Battery Load Tester

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Today we'll be testing various batteries I have laying around the shop, using a Battery Load Tester. All 4 batteries have been selected for this test, because they all show a different reading.
Voltage;
A load tester has a volt meter, so it will 1st show the surface charge of a battery and display that in volts. It will also show whether or not the charging system of the equipment you're working on is functioning properly, as it should display a higher voltage when the engine is running (and the magneto/alternator is charging the battery).
Amperes;
This battery load tester works by using a coiled filament inside of the tester, and when activated, this filament acts as a resistor, which will simulate a starter being engaged.
A starter creates a high amp drain on a battery, and even though a battery may show a 12v charge, it may not have the ampere output that the starter requires to turn over the engine.
Therefore, a load tester can be used to diagnose, and/or eliminate a battery as a cause of a no-start issue.
For example, you have a vehicle or riding lawn mower that doesn't start, or even turn over the engine, because the starter will not engage.
Using a multi-meter, you test the battery and it shows it holds a charge of more than 12v, so you assume the battery isn't the issue.
You could then spend valuable time searching for other issues that may not exist, as the battery may not put out the amperes needed to engage the starter.
This test can be performed on or off the vehicle. However, to test the charging circuit, the battery will need to be hooked up, with the vehicle running.
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[@EliminatorPerformance]

This battery load tester works by using a coiled filament inside of the tester. When activated, this filament acts as a resistor, which will simulate a starter being engaged. A starter creates a high amp drain on a battery, and even though a battery may show a 12v charge, it may not output the amps that the starter requires to turn over the engine. Therefore, a load tester can be used to diagnose, and/or eliminate a battery as a cause of a no-start issue.

[@joanfajardo2127]

Fantastic videos to learn ,Im new trying to repair my lawn mower with starting issues and now I understand where to start .thank you for this information I’m woman get this testing tools

[@ruthspillman546]

❤great vedios. I have been having issues with my hohn deere mower. I now believe I need to replace my jey inigion. Tks!!!

[@waynestefinashen239]

Nice tool to have for battery diagnosis. Keep up the great videos and can not wait for the advanced tool videos.

[@EliminatorPerformance]

Thanks for watching!

[@andrewwoodward6560]

Very nice demonstration ! Thanks !

[@EliminatorPerformance]

Thanks for watching!

[@Jim-re3sr]

Great video

[@jamiesawyer5102]

Another great video.

[@EliminatorPerformance]

Thanks for watching!

[@sivucit]

you should load test based on the CCA rating. Not really like holding 10 seconds..

[@adamopel5702]

I will get one right away👍

[@EliminatorPerformance]

They work great, thanks for watching!

[@jameskrivitsky9715]

Is this your first battery load tester ? Would you recommend a tester with different features ? Thanks J K

[@EliminatorPerformance]

You can absolutely get more expensive ones, they'll have adjustable load ratings (variable resistance) and some other great features. For what I do, this load tester is good enough, and at $50 doesn't break the bank!

[@donvoll2580]

Good day Wow a battery with 12 volts, no good. Princess auto have them on sale, I wonder if they are any good. Thanks

[@EliminatorPerformance]

We only use 350 cranking amp batteries now, about $69.99 at our local parts store.

[@thomasroche164]

Thank you for this video. Just got it. Should you disconnect the battery before testing? Or, can you test with the terminals connected? Thank you.

[@EliminatorPerformance]

Ideally you'd want to disconnect at least 1 terminal (Incase there's a parasitic draw on the battery). But as long as the key switch is in the off position, I don't see how it could negatively affect the reading.

[@benkanobe7500]

Aren't you supposed to charge the battery, wait until it reaches a "rest" condition, and then load test??

[@rickolson9011]

Classic car? Details?

[@EliminatorPerformance]

It's a secret 🤫

[@Pete.Ty1]

😊👍

[@EliminatorPerformance]

Thanks for watching!