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Quick electrical question

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Bender:

I have a portable DVD player I'm using just for the screen for a mini arcade cab
A charger didn't come with it, it calls for a 12V 2A, but I have one from a hard drive laying around that is a 12V 3A
can I use it?
and if it will work, will it damage the battery, or anything else?

joemama:

That would work fine, the dvd player will draw as many amps as it needs. Make sure to get the polarity correct.

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