* Battery size: The battery must be the same size as the original battery.
* Battery type: The battery must be the same type as the original battery (either lead-acid or lithium-ion).
* Battery voltage: The battery must have the same voltage as the original battery.
* Battery capacity: The battery must have the same or greater capacity than the original battery.
* Battery CCA (cold cranking amps): The battery must have the same or greater CCA rating as the original battery.
If you are not sure which battery to choose, you can consult with a motorcycle mechanic or your local Harley Davidson dealer.