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Technician checking car battery with multimeter

How Often to Replace a Car Battery

Chula Vista drivers frequently ask how often to replace a car battery. Industry experts recommend you replace your battery about every 4-5 years, although depending on a few different factors, your car battery life can vary. Read on to learn more about proper car battery maintenance from the expert team at John Hine Mazda. It is our mission to keep San Diego area drivers safe on the road, and proper vehicle maintenance at our Mazda service center is an important step in that process.

How to Know If Your Battery Needs to Be Replaced

Wondering how to know if your battery needs to be replaced? There are some warning signs to look out for, so you don’t end up stranded on El Cajon roads. The following are just a few indicators to watch out for:

  • Dimming headlights
  • More frequent need for engine revving or jumpstarts
  • Takes longer to start the engine when you turn the key/push the button
  • Unusual power fluctuations

Knowing how to test a car battery will be helpful in learning how much life your battery has left in it.

How to Test a Car Battery

It is important for La Mesa drivers to know how to test a car battery. This test can be done either here at our Mazda service center or at home in La Mesa.

The Headlight Test:

  1. Turn on the engine, keep the car in park, and turn the headlights on.
  2. Rev the engine, and see if the headlight brightness changes.
  3. If the headlights get brighter, that can indicate the battery is weak and in need of service.

Using a Digital Multimeter:

  1. Set the voltmeter to 20 DC volts.
  2. Under the hood, touch the negative terminal (black) with the negative meter probe (also black).
  3. Touch the positive terminal (red) with the positive meter probe (also red)
  4. Have someone else turn on the headlights and check the voltmeter reading.
  5. At 80℉, 12.5 volts or higher indicates a fully charged battery; 12.3 volts indicates a 75% charge; 11.8 volts or less indicates a 25% or less charge.
Technician removing and replacing car battery

What Causes Car Battery Deterioration?

There are several factors that can impact battery deterioration, including:

  • Prolonged heat in warm climates
  • Vibrations from rough road conditions
  • Jumpstarts
  • Time

For the best idea of how long your car battery should last with proper care, consult your owner’s manual or maintenance schedule.

How Much is a Replacement Car Battery?

Interested in Mazda OEM parts at the best price? Our Mazda service center offers Mazda coupons, making express services more affordable than ever before. Car batteries typically cost between $75 and $120. Premium batteries can cost up to $200. Hybrid car batteries are the next step up, costing anywhere between $1000 and $6000. When your battery is due for a replacement, Mazda OEM parts in San Diego can be hard to come by, but as your local authorized Mazda dealership, John Hine Mazda has you covered.

Get Your Battery Replaced at John Hine Mazda

Find Mazda OEM parts and quality express services at John Hine Mazda, your authorized Mazda service center. Whether you’re looking for Mazda coupons or more service tips and tricks, be sure to explore our website to stay informed!

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1545 Camino Del Rio S • San Diego, CA 92108

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John Hine Mazda 32.766714, -117.145811.