JK B2A8S20P - 3.2 Connector and LED Definitions

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