Overkill Solar BMS Series - D.1.1 24 V BMS Balance Connector Pinout; D.1.2 BMS Serial Interface Connector Pinout

Pin
Name
Function
Wire color
1
BC8
Balance tap. Cell #8 positive
Red
2
N/C
No connection
N/A
3
BC7
Balance tap. Cell #7 positive & Cell #8 negative
White
4
BC6
Balance tap. Cell #6 positive & Cell #7 negative
White
5
BC5
Balance tap. Cell #5 positive & Cell #6 negative
White
6
BC4
Balance tap. Cell #4 positive & Cell #5 negative
White
7
N/C
No connection
N/A
8
BC3
Balance tap. Cell #3 positive & Cell #4 negative
White
9
BC2
Balance tap. Cell #2 positive & Cell #3 negative
White
10
BC1
Balance tap. Cell #1 positive & Cell #2 negative
White
11
BC0
Balance tap. Cell #1 negative
Black


Part Numbers:
● Female housing: JST XHP-11
● Pins for female housing: JST SXH-001T-P0.6
● Male connector, through-hole, vertical: JST B11B-XH-A
● Male connector, through-hole, right-angle: JST S11B-XH-A-1
D.1.2 BMS Serial Interface Connector

Connector type: JST XH

Pin
Function
Wire color