How to Test Common Household Batteries With A Multimeter
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- Опубліковано 4 жов 2024
- In this video I show you how to test common household batteries using a digital multimeter.
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Thanks for watching! 😃
Very very great & useful video, no boring intros or unwanted stuff, simple & on to the point video ❤
Just got the idea how to use it perfectly 👌
Thank you very much Sir, I really appreciate it 💯
Thank you that’s what I needed just so I can use my dad’s multimeter.
Thanks! You gave me exactly the info I needed.
Oh nice, you were plain and clear. Thanks
thanks man!!
Good introduction video using a DMM.
You might demonstrate what happens if the test leads are reversed. You might also address possible bad readings (e.g., resistance) and hazards (e.g., reading higher voltages) if the lead probe tips are touched with fingers during testing.
Thank you very much it's exactly the multimeter that I needed to learn how to check my batteries on...
Helpful. Didn’t realize bad batteries still had so much power still there
Oh, yes. The low voltage AA (1.19 VDC) might still power some devices (e.g., a flashlight with an incandescent bulb). Most electronic devices will not function correctly.
Yes that's why it is also important to recycle them properly.
Thanks. I had mine on the wrong setting!
Informative, useful👏🌟👍
Two notes:
1) You really should test with an inline load (such as a small resistor). Without a load it is possible to measure a good voltage in an actually dead battery.
2) While it is ideal to put the positive and negative on the correct ends, getting it wrong will only change the sign of the output. So for example -3V instead of 3V. As long as you understand that it doesn't really matter which way you measure.
Question: I’m trying to use my multimeter to measure the amps in my AA battery but the multimeter, which is in perfect condition, shows me 0 amps on every setting. What am I doing wrong please?
@@insider235 Why are you trying to measure amps? Unless you are drawing amps I would expect it to be 0. Usually people try to measure voltage in batteries. Try switching to volts and measuring.
@@dono42thank you. I just wanted to know how much amperage my batteries have left in them. Is that unreasonable? I already tested the voltage and got that data. A brand new AA battery like mine should have an amperage of about 2 to 2.5 amp capacity I read. I just want to see if it still has it. Is this unusual somehow?
@@insider235 I don't think that task makes much sense. You will need some kind of power draw to have a non-zero amperage. Power is drawn in watts, and remember that watts = voltage * amperage. An unused battery should not be pulling any power (watts), so it should be 0 watts. Rearrange the the formula to get amperage: amperage = watts / voltage. Hence, 0 watts / X volts, so your amperage will be 0.
Thanks!
Thanks for sharing 👍
Superb
These batteries weren't tested with a load on them, so they really may not be as good as you truly need them...
😯🤔😬
When battery is in good condition,, why it shows more than its voltage. For an example, 9V battery shows 9.64V.
the 9v is nominal. that is the average voltage output of the battery’s usable life cycle.
(these are total bs #s i’m about to throw out for example only)
your battery says 9v. it’s effective voltage range, then, is 8v-10v. when it is brand new and has a full charge, it tests at 10v. as it is used (and other factors) it’s voltage output decreases. after a few months you might test it and see that it is putting out closer to 9v. so it’s still okay. now you test it a few more months down the road and get 8.7v reading. now it’s on it’s last leg and barely hanging on.
To make it more clear, it would've been helpful to show what the proper voltage for each battery should be by pointing it out where it's written on the battery. "This battery is rated at 1.5 volts (point to it on battery), and when we check it, it reads... (etc.)"
Is the volt reading independent from charge? On the rechargeable drill ones for example, will it show the same volt reading regardless if its charged all the way or not?
On my double A battery I'm getting a 1.68 reading so is it good or bad
Good, because it is higher than 1.5 Volts!
Same meter but my brand new AAA reads 235. Not 2.35. Two hundred thirty-five. No decimal places on the DCV20 setting just like yours. All my batteries are like this.
Solved: Bad battery powering the multimeter.
Here's a trick to tell if your AA, AAA, C or D cell batteries are any good or bad without any tool. Find a flat concrete surface and while holding it upright dropping it 2 inches from the surface. If battery bounce severals time that mean it's a dead batt, if it bounce 2 or 3 time mean on it way out. Fresh battery would on bounce once and stop.
hard to be accurate without resistance though; to test under load