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10S 20a 36V LITHIUM ION BMS UNITS - B2
Battery Hookup

10S 20a 36V LITHIUM ION BMS UNITS - B2

Regular price $2.00 $0.00 Unit price per

Here are 10s 36v 20a Lithium Ion BMS units that we salvaged from hoverboard batteries. Last year we broke down thousands of hoverboard batteries to test and reuse the cells. These are the BMS units. They are not tested but the vast majority should work just fine. You will just need to test them first, which is why they are only $2. If you buy 10 you will likely get 8-10 working bms units. We checked the mosfets on these and they are not burned out. At this price you can't go wrong, just make sure if you use these you monitor the overcharge to make sure the BMS kicks in first. You can solder your connections directly to the board. B- goes to the battery negative and C- is where you would connect the negative connection for your charger or discharge. Essentially the C- and the battery positive become your new main positive and negative connections. The best way to think of a BMS wiring is the BMS essentially is an in line smart fuse on the negative side that monitors each series of cells through the balance leads.

These are all 20a BMS units with different dimensions, most around 2" x 3" x 0.25". Too many different looks for us to list individually. You will get one of the BMS units as shown in the photos. They're all a reasonably small size.


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