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I use an 18v drill battery with an adjustable regulator , heat sink and fuse/indicator light which I have tuned to be below 15v and provides enough amps for a camera. I connected the wiring to the input clips of a 5v clip on USB module that you can buy for the drill battery. Works fine and saves one more power lead and transformer , also providing 5v at 1 or 2 amps if required.
Last edited by Sunfish; 21-09-2021 at 08:54 AM.
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