Battery Chargers and Bulk Charge Rate

Submitted: Wednesday, May 02, 2012 at 20:05
ThreadID: 95323 Views:3682 Replies:8 FollowUps:7
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Hi all

I am sure I will be accused of asking a question about something that might have little effect on the overall outcome but as I have said before I am a technically curious person not always for reasons of whether it matters or not.

So to those that think this is a stupid question please do not reply and spoil what might be a good discussion by those that are interested in sharing their wealth of knowedge.

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If it matters to the discussion let's use AGM deep cycle batteries.

Various multi stage chargers have different max current limits in the bulk charge phase of their operation, like 16A, 20A, 30A, etc.

Does the amount of current available in the bulk charge phase affect anything in terms of the effectiveness of the charge or health of the batteries, or does it simply affect the rate at which the batteries recharge to a point the charger will enter the next phase of the charge cycle?

Another way of asking the question would be "is it better for the longer term health of the batteries to have a lower current in the bulk phase and take longer than have a higher current bulk charge, or does it not matter" ?

Ken
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