Which charger is better

It is difficult to answer this question - the station must be selected for each specific case. But there are a few rules.

In Montenegro, as a rule, the allocated power per home is 16 kW and therefore it makes no sense to install a 22 kW charger. You will constantly violate the contract with Electric Distribution. And these are fines.

If your car has a 7 kW converter, there is no point in buying an 11 or 22 kW charger. The car still won't accept that kind of power.