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Today we test some circuits for a homemade BMS to charge, protect and balance our battery pack. We add current limit, balance mode for more than 2S packs and stop the charging process at 4.2V for each cell.

LINKS

Tutorial Website: http://electronoobs.com/eng_circuitos...
Schematic 1S: http://electronoobs.com/images/Circui...
Schematic 3S: http://electronoobs.com/images/Circui...
Other Posts:    • Balancing unit (BMS) for Liion batte...  


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00:00 Intro
02:00 Why we need BMS?
03:19 How Balanced Charger Works
04:42 1S Circuit
07:25 1S Test
09:37 3S Circuit
11:17 3S Test
12:36 Thank you


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#BMS
#charger
#homemade