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Battery Pack

The assembled high-voltage energy storage module in a hybrid or electric vehicle.

Definition

Pack thermal management and state-of-charge limits affect performance and longevity.

Aftermarket EV swaps require careful pack mounting, crash safety, and BMS integration.

Related terms

  • ECUEngine control unit — the computer managing fuel, ignition, and emissions parame
  • OBD-IIOn-board diagnostics standard providing standardized trouble codes and sensor da
  • MAP SensorManifold absolute pressure sensor reporting boost or vacuum to the ECU.
  • MAF SensorMass airflow sensor measuring incoming air mass for fuel delivery calculations.
  • Knock SensorA sensor detecting engine knock (detonation) so the ECU can retard timing.
  • CAN BusController area network — the digital communication backbone linking vehicle mod

Category: Electronics · Updated August 31, 2026