@Ally I did this as well, but the second set also began having problems. Ended up getting a full refund, but still looking for a good pump.
One of my friends got these wearable pumps on Amazon and I purchased them about two weeks ago and have not gone back to my Medela hospital grade pump. https://a.co/d/jdWiX3Y
If you aren’t a super large chested woman, I recommend the willow go. Personally, I am too large chested for it to empty my boobs (it’s too tight inside my bra so it basically cuts off flow). (For perspective, I was a 36/38DDD before I started breast feeding, I haven’t even bothered to find out when I’m measured at now)
I have the momcozy S12 I emailed customer service and they gave me 2 completely new pumps because I had the same issue with the motors