Exploring a lead acid battery charger module (with schematic) @bigclivedotcom
Exploring a lead acid battery charger module (with schematic)  @bigclivedotcom
Uploaded August 2026 | Updated September 2026, 2 weeks ago
I don't see lead acid batteries being banned anytime soon, so this little charge control module could be quite useful. Especially for equipment with a built in charger that has failed.

It's based on a dedicated charge control chip that integrates buck regulator control, current sensing and voltage monitoring to manage the proper charging of 12V lead acid batteries.

The integrated bridge rectifier means this module can be used with AC or DC power supplies.

This is one of many useful little modules from our favourite Chinese parts department (AliExpress). Here's an affiliate link if you want to play with one of these:-
https://s.click.aliexpress.com/e/_c3RFzo1H



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Exploring a lead acid battery charger module (with schematic)

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