A complete electrical storage unit consisting of one or more electrochemical cells connected in series or parallel. It contains the active materials, electrolytes, and terminals necessary to deliver direct current to an external circuit. Engineers distinguish the overall battery from the individual cells that make up its internal structure.
Heard on the job
Disconnect the main battery before you start working on the high voltage bus.
Do not mix it up with
- Battery cell: A cell is the basic single electrochemical unit, whereas a battery is the complete assembly of cells ready for use.