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Thank you. The 12V actually did charge it *somewhat*. The unit "bloops" when you plug it in and the charged light went from red to orange in time, but that's as far as it went. No sound after a while when plugging it in (I kept changing chargers to see if they make a difference). I had just...
Hi, I'm really here just to ask a very basic question. I have a rechargeable Bose speaker which takes a 17-20V, 1A current from its power supply to charge its battery(ies). However, I lost or otherwise cannot find the transformer. So like most, I have more than a dozen orphaned black bricks...
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