The connector the fuse the charge and discharge FETs, the cell pack, the sense resistor, the primary and secondary protection ICs, the fuel-gauge IC, the thermistor is at one point within the battery connected to a PC Board.
More Info:
The PC Board or printed circuit board is used to mechanically support and electrically connect the aforementioned specialized hardware using conductive pathways, or traces, etched from copper sheets laminated onto a non-conductive substrate.