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BM3451 Battery Equalizer Board V2.0

Overview

This 18650 protection board uses
6 18650 lithium batteries
to output 24V
and features short-circuit protection, overcurrent protection, and undervoltage protection.
The entire project is open source

and requires no coding. All hardware components are included

. It is used with T12 soldering irons and C245 soldering iron power supplies.
The project files are as follows:

Updated June 2, 2024, V2.0: Improved wiring standardization, enlarged battery holes for greater stability, and most importantly, free sample size
testing. We welcome your feedback and suggestions for improvement.

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2026-03-26 03:15:11

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