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EG4 · Batteries
SKU: 1511105
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.
Questions before you buy?
Call 877-242-2792 and we’ll work it out with you. Mon–Thu 10am–5:30pm, Fri 10am–1pm EST.
Specifications
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.
⚡ 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
| Quality |
Rated 4 out of 5
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| Easy to Use |
Rated 4 out of 5
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Love the zero export to the grid function. Utilities used to pay 1:1 metering now they underpay your electricity generation ergo we add more batteries.
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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Bruce was great help in putting together a fantastic package .. simply and clearly and no fussing .. great experience
I have got my solar array up and it was straight forward and now await my tiny home on wheels this month ..
Confidence is high as I now feel well prepared and supported . Cheers
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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Very easy to install unlike the one I uninstalled and gave away. Works perfect, thanks for a nice product.
Tommy Smith
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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Working with Bruce during all my transactions has worked seamlessly. He is very responsive and gets back to me right away! I will continue to work with Shop Solar for all my solar needs.
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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This is my second rack of these batteries inpurchased to increase our capacity. It was fairly easy to assemble and working great!
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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Very helpful sales and tech professionals
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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The EG4LLS batteries have arrived. We just had the County final inspection. One of the prior EGG4'S didn't come on so we used on of the new ones. Our permit was for 4 batteries, so we used one of the new ones. I need a replacement on the battery that didn't come on. I want to install all 6 batteries which is 50% overkill.
Let me know and I will send you the serial number.
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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There is really nothing to complain about other than the price increase from the tariffs! I have an entire cabinet of these batteries and they perform flawlessly. The US EG4 support is also top notch! Buy it and don't look back. There are cheaper options out there, but good luck if you have a problem.
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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These batts have all the power you can shove into a smallish package like this
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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I have received the batteries on time and they look perfect. A nice addition to my existing batteries.
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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Questions & answers
1 question answered
Ask anything about this product and our team will answer it here. Prefer to talk? Call 877-242-2792.
Answered by ShopSolar team ShopSolar staff
Report this answer as wrong or out of date?
Trustpilot
![EG4 LifePower4 [V2] 48V 100AH Lithium Battery | 5.12kWh Server Rack Battery | UL Listed | Best Seller - ShopSolar.com](http://shopsolarkits.com/cdn/shop/files/EG4_battery_rack_2.png?v=1759922872&width=1400)
![EG4 LifePower4 [V2] 48V 100AH Lithium Battery | 5.12kWh Server Rack Battery | UL Listed | Best Seller - ShopSolar.com](http://shopsolarkits.com/cdn/shop/files/EG4_battery_rack_3.png?v=1759922872&width=1400)
![EG4 LifePower4 [V2] 48V 100AH Lithium Battery | 5.12kWh Server Rack Battery | UL Listed | Best Seller - ShopSolar.com](http://shopsolarkits.com/cdn/shop/files/EG4_battery_rack_4.png?v=1759922872&width=1400)
![EG4 LifePower4 [V2] 48V 100AH Lithium Battery | 5.12kWh Server Rack Battery | UL Listed | Best Seller - ShopSolar.com](http://shopsolarkits.com/cdn/shop/files/EG4_battery_rack_5.png?v=1759922872&width=1400)
![EG4 LifePower4 [V2] 48V 100AH Lithium Battery | 5.12kWh Server Rack Battery | UL Listed | Best Seller - ShopSolar.com](http://shopsolarkits.com/cdn/shop/files/EG4_battery_rack.png?v=1759922872&width=1400)
![EG4 LifePower4 [V2] 48V 100AH Lithium Battery | 5.12kWh Server Rack Battery | UL Listed | Best Seller - ShopSolar.com](http://shopsolarkits.com/cdn/shop/files/Lifepower4.jpg?v=1759922872&width=1400)
