The AC adapter conveniently gives your PSP's battery a boost whether traveling for a business trip, in a hotel or at home. 5V 2000mAh AC adapter. Portable and light weight accessory, the adapter is particularly easy to transport because it features collapsible outlet prongs that fold into the base of the charger. Adjusts to all voltages and frequencies in the U.S., Europe, and Asia. Great for users who frequently travel as a replacement charger.