Overkill Solar 120A 4s 12V BMS, Instruction Manual

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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:
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Female housing: JST ​ XHP-11
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Pins for female housing: ​ JST SXH-001T-P0.6
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Male connector, through-hole, vertical: JST ​ B11B-XH-A
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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