Great video, I have stopped fixing these cheap inverters now as the cost of genuine mosfet's has made it uneconomical. Nobody wants to pay for the repair when they are so cheap to buy now. I've also had a couple that have had tracks melted enough to damage the board without the fuse having blown, and the output side mosfet driver chip is often damaged. It depends on how they fail, but I suspect the right inductive load creates large emf voltages that can spike the output mosfet's hard enough to send those destructive voltages back through the gate to the driver, killing it, the HV side mosfet's go short circuit and the low side ones quickly follow. Good to see yours was just the mosfets anyway. Cheers.
yes you are right,its not economical to repair but its ecological.I usualy replace with parts with greater current and greater voltage. In this case,I put double current mosfets.And in this lucky case the drivers and the track were good.I think this inverter worth repair.
Hello, I've bought an identical one 3 weeks ago, and it makes a high-frequency sound every time it starts up, lasting about 2 minutes, while the fan runs non-stop. I wonder why it has that deafening sound. Can you recommend a better inverter to use in my truck for powering my laptop? Thank you in advance.
if u need only for laptop,u can buy 12v adapter for it.greencell is cheap and low quality,easun is medium price medium quality,and vitron is expensive and best quality.
@@diymariuselectro Sa fiu sincer, mai degrabă m-ar tenta să achiziționez un adaptor că e mai mic că dimensiuni. Totuși, mă preocupă durabilitatea acestuia - nu aș vrea să existe riscul de incendiu. Ai recomandări pentru un adaptor de încredere în loc de un invertor, capabil să alimenteze un laptop Dell M4800 de la priza de 12 sau 24v a camionului? Pe încărcătorul meu este indicată o putere de 190w. De asemenea, folosesc adesea Blender 3D pentru randări, ceea ce înseamnă un consum ridicat de energie. Ce sfaturi ai în această privință?
