Inner components
1
Battery cells / cell modules
2
Battery Management System (BMS)
3
Busbars
4
High-current cables
5
Cell sensing wires
6
Temperature sensors
7
Fuse / safety protection
8
Connectors
9
Thermal management materials
10
Battery enclosure
11
Mounting brackets
Diagnostic tips
1
Check individual cell voltages and voltage deviation.
2
Monitor battery temperature and temperature difference between cells.
3
Check BMS fault codes and communication.
4
Inspect busbars, terminals and high-current connections for heating.
5
Perform SOH and internal resistance diagnostics before replacing the pack.
6
Keep the battery protected from water ingress and physical damage.
