I had gotten two off-brand batteries a couple years ago, but they don’t seem to hold a charge very well…
and lately they sometimes kinda get stuck in the camera
That is exactly my experience with off-brand batteries. I finally ended up getting another Nikon-brand battery. They are about 4 times the price (ouch), but they last 4 times as long, so in the end it comes out the same price long-term.