Thanks Helder for the answer.

I tried many different batteries with the same issue so I was thinking there was a short somewhere.
It seems that it’s on the screen controller.
I’ve ordered another one that should arrive soon.

I’ll give you some feedback as I get it.

Thanks for your help

Hello Thanks banjo for the answer I’ve checked the solders I already have thick wires ( tuofeng 24 awg I think) but the one veteran gamer used, The power consumption of the pi itself is 500 mamps The problem is probably either on the lcd controller board where I probably have a shortcut or on the am...

Hello everyone, i followed every steps on all the pages , thanks for all the help you provided to the entire community ! but i still have a problem. I'm using the good 6600mAmps flat battery , Helder's retro PSU with the special violet bar, the usb DAC with D-amp 2x3w and of course the teensy. The p...