Amazon.com: Mars Devices Replacement Battery for Sony PSP 1000 : Video Games
2pcs 3600mAh 3.6V Rechargeable Lithium Ion Battery Pack for Sony PSP1000 PSP 1000 PSP-110
Helyettesítő akku Sony PSP-1000
3.6V 1800mah Rechargeable Battery for Sony PSP-110 PSP-1001 PSP 1000 FAT US - Walmart.com
Sony PSP 1000 akku Liion 3.7v 1800mah - VPD Pelikauppa
Psp02btl|sony Psp 1000 1800mah/2200mah Rechargeable Battery - High Capacity
Psp02btl|sony Psp 1000 1800mah/2200mah Rechargeable Battery - High Capacity
vhbw Akku kompatibel mit Sony Playstation Portable PSP-1000, PSP-1000K-CW, PSP-1001, PSP-1004,
Picked up this chonkers of a PSP 1000 setup: X2 3600mAh battery with its own battery cover. Battery estimates are all over the place. Haven't tested battery life. : r/PSP