By using the 3D printer, I have done a Univeral Rack for those useable LIHV and LIPO batteries ( Weight wise ) , that will fit i.e Hyperion 3650,4400 and 5200. TP 4500 and 5400 and Nano tech LIPO dual 1550, 2200 and 4500.
Photopro30 we all know the easiest way to mod are on the Bird side but...