Tach together… after half the time I have charged my car with 230V->12V and since yesterday at noon 2 times starting assistance I have just measured the LiMa power…. only engine partial load LL 13,53V 5000rpm 13,55V everything on (HSH, 2 times sitting hzg, air conditioning (both fans), mirror heating any lighting and radio full pulley ) LL 12,35 12,80V 5000rpm 12,8V is now in the bag or not? looks actually rel. stable or is that outside the tolerance? LiMa controller (if BOSCH) or complete LiMa? achso charging control light only lights up for control (so ignition/motor off) battery Varta SilverLine from January 2008 (purchased ) Thanks MfG Flo