48v20ah can not use 48V32ah charger.
Because the jack between the two is fundamentally different, it cannot be used universally. The former can be a double-port socket, and the latter is the plug of the wound can not be inserted at all, in addition, the former is the highest he supports 60w fast charging, and the latter reached 1.2 million, so if the 120w charger is charged, it is possible to burn the circuit of the board