Is a Hailong Shark battery on a round tube a bad match?

I have a bike ordered that I really, really like. It ticks all of my main boxes:

  • 52V battery
  • True 750W Hub
  • Torque Sensor
Problem is, this bike uses a Shark battery and a good number of guys in the owner's group have commented on battery wobble no matter how tight the bracket is. Solutions that have been mentioned are using Velcro straps around the battery and tube to eliminate movement. I'm not sure how effective this will be but it sounds like it is a solution some have used in the past with these batteries. I plan to ride this bike both on the road and off road in some bumpy areas. Trails with roots, some rocks etc.

Anyone have thoughts or experience with Hailong packs?
 
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