What is the best way to measure the voltage in this battery?
511884
A voltmeter with the plus lead on red and the minus on black or blue will give you the voltage. If you run the battery down it may not charge right away, the charger will trip and not apply a charge. I have found that waiting and retrying will often revive the battery. It will read below 4 volts but will gradually recover.
511885
A meter that will read DC volts is the only accurate way.Read between the black and red on the lead that plugs into the plane,as this is where the output voltage is.This is a 3 cell battery,consisting of 3 3.7v cells,which together equal 11.1 volts.If a cell is bad,you may get a lesser reading of 7.4 volts.
511886
Use a multimeter. Be sure to set the multimeter to DC volts. place the black lead into the black lead of the battery connector and the red lead into the red lead of the battery connector. Now you can read the voltage. RadioShack sells very inexpensive multimeters or perhaps you could buy one on Amazon.
511887
With a voltmeter or multimeter. There are also hobby parts that can be plugged into the balance port to sound an alarm when cell voltage gets too low, if you want to check it in the model.
1855437
As far as I know, no. To test the charge, it is executed a discharge/charge cicle. It would be possible to test the volts of the battery, wich is reliable mesasure for non-rechargeable batteries, but I presume it would be dangerous.
190052
the best way to get an answer to this question is to go to the battery tender site and they will be able to give you a correct answer
964460
Yes, set it on the 20V scale to measure the car battery voltage since the batter voltage is nominally 12 VDC. It would be hard to use it to learn much more about your battery. Battery weakness would show up under heavy load when high current is being pulled out of it. Voltage for a weak battery would dip under such a condition but this would hard to create without sophisticated test equipment. You can get your battery tested for free at places like Auto Zone.
1986492
pretty simple, just fit the battery into the test area and it gives a super quick read on the battery, works great! takes less than a couple seconds to know good or bad, super simple!
651898
check for a full 48 volts at the terminals that connect to the meter with a voltmeter. A bad ground or excessive wire resistance will fool the meter into giving a lower than normal reading. Or the meter is defective. A digital voltmeter will confirm the actual battery pack voltage.
1488705
Yes it will tell you if a 12V battery is good or bad. But the best way to test a 12V battery is to use a load tester or take the battery to a auto store and ask to load test it they usally will and not charge you for it. That is the best way.
667845
An 8 volt rated battery should test at 8.6V- It may read that 8.6 after a charge, but the test is to use it for a minute or so to clear the top charge. If it still reads 8.6, not less than 8.5V, your battery is in all likely hood OK. Hope this helps...John
1419464
i don't think that will work as you would be measuring micro voltage , you may need a galvanometer
1133582
The Guage will show how much amps the charger is putting in the battory if your battery is not taking the charge I would have to say the battery is bad
215441
sir, i am confused by your statement. i would verify the battery is being charged. since it is DC current a simple multimeter will provide this information.i purchased this battery for a back up security system. the system becomes active in the event of a power loss.
2223971
I put a voltmeter on it and it puts out around 36v, which I use to charge my 24v battery bank.
66954
Not sure I use if for a solar power pack. Measure voltage of battery and the draw from the battery
542733
Several possibilities for the problem. Use quality batteries such as Duricell and be sure to buy from a supplier with a high turn-over. Be very sure that the battery's are fresh. Even a dead battery will measure 1.5 volts but it will not be able to deliver the required current. When operating with low voltage, contact resistance is always a problem. To minimize this resistance issue, always spin the battery's after installation, this polishes the contacts. There is always the possibility that the unit is defective. I have not had any problems with my unit..............hope this helps.............Bill Several possibilities for the problem. Use quality batteries such as Duricell and be sure to buy from a supplier with a high turn-over. Be very sure that the battery's are fresh. Even a dead battery will measure 1.5 volts but it will not be able to deliver the required current. When operating with low voltage, contact resistance is always a problem. To minimize this resistance issue, always spin the battery's after installation, this polishes the contacts. There is always the possibility that the unit is defective. I have not had any problems with my unit..............hope this... » Read More Several possibilities for the problem. Use quality batteries such as Duricell and be sure to buy from a supplier with a high turn-over. Be very sure that the battery's are fresh. Even a dead battery will measure 1.5 volts but it will not be able to deliver the required current. When operating with low voltage, contact resistance is always a problem. To minimize this resistance issue, always spin the battery's after installation, this polishes the contacts. There is always the possibility that the unit is defective. I have not had any problems with my unit..............hope this helps.............Bill « Show Less
1484395
what are you measuring? Are you measuring batteries? If so, then it's pretty normal to have a higher reading except the 3.7V one.
1484394
It may not be reading wrong. Batteries usually put out a little more than they are rated.I know my car battery usually puts out about 13.5V
357720
Ask the seller to look all the way to the bottom of where the battery plugs in. The voltage is printed into the plastic.