CCA (Cold Cranking Amps) is a rating that measures a battery’s ability to deliver current at -18°C for 30 seconds while maintaining a minimum voltage required to start an engine. In simple terms, CCA defines how powerful your battery is when starting your vehicle especially in difficult conditions. Introduction When it comes to choosing the right auto starting battery, one specification stands above the rest CCA (Cold Cranking Amps) . While many users focus on battery size