Let me explain again. I have the below charger. I want to have another option to using the clips with my car battery. The PC power supply is a fine idea, my concern is that the instructions for the battery state not to use more than 3 amps when charging (which is as high as the dial on my charger goes). If I convert say a 12 volt, 5 amp PS for use with thered and black alligator clips on my charger, I was wondering if the 2 amp difference would be a problem. However, it looks like sbot answered my question. If the power is regulated by the charger, there shouldn't be an issue.

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