same experience for me two years ago…
the charger of my magicshine melted and batteries went red hot,
it was just luck that it only burnt the floor..
the light itself is still fine until today..
had a lupine light before, an early one from 2001 (nightmare LiOn), halo no led and stupidly expensive but ..
had this unit in use for 11 years charging it two times per week during spring/winter/fall time..and constantly on the charger during the summer months…never had any problems, never thought about..
so meanwhile I think you get what you pay for according to chargers and batteries…but know of course that some forum members here see this different.. :wink: