I use the same direct connection to the battery for charging, there have been a number of recorded instances of fires as a result of using the cigarette or accessory points especially when left unattended and unfused. Not in M3Ws as far as I know but why take the risk.


Bruce
1964 4/4 Series V Comp (Megan)
1994 +8 (Maurice)
2013 M3W (Olga)