u/PreparationFancy7275

The solder doesnt stick at all on the bigger pads ( motor, battery etc..) i dont know hwat to do i dont want to cook the pad, how could i solder the things on, i have a 450c soldering iron and flux but it doesnt work

i have a speedybee aio and dont know how to solder the Jhemcu vtx to it, i could also use a tx800 but i lost the thermal pad