In colder climates, choosing the wrong battery might mean it lacks the sufficient cold cranking amps (CCA) to consistently start your car. Physical size also matters; if it's too big or small ...

When you car won't start and you need a new battery, you're hardly in the mood for technical research and introspection. BCI numbers, cold cranking amps, internal construction details and warranty ...

Let us kick off with one of the simplest electric car stats; the size of the battery. This is measured in kilowatt-hours, shortened to kWh, and is sometimes included in the name of the vehicle.