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myredracer's avatar
myredracer
Explorer II
Aug 28, 2015

How to determine rating of a new converter panel?

If I were to upgrade our basic WFCO converter to one of the good ones like PD, how do you determine the rating to use? 45, 60, 70 or 80 amps? Is bigger better? We don't dry camp and don't discharge...
pianotuna's avatar
pianotuna
Nomad III
Aug 29, 2015
I successfully charged an 875 amp-hour bank with a 40 amp PD which was equipped with a wizard. The batteries are 6 and 10 years old and are being replaced tomorrow.

Not quite nothing. If you want fast charging then a bigger converter will initially put more amps into the bank.
red31 wrote:
So battery capacity has nothing to do with converter DC rating?

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