This is the cable that connects the system battery to the motherboard of the Dell Inspiron 5402 and 5502 laptops.
Compatible Dell Laptops:
Inspiron 5400 2-in-1
Inspiron 5402
Inspiron 5406 2-in-1
Inspiron 5502
Vostro 5402
Dell Part Number: 581XK
Part Number found on cable:
WST MKB N14 BTY cable
450.0KK04.0001
450.0KK04.0