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EG4 EG4-LL-S User Manual

EG4 EG4-LL-S
36 pages
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User Manual
EG4
®
-LL-S 100AH
Rack-Mounted Battery
©2023 EG4
®
Electronics, LLC. All rights reserved.
Version 2.1.1 | Information subject to change without notice.
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EG4 EG4-LL-S Specifications

General IconGeneral
Nominal Voltage51.2 V
Nominal Capacity100 Ah
Energy5.12 kWh
Voltage Range44.8 V - 57.6 V
Discharge Voltage44.8 V
Maximum Continuous Charging Current50 A
Maximum Continuous Discharging Current100 A
Warranty10 years
ChemistryLiFePO4
Weight45 kg
CommunicationCAN, RS485
ScalabilityUp to 16 units in parallel
ProtectionOver Current, Short Circuit, High Temperature, Low Temperature
Cycle Life6000 cycles @ 80% DoD

Summary

Safety

Safety Instruction

Read all safety instructions before working on or with the battery.

Important Safety Notifications

Safety concerns to observe before, during, and after installation and operation.

Warnings and Precautions

General Safety Warnings

Crucial safety guidelines including personnel qualifications and electrical work standards.

Brief Introduction

Product Description

Overview of EG4® 48V-LL-S rack-mounted lithium batteries and their features.

Battery Overview

System Connections

Diagram showing how the battery connects to a charge controller and inverter.

Overview of System Components

Details on the battery module's construction and internal parts.

Battery Diagram and Components

Labeled diagram identifying all external ports and components of the battery.

Emergency Stop Functionality

Explains the optional ESS disconnect and its integration with the communication system.

Installation

Packaging List and Placement

Details the included items and initial placement considerations for the battery module.

Location Selection and Storage

Guidelines for selecting a suitable location and proper storage of the battery.

Installation Requirements and Warnings

Important warnings and requirements for safe and correct battery installation.

General Installation Procedures

Covers cable sizing, torque values, recommended distances, and connecting terminals.

EG4 Battery Rack Installation

Step-by-step guide for installing batteries within an EG4® battery rack system.

Battery Communications

Connecting Multiple Batteries in Parallel

Instructions for establishing parallel communication between multiple battery modules.

Communication Cable Pinout and DIP Switch Tables

Details on cable pinouts and DIP switch settings for battery identification.

Installing Different EG4 Battery Models

Battery Operation

LCD Screen Interface

Information about the built-in HD LCD touch screen and its display capabilities.

LCD Screen Button Descriptions

Detailed descriptions of the four function buttons on the LCD screen.

Waking Up the LCD Screen

Procedure for activating the LCD screen when the battery is powered on.

Cell Voltage Information

How to check individual cell voltages using the LCD screen.

Temperature Information Display

How to view PCB and cell temperatures on the LCD screen.

Communication Protocol Selection

Protocol Change and Selection Procedure

Step-by-step guide to selecting the communication protocol for the inverter.

BMS Tools Installation and Interfacing

Downloading and Installing BMS Tools

Instructions for obtaining and installing the PC-based BMS monitoring software.

Interfacing with BMS Tools

Steps to connect the battery to a PC and use the BMS Tools software.

Troubleshooting, Maintenance & Disposal

Introduction to the BMS

Overview of the Battery Management System's purpose and protective functions.

BMS Protection Features

Details on PCB temperature, cell balance, environmental, and voltage protection.

Alarm Description and Troubleshooting

Table defining warning/protect statuses and corresponding actions for troubleshooting.

Common Faults and Solutions

Lists common faults, their analysis, and recommended actions for resolution.

Battery End of Life and Disposal

EG4® 10 Year Limited Warranty

Technical Specifications

Technical Specifications Table

Comprehensive table of module operating, environmental, and charging/discharging parameters.

General and Physical Specifications

Summary of cell balance, accuracy, power consumption, dimensions, weight, and certifications.

Battery Performance Curves

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