Hi Bladedoctor,i confirmed with my colleague,you bought a Mars 300 which you bought Dec 2015,my colleague replied you email that we can repair for you,you just need to send your light to our repair center,and we will cover the charge for repair fee and send it back to you.But you refused to cover the charge to send it to our repair center,you asked my colleague send the replacement parts to you instead.
As you mentioned that the electrician guy which you found never changed leds before,so my colleague sent you the vidoe to show you how to change.But you said he also need to be paied while he was learning.
We are trying our best to help,but we must follow our warranty policy strictly.My colleague paid you $50USD from her own pocket,my colleague are really trying her best to help you.We are sorry for the inconvenience.