If you own a PSP, you might want to uh, make sure your battery isn't expanding – Destructoid
PSP 3000 Troubleshooting - iFixit
Insten Rechargeable Lithium Battery Pack for Sony PSP 1000 1001 Battery Replacement 3.6V 1800mAh - Walmart.com
完売 PSP-3000 MHB 限定版 家庭用ゲーム本体 - hotelskazka.com
Amazon.com: Kastar 2-Pack PSP 110 Battery and LTD2 USB Charger Replacement for Sony PSP-110 PSP110 Battery, Sony PSP-1000KCW, PSP-1001, PSP-1002, PSP-1003, PSP-1004, PSP-1005, PSP-1006 Video Game PSP Playstation : Video Games
PSP3001 must turn on without battery(original cable charging).but cant power on with battery only. : r/PSP