Thunderbolt battery holder, Slic3r version

a battery holder for 3dLabPrint 3d printed RC P47 N15 Thunderbolt Slic3r version (does not work with standard version)
This should be very important part because if is battery moving inflight it leads in move Center of gravity of whole plane which is then uncontrollable...
This part gives you the confidence
VERY VERY RECOMMEND
plane compatible with this thing
P47 N15 Thunderbolt (standard): https://3dlabprint.com/index.php?id_product=11&controller=product

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