Power Supply Question...

My laser (a Chinese 40W) has a MYJG40W PS. When I go look it up on Google, the specs say 30kV Trigger and 20mA. Which is 60W. Is it that the actual voltage drops after triggering? Or the components aren't rated higher?

I'm thinking of making an upgrade with a 40W tube (820mm long) as opposed to the 32W (730mm, I think). I just cut hardwoods, it's for a hobby and not a business. I'm thinking I add parts a lot cheaper than buying a bigger machine.

Thanks in advance.

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Power Supply Question...