To what from what? What RX do you have? You have to provide some details.
Lotsa vids describe the process.
Motors like this can only help the hobby.
FWIW it's not unusual for some devices to be a bit picky.
What brand and how many gigs?
This would have been a nice choice if you are buying from Amazon. A step up from the toy grades....
I'm sure it is just a rebadge. That said, USA ship....
So all the batteries use the same charger?
Didya watch the vid I posted? o_O
This looks like a cool beginners quad, lotsa features.
Dirt cheap here....
That's where I'd look, when troubleshooting you can't assume anything. That's the only non standard, wrinkle in the equation. Like I said those...
Separate names with a comma.