I got tired of my Mobula 7 frame accepting any 1s battery from 450mah to 750mah without much effort while the Meteor 75 Pro would only work with my GNB 550s and the stock 550s it came with. In an effort to support the stock 550mah battery and my thickest 1s battery the GNB 660 I had to size the mount on the loose side for the stock battery, but it does fit, just not as snugly as I'd like.
For mounting just squeeze and press into place at same time, then ensure it's seated properly before use. I plan to make a more stretchable version when I have time.
The author marked this model as their own original creation.