Automotive batteries are the lifeblood of our vehicles, providing the necessary power to start engines and run electrical systems. In this guide, we will explore various types of automotive batteries commonly used today, including their characteristics and applications.
Some Key definitions for you to know:
Cold Cranking Amps (CCA):
Cold Cranking Amps (CCA) is a crucial measure of a battery's ability to deliver starting power in cold weather conditions. It represents the number of amps a battery can provide at 0 degrees Fahrenheit (-17.8 degrees Celsius) for 30 seconds while maintaining a voltage of at least 7.2 volts for a 12-volt battery. Higher CCA ratings indicate better cold-starting performance, ensuring reliable engine starts even in frigid temperatures.
Marine Cranking Amps (MCA):
Marine Cranking Amps (MCA) is similar to CCA but specifically measures a marine battery's ability to start an engine. MCA is determined by testing the battery at 32 degrees Fahrenheit (0 degrees Celsius) for 30 seconds, with the minimum voltage requirement varying by manufacturer and battery type. MCA ratings help ensure reliable engine starting, particularly in maritime environments.
Reserve Capacity (RC):
Reserve Capacity (RC) is a critical factor to consider in automotive batteries, especially for vehicles with additional power demands like accessories or electronics. RC measures the amount of time a fully charged battery can continuously deliver a specific amount of current before its voltage drops below usable levels. A higher RC rating indicates a longer runtime without recharging, allowing you to power accessories or emergency systems without draining the battery excessively.
6V vs. 12V Batteries:
Automotive batteries are commonly available in two voltage options: 6-volt and 12-volt.
- 6-volt batteries: Typically used in specialized applications such as vintage automobiles or golf carts.
- 12-volt batteries: Widely used in standard automotive applications due to their compatibility with modern vehicles and electrical systems.
AGM (Absorbent Glass Mat) Batteries:
AGM batteries utilize absorbent glass mat technology that suspends the electrolyte between lead plates through fine fiberglass matting. This design offers several advantages over traditional flooded lead-acid batteries:
- Enhanced durability: AGM batteries are more resistant to vibration and shock, making them suitable for off-road vehicles and marine applications.
- Maintenance-free operation: Unlike flooded batteries, AGM batteries do not require periodic water refilling.
- Deep-cycle capabilities: AGM batteries can tolerate deeper discharges and offer better charge acceptance than standard flooded batteries.
PartSource has you covered with a variety of batteries to cover a number of applications. You can find the selection below:
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