Please see this updated FAQ on fuses What fuses to I need for the Power Station PS-2?
The correct internal fuse for your PS-2 is [Littlefuse 0217.630MXP] (https://mou.sr/4h0BMBE) (or 0217.630HXP, 0217.630VXP, 0217.630TXP).
The mains fuse depends on the mains voltage of your region.
Regards,
Dan