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

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

EG4
SKU EG4-LL-S12-400
Save $282.34
$1,882.29
$1,599.95

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

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.

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
  • 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!
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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
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What's Included

Everything you need is included with your product.

  • (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)
  • User Manual

EG4 12kPV Hybrid Inverter Specifications

GENERAL SPECIFICATIONS

Specification Details
CELL BALANCE 100mA | Passive Balance | Cell Voltage Difference >40mV
TEMPERATURE ACCURACY 3% | Cycle Measurement | Measuring Range -40°F ‒ 212°F (-40°C ‒ 100°C)
VOLTAGE ACCURACY 0.5% | Cycle Measurement | For Cells/Module
CURRENT ACCURACY 3% | Cycle Measurement | Measurement Range +/-200A
SOC 5% | Integral Calculation
POWER CONSUMPTION (SLEEP & OFF MODE) <300uA | Storage/Transport/ Standby
POWER CONSUMPTION (OPERATING) <14mA| Charging/Discharging
COMMUNICATION PORTS RS485/CAN | Customizable
BLUETOOTH MONITORING Customized EG4 App Customized EG4 App
MAXIMUM MODULES IN PARALLEL 16
DIMENSION (H×W×D) 6.1 in×19 in×20.2 in (15.5 cm×48.2 cm×51.3 cm)
WEIGHT 98.1 lbs. (44.5 kg)

Frequently-Asked Questions

Can I connect multiple batteries together for more storage?

Yes! The EG4 LL Lithium Battery V2 supports both parallel and series connections, allowing users to expand their energy storage capacity.

What type of battery chemistry does this use?

This battery uses LiFePO4 (Lithium Iron Phosphate), known for its long lifespan, safety, and high efficiency.

Is this battery compatible with my existing solar inverter?

The EG4 LL Lithium Battery V2 is compatible with most 12V inverters and solar charge controllers.

How long does this battery last?

With 10,000+ charge cycles, this battery can last 10+ years under normal usage.

Can this battery be used in a grid-tied solar system?

Yes! It works well for off-grid and grid-tied battery backup applications.

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