Question about DJI Phantom 4 Pro

I would advise against it - even if you do. You don't know what the performance is like, how often it has been charged, etc. I think you're saving in the wrong place. I think you're saving in the wrong place, and in the end you'll pay twice until you have a functioning battery. But that's just my opinion.

PS: To get an answer quickly, I would write directly to the support if the search function does not provide an answer: digitec@digitec.ch