Guy Gregoire wrote:
> There is on the market different car battery charger, some can be 12v. 5
> amp. , other 12v. 7 amp. and so on.
>
> in this example is the 12v. 7 amp is better? will it build up a bigger
> charge in the battery, or will it only charge
> the battery faster than the 5amp.?
Both chargers will charge a battery to the same level, the difference is
how long each one takes and/or the quality of the transformer used in
the charger. Given that our tanks use multiple, relatively large
gel-cell batteries and we generally charge them in parallel, you should
always choose the charger with the higher amp rating. I routinely
connect eight 26+ AH batteries to my 10amp charger for overnight
charging ... a 2amp or 4amp charger would never be able to handle that
load in the same time period. In fact, with that many batteries
attached, I use the 2amp setting as a "trickle charger" (each battery is
only seeing 250ma of charge current).
Frank P.
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