fold2 can only choose the original 25w charger, only the original charger can activate the super charging function of the phone, with super charging. Can let the phone at a faster speed, in a little more than an hour to charge. If you use other auxiliary factories, the charger regardless of the power, the charging speed is very slow. This is also the result of Samsung's own charging agreement.
Samsung mobile phone if you choose a third party charger, you can choose a green link brand charger, but when buying a charger, you must choose a charger that has been certified by Samsung.