piPad 7" tablet (w/o Battery brackets)

Here is the case without the battery brackets. If you want you can now add anything you want. I personally use zip ties centered at the x and y axis of my battery afixed to the case. Another great option is Hot glue, this is a great alternative because you can utilize all the available space and also requires NO further changes. Also in case you were wondering (like myself) the allotted space you are given for a battery for this remix is 75x115x25mm or 2.9x4.5x0.9in

I hope this points you in