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Bit late reply, but I had a Finnex with broken PS. It was a 15V constant-voltage PS so I just got another one from Mean Well of a bit higher wattage than the old. The only thing that matters for these lights is voltage must match and wattage should meet or exceed requited (but don't exceed by too much to avoid extra cost and lower efficiency). My own DIY LED lights use constant current drivers which are a whole different story.