Battery is definitely the best quality from all the OEMs out there (trust me I have tried all of them). If anyone tell you that they're selling original battery, it's either they're lying or they have an extremely old stock because Sony has stopped production of this battery since 2014. PLEASE CHARGE MINIMUM 8 HOURS FOR FIRST TIME USE OR THIS BATTERY WILL SEEM LIKE IT'S DEPLETING AFTER A FEW DAYS! Battery replacement for PSP model 1000(FAT)/2000/3000. It can last up to 1.5 hours for continuous play. For the 4300mah battery, it can last up to 3.5 hours continuous play. - - - - - Please take note that you need to have your psp modded to minimum 6.6 in order to play the games in the 25 top PSP game card. Games in the card includes: 1. Half Minute Hero 2. Killzone Liberation 3. Jeanne d'Arc 4. Secret Agent Clank 5. Every Extend Extra 6. Ys Seven 7. Mega Man Powered Up 8. Ape Escape On The Loose 9. Kingdom Hearts Birth By Sleep 10. Gran Turismo 11. Dissidia 012 Duodecim Final Fantasy 12. Persona 3 Portable 13. LocoRoco 2 14. Valkyria Chronicles 2 15. Final Fantasy Tactics War Of The Lions 16. Castlevania The Dracula X Chronicles 17. Power Stone Collection 18. Monster Hunter Freedom 19. Final Fantasy 7 Crisis Core 20. Grand Theft Auto Vice City Stories 21. Patapon 3 22. Daxter 23. God Of War Ghost Of Sparta 24. Metal Gear Solid Peace Walker 25. Lumines PLUS! Gameboy Advance Emulator + 179 games NES Emulator + 3537 games Sega Genesis Emulator + 808 games SNES Emulator + 777 games Total of 5326 games in one card! ============================================== Replacement Rechargeable 3.7V 2400mAh Battery External Battery Pack For PSP2000 PSP3000 Product description: 1.Clip on the PSP Portable Battery Pack and extent playing time by eight additional hours, so you dont have to replace the battery in your PSP. 2.This Portable Battery Pack works specifically with the PSP-2000 and PSP-3000. Just clip it on, plug it in to the charging port and the Portable Battery Pack immediately provides additional power while simultaneously re-charging the in-device battery.