Unless you have a very expensive intelligent charger (not Ctek) keeping one on a permanent float charge is a very efficient way to destroy a battery hence the interest.
TIA.
Should I be dumping my CTEK for something better ?
No as long as you don't leave it permanently on charge it is adequate.
2009 4/4 Henrietta 1999 Indigo Blue +8 2009 4/4 Sport Green prev 1993 Connaught Green +8 prev