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Old 04-09-2009, 06:30   #1
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Gel Batteries

What is the difference between a Gel Excide battery and a Gel USA battery?

I recently fitted a Sterling "Smart Charger" (Pro charge D) which requires a battery type setting, the two Gel types mentioned are as above.

I set ours as a Gel Excide however we are not sure of the difference.
Can anyone please explain?

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Old 04-09-2009, 19:58   #2
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Gel cell batteries are temperature regulated and voltage sensitive. So what does that mean? Gel cels are very sensitive to overcharging which causes them to over heat, at which point they can outgas, which they normally never do. This degrades the battery, seriously shortening it's life. So the voltage at which they charge has to be carefully regulated within a specific range set by the manufacturer. However this varies slightly by brand. Your charger has a setting for two different brands. You can look up the specs on their web sites.

Exide is a well known brand name but I am not familair with Gel USA. Most of the batteries on the market are made by a handful of companies and third party labeled. Such famous brands as Sears Diehard are actually made by some one else and branded for Sears. Often you can buy the same battery under various brand names. Many are made by Johnson Controls. Many Gel cel batteries are made by Optima and sold under several dozen brand names.

Here is web site that lists brand names and who makes them. Car and Deep Cycle Battery FAQ, Battery Manufacturers and Brand Names List, and

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Old 05-09-2009, 08:46   #3
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US Battery and Exide Corp are two manufactures of batteries.
Check out their products lines (brands):

U.S.Battery/Leader in Deep Cycle Batteries

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Old 05-09-2009, 17:37   #4
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Thank you Ike and GordMay for responding.
Should have mentioned the Brand of battery which is "Full River", Chinese made using AGM technology.
We use two FullRiver -12Vx200AH/20HR on our Catmaran.
Our newly installed Sterling UK "Pro-Charge D" 12Vx40amp has settled and is doing it's job in keeping the correct voltage (13V) in float mode for this Hot Malaysian climate therfore I have satisfied my origional question.
Thanks very much for your assistance.
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