On Tue, 06 Dec 2005 09:13:00 -0500, Harry Krause
wrote:

Which model have you? They all seem to do about the same, with the
difference being output power and therefore speed of charge.

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Mine is out on the boat at the moment but I believe it goes to 30
amps. It doesn't really matter that much for all but the largest
batteries because the charger automatically senses battery capacity
and adjusts the charging rate to avoid damage. It also tapers down
the charge for the same reason. Conventional wisdom is that a battery
should be initially charged at no more than 25% of its capacity. For
a typical group 27 marine battery that translates to about 20 amps.