Building a 24V LiFePO4 Battery Pack for Electric Wheelchairs | 33140 batteries with BMS | DIY Guide

In this video, we’ll build a powerful and efficient 24V LiFePO4 battery pack, designed for high-performance applications like powering an electric wheelchair or other 24V devices. This detailed guide takes you through every step of the process, including selecting the right components, assembling the battery pack with a JBD 8S BMS for protection, integrating active and passive balancers for optimal performance, wiring and soldering with durable copper cables, and upgrading to robust XT-60 connectors for reliable connections.
We’ll also install a charge and voltage display to monitor the battery’s status and ensure it operates safely and efficiently. Whether you’re interested in DIY battery projects or looking to understand LiFePO4 technology, this video provides everything you need to know to create a powerful and long-lasting battery pack. Stick around to see the finished product and its seamless integration!



📂Resources Used:
Circuit Diagram & Other: https://github.com/adekeyedamilarelekan/OTHERS-33140-LiFePO4-Battery-BuildUp-For-WheelChair

Read More: https://adekeyedamilarelekan.github.io/33140-LiFePO4-Battery-BuildUp-For-WheelChair

Components/Materials Used:
- 33140 LiFePO4 Batteries | 15Ah | 3.2V | 48Wh |24 pieces
- JBD 8S BMS Passive Balancer
- 8S Active Balancer
- Switch
- 4mm Stranded Copper Cable
- 4mm Single Core Copper Cable
- 24V Charge & Voltage Display
- XT-60 Connectors | 2 pieces male and female
- Acrylic Sheets and Glue
- Soldering Iron (or Electric Arc Welder for Batteries)
- Multimeter
- Some basic Electrical & Electronics Engineering Tools



⚠️ Safety Disclaimer:
This project involves working with DC electrical components, including batteries and connectors, which can pose risks such as short circuits, sparks, or overheating if mishandled. Always use proper protective equipment and handle cables, terminals, and connectors with care. Follow all safety guidelines and double-check your connections before proceeding.
The creator is not responsible for any damages, malfunctions, or injuries that may result from replicating this work.



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♫ Song credits:
Song: TULE - Fearless [NCS Release]
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Watch: http://youtu.be/9rujCfYXhQc

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