dji RoboMaster Battery Rack User Manual page 5

cable tie and buckle.
1. Unscrew and remove the power switch. Compress the
magic cable tie with a metal fixing plate and use screws
to fix the power switch, metal fixing plate, and magic
cable tie to the same side you removed the power
switch (the power cables have not been included in the
illustration below for easy viewing).
2. Use the metal fixing plate (hook side facing outwards)
to fix the magic buckle to the opposite side of the power
switch.
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