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Old 10-05-2011, 07:50 PM   #1
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Question Batteries-hydrometer reading.

I tested the two batteries and the reading came up in each cell as between 1225 and 1250, also read Fair.

Can I depend on my batteries (Interstate) for awhile? No corrosion. Both look brand new/clean. They are 4 years old.
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Old 10-05-2011, 08:03 PM   #2
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Hi Paty,
This is from the Trojan Battery Company on specific gravity tests. Before you give up on the batteries try equalizing them.
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Old 10-06-2011, 12:26 AM   #3
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Quote:
Originally Posted by paty View Post
Can I depend on my batteries (Interstate) for awhile?
You probably can as long as they're not starting batteries. If they're your house batteries they may work for a long time yet, but you'll notice the lights won't be quite as bright and your water pump won't run as fast. Being a DC motor, low voltage is not going to hurt it or the lights though. But you probably shouldn't try to run the refrigerator. If they're weak, the fridge will drain them very quickly.
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Old 10-06-2011, 04:35 PM   #4
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To properly test with a hydrometer you should have a temperature compensating hydrometer. No more expensive to buy but harder to find. I found mine on the internet.
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Old 10-06-2011, 05:57 PM   #5
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hydrometer types

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To properly test with a hydrometer you should have a temperature compensating hydrometer. No more expensive to buy but harder to find. I found mine on the internet.
Have a compensating hydrometer. Just lucked out that is what I purchased, as at that time I didn't know about temp. compensating.

If shopping for one online Google EZRed.

Lifetime warranty.
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Old 10-06-2011, 06:01 PM   #6
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You probably can as long as they're not starting batteries. If they're your house batteries they may work for a long time yet, but you'll notice the lights won't be quite as bright and your water pump won't run as fast. Being a DC motor, low voltage is not going to hurt it or the lights though. But you probably shouldn't try to run the refrigerator. If they're weak, the fridge will drain them very quickly.
House batteries. And yep, am running the fridge off of them also
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Old 10-06-2011, 06:20 PM   #7
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Just to be sure,
You are positive the batteries were fully charged prior to the mesurement correct? Like indicated in the Table on the Trojan site, those numbers indicate approximately 80% capacity. Is that due to not being fully charged or the most they can accept?

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Old 10-06-2011, 06:26 PM   #8
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Equalizing batteries

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Hi Paty,
This is from the Trojan Battery Company on specific gravity tests. Before you give up on the batteries try equalizing them.

Don't have a charger. I understand not all chargers have an equalization setting, which one needs.

Interesting articles...thanks!!
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Old 10-06-2011, 06:37 PM   #9
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Charged state of batteries

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Just to be sure,
You are positive the batteries were fully charged prior to the mesurement correct? Like indicated in the Table on the Trojan site, those numbers indicate approximately 80% capacity. Is that due to not being fully charged or the most they can accept?

Dave
No to your first question. I was new to RVs when I had to make one my home. Batteries came with it. As I stated in another reply, I do not have a charger with equalization settings (or a charger at all). Batteries are trickle charged via being on A/C electricity full time. Yes saw the table. Unless a charger was made available, I guess I'll have to accept 80%.
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Old 10-06-2011, 07:22 PM   #10
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Many later model converters have 3 stage charging capability. Are you able to determine what converter you have?

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Old 10-06-2011, 09:57 PM   #11
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That is not unusual for the low-end converter/chargers. They will not charge at a rate to "top-off" a battery charge. You might borrow a battery charger that will re-charge your batteries to a full charge. Pull the negative cable to protect sensitive electronics. Battery Basics might help explain things. An equalization charge is nothing more than leaving the charger running for a few hours longer than reaching full-charge as read by your hydrometer.
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Old 10-07-2011, 01:08 PM   #12
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Question Type of converter

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Many later model converters have 3 stage charging capability. Are you able to determine what converter you have?

Dave
Much info on the panel. Anything specific I should look for, to determine what converter I have?
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Old 10-07-2011, 01:31 PM   #13
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Not sure who Keyystone used for their AC/DC distribution panel and 12VDC converter. Could be Progressive Dynamics, WFCO, or Parallax to name just a few. As you can see here BestConverter - Converters, Inverters, Electrical Supplies, Electronics there are a lot of possibilities. Would need to know what converter manufacture and model number you have in order to say what abilities you have. The owners manual at the Keystone site did not list the information.

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Old 10-07-2011, 06:20 PM   #14
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Converter info.

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Not sure who Keyystone used for their AC/DC distribution panel and 12VDC converter. Could be Progressive Dynamics, WFCO, or Parallax to name just a few. As you can see here BestConverter - Converters, Inverters, Electrical Supplies, Electronics there are a lot of possibilities. Would need to know what converter manufacture and model number you have in order to say what abilities you have. The owners manual at the Keystone site did not list the information.

Dave
Keystone is pretty mum,on most of their RV info.

Ok Converter info. (Possibly more than needed)

World Friendship Co., LTD
Model WF-8955AN w/Plastic
Power Converter with panel 70VF

Electrical Rating:
Panel Input 120VAC
60Hz 30am
Converter Input 105-130 VAC, 950 watts
Output 13.6 VDC
55 Amp including charging and load.
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