JK B1A8S20P User Manual page 5

3.2 Connectors and LED definition description
Connector Pin Number
1
2
3
4
5
6
7
8
P1
9
10
P2 Heating port
P3 Display connector
P4 External GPS module connector
P5 RS485/CAN connector(Choose one of two)
1
2
3
P6
4
Bluetooth connection indicator. The indicator light is always on when the Bluetooth is
D1
connected to the BMS, and the indicator light flashes when the connection is disconnected.
C- Connect to external load or negative pole of charger
Connect the negative pole of the battery
B-
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JK Smart BMS JK-B1A8S20P/JK-B2A8S20P User Manual
Table 2 Connectors, LED Definition
Name Definition
B- Negative battery terminal
B1 Positive pole of #1 cell
B2 Positive pole of #2 cell
B3 Positive pole of #3 cell
B4 Positive pole of #4 cell
B5 Positive pole of #5 cell
B6 Positive pole of #6 cell
B7 Positive pole of #7 cell
B8 Positive pole of #8 cell
B+ BMS power supply
The first temperature sensor A pin
T1A
B The first temperature sensor B pin
T1
The second temperature sensor A pin
T2A
The second temperature sensor B pin
T2B
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JK-B2A8S20P