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EG4 Electronics  |  SKU: SS_EG4-1511054

EG4 Electronics LL Lithium Battery (V2) | 12V 400AH | Server Rack Battery

$1,998.99 $2,298.99

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Time frame allotted: 14 days from the date of delivery

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Upgraded EG4-LL (Lifetime Lithium) Lithium Iron Phosphate battery 12.8V (12V) 5.12kWh with 200A internal BMS, based on the same subset features of the previous industry renowned EG4-LL Battery.

Composed of (16) UL listed prismatic 3.2V cells which have been tested at 7,000 deep discharge cycles to 80% DoD - fully charge and discharge this battery daily for over 15 years without issue. Reliable and rigorously tested, with a 99% operating efficiency.

Includes an LCD screen to quickly view your batteries' most important information, but now features Selectable closed-loop inverter communications including Victron, and EG4! A simple plug-and-play interface that has all the essentials built in for easy setup.

(1) 1 foot RS485 Communication Cable and (1) Set of Parallel Cables per battery
(1) RS485 USB Battery Comm Cable PER (6) BATTERIES (shipped separately)

EG4 Lifetime Lithium, Best In Class Solar Rack Battery

  • Rated for 7000 deep charge & discharge cycles
  • 15-year life with 80% depth of discharge daily, designed for up to 20-year life
  • Tier One, A+ Cell Composition, 99% Efficiency LiFePo4 16-Cell Pack
  • #1 Energy Density Server Rack Battery Form Factor
  • Selectable closed-loop inverter communications including Victron, and EG4!
  • Dual Onboard automatic fire arrestors
  • Failsafe operation in high-risk environments and to protect against rare
  • hardware failure on high voltage solar charge controllers!
  • Parallel up to 16 batteries
  • Get the most power possible! Up to 80kWh while maintaining BMS
  • communications!

Performance Components

  • Reliable Built-In EG4 Smart BMS, Voltage, Current, Temp. and Health Management
  • Stress-Free Battery Bank Expansion Capacity
  • Cell & Module Voltage Protection
  • Short Circuit Protection >775A <0.1mS
  • Temperature Protection <-4°F or >167°F
  • Operating Power Consumption <14mA

Advanced Configurability

  • On-board LCD Screen
  • PC Monitoring Software
  • Lifetime firmware updates

Reliability & Safety Testing

  • Dual On-board Fire Arrestors
  • Environmentally Friendly & Lead-Free
  • Design Optimized and Tested by EG4's R&D Solar Laboratory. In-House & Texas Based
  • 10-Year Warranty Supported and serviced out of Texas


NEW EG4-LL V2 Server-Rack Battery | 12V 400Ah


Signature Solar EG4 LL Lithium Battery (V2) | 12V 400AH | Server Rack Battery


Signature Solar EG4 LL Lithium Battery (V2) | 12V 400AH | Server Rack Battery

Nominal Voltage12.8V
Nominal Capacity400AH
Dimensions17.4" x 18.5" x 6.1"
Design Life+15 Years at 80% DoD
CommunicationsRS485/CAN: Victron, EG4

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Customer Reviews

Based on 1 review
Winston Rios
My high expectations were exceeded!