  The collision of test charged particles in the vicinity of an event horizon
of a weakly magnetized non-rotating black hole with gravitomagnetic charge has
been studied. The presence of the external magnetic field decreases the
innermost stable circular orbits (ISCO) radii of charged particles. The
opposite mechanism occurs when there is nonvanishing gravitomagnetic charge.
For a collision of charged particle moving at ISCO and the neutral particle
falling from infinity the maximal collision energy can be decreased by
gravitomagnetic charge in the presence of external asymptotically uniform
magnetic field.
