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4S 21700 protection board

Overview

bilibili's wonderful Zhenhua brother open source 4-string 21700 protection board uses BM3451, supports balancing, has a balancing current of 89mA, and a designed operating current of 20A. It has not been verified and will be updated after verification.

Design Files

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Update:2025-05-11 06:39:39

Urgent, please give me some advice! ! ! ! ! ! Syntax error, there should be no error in the corresponding C language
[i=s]This post was last edited by paulhyde on 2014-9-15 03:35[/i] It is urgent, please give me some advice, I don’t know where the error is! ! ! ! Syntax error! ! ! ! ! ! ! ! I can’t find the error! !
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