Deep Cycle battery types

Submitted: Wednesday, Apr 08, 2009 at 12:56
ThreadID: 67679 Views:1732 Replies:1 FollowUps:1
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Hi,
Are sealed lead acid batteries the same as AGM batteries?

Can both be charged with an equalisation cycle?

I need a new 100amp/hr for use in a caravan. The storage compartment is vented to the outside.
In the past I have had best results with a battery that can be 'equalised' now & then. My PL20 regulator takes care of this on one of its' programs.

Thanks,
Dave
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Reply By: Member - Mike DID - Wednesday, Apr 08, 2009 at 13:02

Wednesday, Apr 08, 2009 at 13:02
There are three ways of holding the acid in a LeadAcid Battery
1.Wetcell
2.Gel
3.AGM

There are at least three ways of designing the plate structure
a. Starting
b. DeepCycle
c. Hybrid (compromise between Starting and Deep Cycle)

Sealed batteries can be any of 1, 2 or 3.

There is no point in Equalising Gel or AGM - the acid can't stratify - in fact overvoltage will permanently damage them.

AGM batteries are inherently good at both Deep Cycle AND Starting.
AnswerID: 358783

Follow Up By: Sand Man (SA) - Wednesday, Apr 08, 2009 at 19:19

Wednesday, Apr 08, 2009 at 19:19
Hey Mike,

That was a bloody good answer.
Bill


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