If you want the safest and most consistent charge, tracking down an original Sony OEM PSP-100 Adapter is the way to go.
For a reliable Sony PSP charging setup, the best options generally fall into two categories: the for maximum reliability or a USB-to-barrel cable for modern convenience. Best Overall: Official Sony OEM AC Adapter (PSP-100) Sony Psp Charger
: Allows you to charge anywhere with a standard USB port. If you want the safest and most consistent
: Often found in "Very Good" used condition on eBay or Amazon. Best for Convenience: USB-to-Barrel Charging Cable not the standard barrel jack.
: Built with proper internal shielding to prevent overheating or battery damage.
Note: The PSP Go uses a proprietary flat connector, not the standard barrel jack.