Author Topic: Proper balancing multi-cell Li* BMS  (Read 292 times)

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Offline paulca

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Proper balancing multi-cell Li* BMS
« on: January 01, 2018, 03:13:01 am »
Has anyone found a working BMS that supports multi-cell balance charging of Lithium Ion/Polymer, protection and charge/discharge control with inline load?

It seems very difficult to find something that works and most of the current BMSs either work only for single cells or don't balance charge. 
"What could possibly go wrong?"
Current Open Projects:  3 Channel Audio mixer with DAC, BT, pre-amps and h/phone amp, WS281x LED controller Version 2 5V/5A w/Atmega328, FY6600 Power supply, 5A DC Load (Still!)
 

Offline Nusa

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Re: Proper balancing multi-cell Li* BMS
« Reply #1 on: January 01, 2018, 09:55:00 am »
Or? I'd suggest that single-cell BMS's don't balance charge either. There's nothing to balance.
 

Offline paulca

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Re: Proper balancing multi-cell Li* BMS
« Reply #2 on: January 01, 2018, 10:14:03 am »
Or? I'd suggest that single-cell BMS's don't balance charge either. There's nothing to balance.

Well yes obviously.  Are you suggesting limiting everything to single cell and parallel cells at 3.7V and using single cell BMS boards?  Seem a bit limited.  If you need roughly 12V using a 3.7V and boost converter doesn't sound efficient.
"What could possibly go wrong?"
Current Open Projects:  3 Channel Audio mixer with DAC, BT, pre-amps and h/phone amp, WS281x LED controller Version 2 5V/5A w/Atmega328, FY6600 Power supply, 5A DC Load (Still!)
 


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