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Old 12-01-2022, 07:53 AM   #1
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4D Battery Watering

A half day of Googling, emails, and phone calls has failed to turn up any evidence that there is a battering watering system or vent valves available for these 4D batteries. Threaded caps, flush or not, seem to be the issue for all group types. I hope someone here can prove me wrong because I'm tired of adding water with my eyes just a few inches above the vents.
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Old 12-01-2022, 09:26 AM   #2
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All I have ever used to add distilled water to my batteries is a turkey baster. Using a good flashlight, I can see into each cell, at least 18" away to add water.

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Old 12-01-2022, 09:35 AM   #3
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All I have ever used to add distilled water to my batteries is a turkey baster.

Exactly what I've been doing. Thus the post. It's difficult and potentially dangerous on our boat so I don't do it as often as I should. I'd like to treat the two new batteries I just bought better.
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Old 12-01-2022, 09:41 AM   #4
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https://www.flowsystemsusa.com/water...-vent-cap.html

Maybe the above can help..

I don't have the sites but there were/are systems that join all cells caps together allowing the cells to be rewatered all at the same time without overfilling.
Have you actually gone to some of the battery shops and asked about watering systems. Target the more industrial type of battery supplier.
Sometimes the internet is NOT the best research tool.

I had a shelf overtop of the batteries. I hole sawed holes in the shelf to improve access. I then could use a small flashlight, and mirror to see.

Then I bought a plant watering container, about 2 litres, which could be pressurized and once the wand was in position I then pressed the release lever and the water topped up the cells.

Twas far better than what I used to do which sounds similar to what you are going through.

How about this:

https://batterywatering.com/collecti...ommercial-kits

https://batterywatering.com/pages/commercial
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Old 12-01-2022, 10:53 AM   #5
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Roger,

I had one of those watering systems on Ansedonia for several years on my house bank, which has 6 tall 6v batteries. Although it would load over a gallon each time I used it, when I finally visually inspected them, the top of all the grids were dry! I took the system out after that.

BTW, I have a used RV watering system that I will let go for $25 plus shipping.

Cheers, Bill
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Old 12-01-2022, 12:48 PM   #6
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I used this water jug to water mine. Got it on Amazon for about $15.

Golf Cart / Deep Cycle Battery Jug Water Filler Bottle w/ Auto Shut Off
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Old 12-01-2022, 01:38 PM   #7
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I don't know of any watering systems for starting/dual purpose batteries?
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Old 12-01-2022, 03:30 PM   #8
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Check Flo-rite.com. Phone is 616-538-1700. Local company here in Grand Rapids. MI. They have systems for many different battery types, marine, RV and industrial. I don't know what caps your battery has, I'd call and see if they can match them. I've been using them for years on grp 31 and GC batteries. Good stuff.
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Old 12-01-2022, 03:50 PM   #9
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Check Flo-rite.com.

I did. No joy.
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Old 12-01-2022, 03:55 PM   #10
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A Facebook site turned up these which I think are actually a better solution for me than a bunch of tubing running around and the potential for one of 12 valves to miss-function.


NAPA Part Number 7001161 is similar.
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Old 12-01-2022, 04:44 PM   #11
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I always buy AGM batteries because of this.
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Old 12-01-2022, 06:01 PM   #12
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A Facebook site turned up these which I think are actually a better solution for me than a bunch of tubing running around and the potential for one of 12 valves to miss-function.


NAPA Part Number 7001161 is similar.
That's what I use. They auto stop at the correct level.
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Old 12-01-2022, 06:53 PM   #13
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Quote:
Originally Posted by Roger Long View Post
A half day of Googling, emails, and phone calls has failed to turn up any evidence that there is a battering watering system or vent valves available for these 4D batteries. Threaded caps, flush or not, seem to be the issue for all group types. I hope someone here can prove me wrong because I'm tired of adding water with my eyes just a few inches above the vents.
Just to be clear, are you watering so called "sealed" batteries, not batteries with conventional screw caps?
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Old 12-02-2022, 07:16 AM   #14
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Just to be clear, are you watering so called "sealed" batteries, not batteries with conventional screw caps?
I wondered about that from the pic but looking at the East Penn info they are listed as flooded...?
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Old 12-02-2022, 07:47 AM   #15
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I wondered about that from the pic but looking at the East Penn info they are listed as flooded...?
After 7 decades of FLAs I was never aware they were so much trouble.

FLA batteries can indeed be sealed. My engines and genset batteries are so equipped. It is not recommended or necessary to "unseal" them to add water. AGMs are sealed wet acids too but with a different sponge like plate design and liquid electrolyte.

BTW, use safety glasses, disposable clothing (religious attire as my wife calls it) and rubber gloves when adding water to FLAs.
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Old 12-02-2022, 08:40 AM   #16
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Quote:
Originally Posted by Bacchus View Post
I wondered about that from the pic but looking at the East Penn info they are listed as flooded...?

The caps are flush but unscrew and the batteries do lose water slowly. They are conventional flooded architecture inside.
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Old 12-02-2022, 08:46 AM   #17
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I always buy AGM batteries because of this.

I used them on my sailboat for that reason and because of greater chance of spillage in a knockdown. This trawler came with the 4D flooded and I needed to replace them in an afternoon because of sudden failure and AGM was not available. The price of replacing them with AGM might be worth it but not the work of getting them in and out. Yikes!


Incidentally, my sailboat ran thousands of miles, much of it under power, with a standard alternator charging the batteries and they did fine. I ran them dead, dead, flat once when the boat was on the hard and the hose broke off the bilge pump so it just ran for days pumping rain water. I recharged them and they were still going 3 years later.
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Old 12-02-2022, 08:54 AM   #18
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A half day of Googling, emails, and phone calls has failed to turn up any evidence that there is a battering watering system or vent valves available for these 4D batteries. Threaded caps, flush or not, seem to be the issue for all group types. I hope someone here can prove me wrong because I'm tired of adding water with my eyes just a few inches above the vents.
These are heavy duty commercial batteries designed to be no/low maintenance. They provide great vibration resistance and a ton of CCA for a reasonable price. I Use 4 of the Grp 31 versions for my generator & main engine start batteries. I have never peeled off the decal to access the watering caps ‘cus I just use them for start functions. Since that is their intended purpose, likely no watering caps are made for them. (I also have FLA GC2 & L16’s with a battery watering system as my house bank -takes 5 minutes to water “inaccessible” banks).

You didn’t describe how you use them, or how you recharge them. If they are being used for house batteries with longer discharge/charge cycles, it probably explains the high water requirements. East Penn/‘Deka doesn’t even provide the float/absorption parameters for these Heavy Duty Commercial Service Batteries, ‘cus they are usually charged by internally regulated engine alternators. Bottom line: you have to continue with manual watering.
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Old 12-02-2022, 08:56 AM   #19
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Quote:
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The caps are flush but unscrew and the batteries do lose water slowly. They are conventional flooded architecture inside.
If your batteries are VRLA (valve regulated lead acid) or sealed they won't lose water. VRLA are lead acid but without antimony. Regular FLAs have antimony and designed to lose water. VRLA batteries have flush caps, what is your battery model?
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Old 12-02-2022, 09:49 AM   #20
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If your batteries are VRLA (valve regulated lead acid) or sealed they won't lose water. VRLA are lead acid but without antimony. Regular FLAs have antimony and designed to lose water. VRLA batteries have flush caps, what is your battery model?

Deka 904D. The caps are flush with a slot to unscrew them.
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