Sony: New PSP Battery Life Same As "Old" PSP Battery Life - Giant Bomb
Amazon.com: Kastar 1-Pack PSP110 Battery and AC Wall Charger Replacement for Sony PSP-110 Battery, Sony Video Game PSP Playstation PSP-1010, PSP Fat, PSP-1000, PSP-1000G1, PSP-1000G1W, PSP-1000K, PSP-1000KCW : Video Games
Revive a Clone Psp Battery That Is Not Charging : 6 Steps - Instructables
Amazon.com: Kastar 4-Pack PSP-110H 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, PSP-1000K PSP Playstation : Everything Else
Revived my PSP 3001 after 10 years with just a battery change. Works like a charm : r/PSP
After 2 attempts on making battery mod, I've successfully revived (and modded) my old PSP3001. Thanks to this sub-reddit and all the instructional posts here. : r/PSP
Upgrade 3.6V 3600mAh Replacment Battery For Sony PSP 2000 2001 PSP 3000 3001 | eBay
How To Replace The Battery in a Sony PSP 3000 - YouTube