Overkill Solar BMS Series - BMS Switch Connector

1
VDD
Red
2
TX (BMS to client)
White
3
RX (client to BMS)
White
4
Ground
Black

Note: The Bluetooth module’s serial interface connector is wired backwards from above. Pins 1 and 4 are
swapped, and pins 2 and 3 are swapped.

Part Numbers:
● Female housing: JST XHP-4
● Pins for female housing: JST SXH-001T-P0.6
● Male connector, through-hole, vertical: JST B4B-XH-A
● Male connector, through-hole, right-angle: JST S4B-XH-A-1
D.1.3 BMS Switch Connector

Connector type: JST XH

Pin
Function
Wire color
1
Switch contact #1
Red
2
Switch contact #2
Black

Note: Connect a normally-closed switch to the two wires.

Part Numbers:
● Female housing: JST XHP-2
● Pins for female housing: JST SXH-001T-P0.6
● Male connector, through-hole, vertical: JST B2B-XH-A
● Male connector, through-hole, right-angle: JST S2B-XH-A-1