Cold Cranking Amps - CCA:
The current in amperes that a new fully charged battery can deliver. The higher the CCA rating, the higher the battery’s engine-cranking ability.
Amp Hour Capacity – AH:
The current or amps a new fully charged battery can deliver continuously over 20 hours. This rating is normally used for deep cycle batteries.
Reserve Capacity – RC:
Is the time in MINUTES a battery can supply the electrical load of vehicle once the charging system has failed.