Ducati PANIGALE V45 2021 Owner's Manual page 244

Slide out the ignition switch cover (4) from the rear
and from upwards, paying attention to the inner tabs
(A) connected to the side fairing, positioned on both
sides.
Loosen screw (6), slide out cover (7) fastening the
4
battery and slide it from the upper side.
A
Fig 187
7
6
Fig 188
243