Originally Posted by T-CAT
In almost all my planes, whether that be EDF's, pylons, etc, I cut out a small rectangle shape foam piece in front of and in back of the battery while it's at it's correct CG. I just hot glue thise pieces in and there is no possible movement for the battery. I also use Velcro straps in addition to the foam stoppers. I can take a picture of what I'm describing if you would like.
Please do I think I know what you mean tho but I would still like to see it