How To Test Automotive Battery & Cranking Amps With A Multimeter




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Wendell Sealy: What happened to the part about testing Cranking Amps?

Mohammed alghoul: Yes in this case all of you are right positive always first then negative installation and removal since we are young we know that but may be he want to change the rule ;)

Mohammed alghoul: Thanks maaaaan that's video what i would like to see cranking power but there is no way to mesure cca or amp by multimeter ??


Charles Philippe: Parasitic Current Drain test would have bin a good time to perform as well.

Ardent Fan: Thanks for sharing a good method to determine whether a battery is really bad even though its measured voltage showed 12 volts and above. What I understand from the experience mechanics on the internet is that if the cranking voltage is 9.5 to 11.0 volts, the battery is good. Below that it is going bad or is already bad. This is truly an excellent and reliable way to determine the true working condition of a battery.

Tony M: Shouldn't you remove the negative cable first? Then on installing, attached the positive first? Just saying...

Emile Bezuidenhout: you didn't show how to test the amps with the multimeter... 

Brendan Raymond: misleading title.

ahlishere: I thought you were going to show us how to find out what the cca was on any battery. :(

TekReview's: Battery Jumper box is nice to have when car bat is dead and nobody can help you with jumper cables. Campbell makes them can get one at Walmart for like $35 USD. One cable to battery and other to metal somewhere on engine. Cranks right over. And Battery Buddy uses a Lithium Ion battery to store enough juice in case car bat is dead it will crank over your car.

TekReview's: My 02 Civic Honda battery had removable caps for service and most do not know that you can check the level in the cels, I had to add more distilled water to the battery to keep it in good shape. Had it for 8 years before I got it replaced. Just wear safety glasses and gloves to be safe.

TekReview's: How about a video on making your own Super Capacitor board with LiPoly battery backup. Saw a dude do this to a Mazda, he no longer uses a car battery. The Super Caps hold energy a long time, and cranks over just fine even in cold weather compared to a cars normal lead acid battery.

ABflanagan523: Can't seem to find someone to answer this question. Well, with a fully charged battery. When you insert the key in the ignition and turn it, the battery voltage drops (as indicated by your multimeter). From what I saw, the voltage dropped to 10v then jumped back up, you said anything lower than 10v is not a good sign. So my two questions are. Why does the voltage drop when you start it and could you go over why anything below 10v is not good and what could be the cause of it. Thanks!

Morahman7vnNo2: But wait, what about checking the amps?

Odysseus Ithaca: Thanks Johnny!

Eric Cable: Thanks for the video. I think I will try replacing myself instead of paying soneone.

Fake Man: Great video man! Saved my ass!

pinoyeh: Informative video, but, you forgot to record the saved FM stations from the car radio.  Oh by the way, I still have the original factory battery from my 2006 Mazda 3, and it is still alive and kicking......
Rating:
How to Test Automotive Battery & Cranking Amps with a Multimeter 5 out of 5

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How to Test Automotive Battery & Cranking Amps with a Multimeter