chain drive

gear drive

flat belt drive

V- belt drive

step up current

step down current

step up voltage

step down voltage

makes chemicals by mechanical means

uses chemical action to provide electricity

has curved plates instead of flat plates

does not use an electrolyte

volts

amperes

weight

ampere hours

supply electricity to the alternator

act as a reservoir or stabilizer of electricity

supply electricity to the vehicle's electrical system at all times while the engine is running.

supply a large amount of power to turn the starter motor when the engine is being started.