Parallel RC LiPos and BMS wires.

atarijedi

100 W
Joined
Jul 18, 2016
Messages
241
When you are wiring RC Multi-S Multi-P LiPos in parallel, you wire the BMS for each cell in parallel as well, right?

So a 4S 2P lipo battery would have 4 cell wires and a common wire, if you put 3 of those batteries in parallel, you wire the cell 1 BMS wires together, then the cell 2 wires, 3, and 4, then the common, right?

Because each cell 1 of each battery will effectively be considered 1 single cell of the entire parallel pack?
 
Yes,, correct. just match the colors on the JST plug ( the balance plug) wires, and connect each color into one wire the same color.

As you stack sets of paralleled packs in series,, the last wire on the plug is the one that connects to the common wire on the next plug. this is similar to how the + connects to the - of the next pack on the discharge wires, when you hook them up in series.

So when you are done with a 12s pack made from 4s packs,, you have 13 bms wires. Not 15.
 
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