I use hose clamps and a dollar store rubber mat to help protect the case from marks
for my similar style battery in a case like yours.
Plastic zip ties will break
Plastic zip ties with metal locker will break
Plastic zip ties with a load rating of 100lbs will break
Plastic zip ties of any sort are super easy to twist off and break by a thief. Had my old battery stolen that way, though I had 2 on for range testing purposes.
Metal zip ties could work well.
Hose clamps are the best, though a bit bulky on the locker part.
You could look into the mounting mechanism for that battery case. I know I bought a mounting mechanism for my http://www.ebikes.ca/ battery, havent used it yet.
For Grintech batteries
https://ebikes.ca/shop/electric-bicycle-parts/battery-accessories.html
edit
I have been thinking of a way to mount my battery case. Heavy duty T-bolt clamps to fit around bicycle tube, drill a hole in the clamp and figure out a way to use a bolt to mount the battery case. The head of the bolt would be against the bicycle tube with the threads sticking up, then find a way to mount to holes in bottom of case.
Laissez said:
Suggestions for how to fit the battery? Should I drill new holes or zip tie it or something else?
Got any tips?
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Thanks I'll look in to your suggestion and forget about zip ties. I'll definitely try hose clamps.
Something like this could work also? it seems to move the original bottle holder holes.
https://www.bikester.fi/708317.html