★★★★

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

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