Lithium-ion batteries can swell over time. Here's what you need to know. – Liftoff!
Take a look at the PSP's battery bulge
How to Handle a Swollen Battery in Your Laptop or Smartphone
Sony apparently puts PSP Extended Life Battery Kit back on sale | Engadget
Sony PSP-1000 Replacement Battery for sale online | eBay
Some PSP Batteries Have Swelled Over Time as Noticed in Japan
Battery Swelled Up — Steemit
Greg Miller on Twitter: "Opened my PSP drawer and found all the batteries had inflated and blown the doors off the PSPs. WTF SCIENCE?! http://t.co/VbNzIaEIcU" / Twitter
Spiritsnare△ on Twitter: "Last RT: for real, if you have a PSP...do check its battery, remove it if necessary, and properly dispose of it! https://t.co/PpHKGG8aug" / Twitter
How I Repair Swollen Battery in a minute - DONT TRY AT HOME. - YouTube
File:Psp-battery-types.jpg - Wikimedia Commons
Marti on Twitter: "I'm sad 😟 #PSP #PSPのバッテリー https://t.co/dW4JegJG1N" / Twitter
If you own a PSP, you might want to uh, make sure your battery isn't expanding – Destructoid
Would yall say this is swollen? ( It is kind if curved but not much) : r/PSP
Kaleb on Twitter: "Holy crap, that report of old PSP batteries suddenly bloating reminded me that I have an extra PSP from someone who no longer wanted it, went to look for
PSP owners beware: you might want to check your PlayStation Portable battery | TechRadar
Take a look at the PSP's battery bulge | Engadget
My PSP battery expanded and broke the shell : r/mildlyinteresting
If you own a PSP, you might want to uh, make sure your battery isn't expanding – Destructoid
PSP [PlayStation Portable] Swollen Bloated Battery Will These Bateries Explode? - QuietBoyMusik - YouTube
Old PSPs Are Exploding As Their Lithium-Ion Batteries Degrade
K1 (GBA SP clone) puffy battery | GBAtemp.net - The Independent Video Game Community