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10% OFF STOREWIDE WITH CODE: SURVIVAL10 exclusions apply*
10% OFF STOREWIDE WITH CODE: SURVIVAL10 exclusions apply*

EG4 LL V2 (12V 400AH) 5.12kWh Server Rack Lithium Battery

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Fast and Free Shipping

Lowest Price Guarante

Lowest Price Guaranteed

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Expert Live Chat

Authorized Dealer

Authorized EG4 Dealer

No Sales Tax

No Sales Tax (Except CO)

Lifetime Customer Support

Lifetime Customer Support

Original price $1,399.00 - Original price $1,399.00
Original price
$1,399.00 - $1,399.00
Current price $1,399.00

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The EG4 LL (Lifetime Lithium) Lithium Iron Phosphate battery is now available at 12.8V (12V), featuring a 5.12kWh capacity and 200A internal BMS, while retaining the esteemed qualities of its predecessor.

Key Features

  • Tier One A+ Cell Composition: Ensures top-tier performance and reliability.
  • 99% Efficiency: This LiFePO4 16-cell pack delivers exceptional energy utilization.
  • Max Energy Density: Optimal energy storage for your needs.
  • Flexible Racking Options: Adaptable to various setups.
  • Environmentally Friendly and Lead-Free: Safe for the environment.
  • Stress-Free Battery Bank Expansion: Easily expand your battery bank.
  • Longer Lasting Design: Designed to last between 10 to 20 years.
  • Reliable Built-In BMS: Includes voltage, current, temperature, and health management.

Detailed Specifications

  • 16 UL Listed Prismatic 3.2V Cells: Meticulously tested through 7,000 deep discharge cycles to 80% Depth of Discharge (DoD), ensuring reliable performance.
  • 15+ Years of Reliable Use: Capable of daily full charge and discharge without fail.
  • 99% Operating Efficiency: Proven through rigorous testing.
  • LCD Screen: Provides convenient access to vital battery information.
  • Selectable Closed-Loop Inverter Communications: Supports Victron and EG4 for seamless integration.
  • User-Friendly Plug-and-Play Interface: Includes all essential components for hassle-free setup.

Included Components

  • 1-Foot RS485 Communication Cable: Ensures easy communication setup.
  • Parallel Cables: Included for straightforward battery bank connection.
  • RS485 USB Battery Comm Cable: One provided for every six batteries, shipped separately.

The EG4 LL Battery is engineered for those seeking a reliable, efficient, and long-lasting power solution. Upgrade your energy storage with confidence and ease.

  • Voltage:12.8V
  • Capacity:400Ah
  • Dimensions:6.1 in×19 in×20.2 in
  • Weight:98.1 lbs. (44.5 kg)
  • Design Life:7000 Deep Cycles

Spec Sheet: View Here

More Information

User Manual: View Here

BMS Software Windows: View Here

10 Year Warranty (Visit

Shipping & Returns

Free Shipping: We offer Free Shipping to all continental US states.

Shipping Time: Most orders are processed and shipped within 1-2 business days. After that, please allow 4-6 days for delivery, with most orders arriving within 5-8 business days from the order date. For more details, please visit our Shipping & Delivery Page.

Returns: If you're not satisfied with your purchase, you can return it in new condition within 30 days for a refund. Returns must be authorized in advance. To initiate a return, please contact us at [email protected] or call (888) 363-5666 with your name, order number, and the reason for your return. For more details, please visit our Return & Refund Policy.

Shipping Limitations: Unfortunately, shipping to P.O. Boxes or outside the United States is not available.

Why Shop With Us?

When you choose us, you're not just buying a product; you're supporting a small business fueled by the passion of a dedicated team. We’re here whenever you need us—just a phone call or email away—and we’re committed to ensuring you’re completely satisfied with every aspect of your experience.

Here’s what you can always expect from us:

  • Free Shipping on Every Order.
  • Top-notch Customer Support via Phone, Email, and Live Chat.
  • Lifetime Support and Troubleshooting.
  • No Sales Tax.
  • 30-Day Return Policy (exclusions apply*).
  • Lowest Price Guarantee
  • Full Manufacturer’s Warranty on All Products.

We're here to make sure your shopping experience feels just as good as walking into your favorite local shop.

Price Match Guarantee

At Survival Creation, we believe you should never have to choose between the best quality and the best price. If you find a lower price on the same product from another authorized online retailer, we promise to match it. Even better, if we can, we’ll beat it.

To secure your price match, simply send us proof of the lower price (a link or a screenshot will do).

Guidelines for Our Price Match:

  • The item must be identical and sold by an authorized online dealer.
  • We cannot match prices from physical retail stores or online auction sites like eBay or Amazon.
  • Price adjustments cannot be combined with any other offers or discounts.
  • The price match must be approved before you complete your purchase.

We're here to assist you in securing the best deal. If you have any questions about our price match policy or need assistance, don't hesitate to contact our customer service team.

Need More Help? Contact Us.

US-Based Support, Mon-Fri, 9am-5pm (MT).

(888)-363-5666 | Live Chat Support



Hi, I'm Liam, one of the proud owners and head of operations at Survival Creation. As an energy engineer with over 12 years of experience in the solar industry, I helped create Survival Creation to be your go-to resource for all solar solutions.

When you reach out to us, you won’t be put on hold or passed around to different departments. You’ll always speak to a real person who will handle any issues directly and efficiently until everything is resolved to your satisfaction.

We are NABCEP-certified installers, offering our services in the Denver metro area. We would love to be a part of your next project—don't hesitate to reach out. We are here to help!

Call: (888)-363-5666
Email: [email protected]