biltema fits perfekt the viring/terminals.
.they are Sealed..but have a safty vent valve.
.so it use stil acid..and is in princip ´made just like old type ,,just dont have the vent line..
..fine for sohc vho can go heigh in volts
pga the non volt sentive load system/mecanic regulator..
can somone give the 4 types of alternatives..so ve dont mix up the good/bad Things abaut the different types..my English is too bad to give informations korrekt..