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  • Part Number: BVA-300
  • Part Number: CP7612
  • Application: Battery
  • Part Number: BVA-200DLP
  • Warranty: 3 months
  • Application: Alternator/Battery/Starter
  • Part Number: 00223
  • Application: Battery
  • Part Number: BT2000
  • Part Number: 081-0172
  • Part Number: 24359
  • Application: Charging/Starting
  • Part Number: PST-900X
  • Warranty: 3 months
  • Part Number: DL-100D
  • Part Number: 24368
  • Part Number: ASC6039
  • Application: Carbon Pile
  • Part Number: MIDMDX700PHD
  • Application: Battery/Electrical System
  •  | Page 1 of 5 |  

Test Your Car Battery and Alternator
If your battery is dead or struggling to hold a charge, it can be difficult to determine the source of the issue. Whether you're on the side of the road or tuning up your car in the garage, use the best alternator testers for cars and trucks to keep track of your battery and know when to replace it or repair your alternator without taking it into your local mechanic.

Durable and Efficient Designs
Just like any tools for working on your vehicle, you need an alternator and battery tester that is rugged and ready for use in the shop or on the road. When searching for battery testers near me, shop for testers that use durable steel, hard plastic or premium rubber components.

Some testers have a simple display that simply shows the voltage for 6-volt and 12-volt batteries. These efficient designs are easy to ready, even in low-light settings. However, premium testers record test results for you to compare the performance of your alternator from one day to the next. This allows you to see how your battery and alternator work over time and potentially catch a problem before complete failure.

Using a Battery Tester
Before using a tester, be sure to read the owner's manual carefully. Not all testers operate the same way. First, inspect your battery to make sure it is safe to connect the tester. Corrosion can damage your battery tester or give improper readings. It can also be a sign that your battery is damaged or improperly charging.

Some testers require you to completely remove the battery, while others are used by simply connecting to the handles to the battery posts. If your alternator is at fault, your new battery won't be able to recharge successfully. A good alternator means that your battery may have been drained before the alternator could recharge it, or your battery needs to be replaced. If you aren't sure how to proceed, talk to your local AutoZone service agent or mechanic to determine the next step.

If you've determined the battery has a fault and needs to be replaced, shop for affordable batteries at AutoZone. It's important to understand whether the issue is with the battery's charge or the battery itself. This helps you avoid unnecessary purchases and saves you time as you troubleshoot any battery or alternator issues.

Affordable Prices, Locally and Online
AutoZone carries a wide selection of alternator and battery testers and features the lowest prices on alternator testers. Purchase a portable tester for your car's emergency kit or keep a premium option in your garage as part of your routine maintenance. A battery tester can save you invaluable time as you quickly diagnose any charging issues and choose the best course of action to keep your car running efficiently.

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