Originally Posted by rogerkiu

Hi! Thanks for your advice.

Actually I am not planning to do everything, just want to do some module replacement DIY. So I think Deutronic is too much for this purpose. I believe something can provide stable voltage around 13.5v to 14v is enough for my purpose, but have no idea on AMP. Is 25 AMPs is enough or I need 40 AMPs? Thanks for any advice.