EOL Tester

Technical Excellence

EOL Tester

The EOL Tester is a high-precision End-of-Line battery pack testing system developed to ensure safety, reliability, and performance validation before battery packs leave the production line. Designed for modern EV battery packs, commercial vehicle batteries, and energy storage systems, the tester performs comprehensive electrical verification to guarantee product quality and compliance with industry standards.

Built with an advanced ARM-based control architecture and high-accuracy 24-bit ADC measurement technology, the system delivers precise data acquisition and reliable testing results. The EOL Tester integrates seamlessly with manufacturing execution systems (MES) to provide full traceability, automated reporting, and efficient production management.

With support for high-voltage testing up to ±1000V, along with AC and DC withstand testing, the system ensures battery pack insulation integrity and operational safety. The platform is engineered for high-volume battery manufacturing environments and has been deployed in production facilities exceeding 20GWh annual capacity.

The EOL Tester provides manufacturers with the confidence that every battery pack leaving the line meets strict quality, safety, and performance requirements.

Line Speed

6m / 7m / 8m

Dimensions

40 ft – 200 ft

Power Requirement

20 kW – 200 kW

Key Fixture Features

EOL Tester
  • Cell Aging Machine
  • Battery Pack Tester
  • LOCV Sorting
  • Module Stacking
  • Compression
  • Laser Cleaning
  • Polarity & CCD Tester
  • Laser Welding
  • Module EOL Test
  • Pack Line

Cell Aging Machine

Cell Aging Machines are designed to stabilize lithium-ion cells through controlled charge and discharge cycles, validating capacity, voltage consistency, and thermal behavior before assembly.

Battery Pack Tester

Battery Pack Testers perform complete electrical and safety validation, including voltage, current, insulation resistance, and protection checks.

LOCV Sorting

LOCV Sorting machines measure open circuit voltage to group cells with consistent electrical characteristics, improving performance and lifespan.

Module Stacking

Module Stacking systems precisely align and stack battery cells into mechanically stable modules for downstream processing.

Compression

Compression machines apply uniform pressure to enhance module strength, thermal contact, and long-term durability.

Laser Cleaning

Laser Cleaning removes oxides and contaminants from battery tabs and terminals, ensuring clean, high-quality welding surfaces.

Polarity & CCD Tester

Vision-based polarity and CCD inspection detects alignment errors, defects, and missing components early in the process.

Laser Welding

Laser Welding machines deliver precise, repeatable, high-strength joints with minimal heat impact.

Module EOL Test

End-of-Line testing validates electrical, functional, and safety performance before pack integration.

Pack Line

The Pack Line integrates final assembly, enclosure installation, and testing for scalable battery production.

Request a Quote

Looking for the right solution? Our experts are here to guide you with specifications, customization options, and pricing details.

Overview

This equipment is designed to support efficient and accurate battery assembly and testing workflows. With durable construction, precision control, and user-friendly operation, it delivers consistent performance for both small-scale and large-scale production environments.

Suitable for industries such as:

EV battery production, energy storage manufacturing, battery research labs, electronics assembly, and OEM-based fabrication units.

bess assembly line info

Product Specifications

This equipment is designed to support efficient and accurate battery assembly and testing workflows. With durable construction, precision control, and user-friendly operation, it delivers consistent performance for both small-scale and large-scale production environments.

Product Name

Description

EOL Tester
Parameter Specification
Voltage Test Range ±1000 V
AC Withstand Voltage Up to 5 kV
DC Withstand Voltage Up to 6 kV
Measurement Accuracy High precision with 24-bit ADC
Control System ARM-based control architecture
Data Management MES integration with data logging
Production Compatibility Suitable for high-volume battery manufacturing
Installed Capacity 20GWh+ production line installations
Safety Testing Insulation resistance, high voltage withstand
Data Traceability Full test data recording and reporting

Applications

This product is used for:
bess assembly line production

Support & Warranty

The product comes with a dedicated support and service package that includes activation, calibration assistance, and post-installation guidance.

bess assembly line in india

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Faq

Frequently Asked Questions

Find quick answers to common questions about our BESS Assembly Line, including automation capabilities, supported battery types, customization options, safety standards, and production scalability.

What is a BESS Assembly Line?
A BESS Assembly Line is an automated system used to assemble battery energy storage modules and packs efficiently and accurately.
It is used to produce battery modules, battery packs, and complete energy storage systems.
Yes, the line supports fully or semi-automated operations based on production requirements.
It supports lithium-ion batteries including prismatic, cylindrical, and pouch cells.
How is product quality ensured?
In-line testing, vision inspection, and automated checks ensure consistent quality and reliability.
Yes, the assembly line can be customized to match specific capacity, layout, and production needs.
The system includes safety interlocks, fault detection, and controlled assembly environments.
Yes, it is designed for high-throughput and scalable manufacturing.