Beginners Guide to Processing 18650 Cells | Cell Database


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Looking for protection board
#1
Looking for a 4s protection board, 20a min.

Everything I find on ebay is 2.5 or 2.7 cutoff voltage.

Did china make on that is above 3v?
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#2
Most boards are made to suit the low voltage cut out that the cells are specified for.

I have had the same question as you have but i gave up and since i only use those boards on the simpliest application here i dont care since the cells are my 3rd in order kind of Smile

This one seem to be closer to 3V
http://www.batterysupports.com/144v-148v...p-255.html
Follow me! >> YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcomming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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#3
Yep, seems a lot of people are looking for a 'smart' configurable 4S system but such a beast doesn't seem to exist.

Hello Batrium! Are you reading this? Big Grin
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#4
I can tell Jaron is reading or atleast know about it Smile
Follow me! >> YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcomming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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#5
I ordered a 2.5v cutoff one for 3 bucks.
The cells I'm using are not worth the 30 bucks for a board to save them.
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#6
Banggood offering $4.20 AUS Dollars

4S 30A 14.8V 2.55 CUT OFF Li-ion Lithium 18650 Battery BMS Packs PCB Protection Board Balance

https://www.banggood.com/4S-30A-14_8V-Li...ds=myorder
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