bubbles

mtaswt · 09-30-2009, 09:14 AM

I charged my batteries over night and pulled the plug out before i left for work. When i got home i checked the voltage (90%) and the batteries still sounded like they had some bubbling going on. I know they bubble while charging, but is it normal for them to continue to bubble 8 hours later? They were not bubbling like they had just been charged, but it did sound like i heard some bubbling going on. Normal/Not Normal?

Thanks,

dougmcp · 09-30-2009, 09:39 AM

Bubbling is normal even after sitting.
At only 90%, if your charger is working properly, I would think your batteries are getting older and may soon be ready for replacement.

mtaswt · 09-30-2009, 09:47 AM

The batteries are brand new...........I will get the numbers off of them tonight and the readings from them as well and post them tomorrow if i have any questions. I just bought the cart, but the batteries are "supposed to be new?"

Thanks, Matt

dougmcp · 09-30-2009, 09:54 AM

If the batteries are Trojans look for a code on the negative post with a letter and a number, this is the month and year. Mine are D-4 which is Apr/04. Other batteries use a similar code as well and you will have to look around a little.
You are using a digital voltmeter to check your batteries, right?
Here is a state of charge chart to help you determine your battery condition:

09-30-2009, 09:14 AM	#1
mtaswt Not Yet Wild Join Date: Sep 2009 Location: Texas Posts: 50	bubbles I charged my batteries over night and pulled the plug out before i left for work. When i got home i checked the voltage (90%) and the batteries still sounded like they had some bubbling going on. I know they bubble while charging, but is it normal for them to continue to bubble 8 hours later? They were not bubbling like they had just been charged, but it did sound like i heard some bubbling going on. Normal/Not Normal? Thanks,

09-30-2009, 09:39 AM	#2
dougmcp Gone Wild Join Date: Mar 2009 Location: Roseville, CA Posts: 2,757	Re: bubbles Bubbling is normal even after sitting. At only 90%, if your charger is working properly, I would think your batteries are getting older and may soon be ready for replacement.

09-30-2009, 09:47 AM	#3
mtaswt Not Yet Wild Join Date: Sep 2009 Location: Texas Posts: 50	Re: bubbles The batteries are brand new...........I will get the numbers off of them tonight and the readings from them as well and post them tomorrow if i have any questions. I just bought the cart, but the batteries are "supposed to be new?" Thanks, Matt

09-30-2009, 09:54 AM	#4
dougmcp Gone Wild Join Date: Mar 2009 Location: Roseville, CA Posts: 2,757	Re: bubbles If the batteries are Trojans look for a code on the negative post with a letter and a number, this is the month and year. Mine are D-4 which is Apr/04. Other batteries use a similar code as well and you will have to look around a little. You are using a digital voltmeter to check your batteries, right? Here is a state of charge chart to help you determine your battery condition:

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