Battery Classification and Applications.
In-depth Cell Chemistry: NMC vs. LFP - Characteristics, Advantages/Disadvantages, and Application Scenarios.
Key Performance Parameters:
Comprehensive interpretation of Voltage, Capacity, Internal Resistance, Energy Density, C-Rate, Self-Discharge, Cycle Life, and Degradation Mechanisms.
Battery Pack Basic Construction:
Detailed overview of Cells, BMS, Busbars, Insulation & Damping Materials, Housing, and other auxiliary materials.
Global Safety Standards Primer:
Core requirement analysis for UN38.3, IEC 62133, and UL 2054.
Critical Errors to Avoid:
Principles of Thermal Runaway, causes and prevention of Overcharge, Over-discharge, and Short Circuits.

Requirements Analysis:
Calculating pack voltage, capacity, and continuous/peak current based on motor and controller parameters.
Cell Selection & Matching:
Importance and methodologies for Capacity, Internal Resistance, and Voltage grading.


BMS (Battery Management System) Deep Dive:
Hardware Protection Functions: Overcharge, Over-discharge, Over-current, Short Circuit, and Temperature.
Communication Protocols: Introduction and application of UART and CAN Bus.
Selecting the most cost-effective BMS for your project needs.


Structural Design & Thermal Management:
Enclosure material selection,
IP Rating standards, sealing design, thermal interface materials, and cooling channel design.

Production Line Equipment & Operation:
Spot Welder (Principles, parameter setting, weld quality inspection).
Laser Welder (Introduction and advantages).
Testing Equipment (Cycler/Charger-Discharge Tester, Internal Resistance Meter, Insulation & Hipot Testers).
Hands-On Battery Pack Assembly:
Cell stacking and fixation.
Nickel strip/Copper busbar connection and welding practice.
Wire Harness & Connector Selection.
BMS installation, harness fabrication, and layout.
Connection Process Failure Analysis.
Enclosure final assembly and sealing.
In-Process Quality Control:
Key checkpoints: Voltage, Internal Resistance, Insulation.....

Finished Product Testing Protocol:
Capacity test, operational profile simulation, aging test.
A simplified testing procedure template, including test conditions (temperature, C-rate), termination criteria, and pass/fail standards.
Fault Diagnosis & After-Sales Service:
Common lithium battery fault troubleshooting and repair.
Creating and using a "Fault Tree Analysis" diagram for rapid diagnosis of common issues (e.g., no voltage, failure to charge, low capacity).
Leveraging BMS Data Logging for advanced support: Reading historical fault codes and operational data to transition from reactive repair to proactive alarm and precise diagnosis.
Technical Documentation Package:
Preparation of essential documents: Product Specification Sheet, User Manual, Circuit Diagrams, BMS Communication Protocol.

Startup Guide for a PACK Factory:
Equipment investment budget,
workshop layout recommendations,
personnel allocation,
material management.


Business Models & Marketing Fundamentals:
Product pricing, client acquisition,
and exploration of models like Direct Sales, Leasing, Battery-as-a-Service (BaaS), and Swap Schemes.

Have hand-built a functional and safe lithium battery pack for a low-speed vehicle.
Receive a "Certified Lithium Battery PACK Engineer" certificate
Obtain a comprehensive startup and production document package, providing a solid foundation for their business or project.
Lifetime Technical Support Portal，Graduates gain exclusive, ongoing access to our expert team for continuous support, ensuring you have a trusted partner for future technical challenges and guidance.