I'm upgrading my drone (I need an OSD so I don't over discharge another lipo).
I've bought a "Bardwell F4 AIO FC", I didn't realise it's got a built in PDB, I can take out my old PDB, that's fine.
The docs say if you're using a 4 in 1 ESC (which I am: 20A 4 in 1 ESC) then the battery should be...