Benchmarks of these batteries at hand: 1200 mAh, 2400 mAh and 3600 mAh : r/ PSP
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
Amazon.com: Tectra 3600mAh 3.6V Rechargeable Battery Compatible with Sony PSP 1000 PSP-110 Console PSP 1000 1001 1002 Series(NOT Compatible with PSP-2000 or 3000 or PSP Slim) : Video Games
New Sony PSP 1000 Original 3.6v 3600 mAh – Resurgence Games
Amazon.com: Generic 3.6V 3600mAh Battery Pack for Sony PSP 1000 : Video Games
Sony PSP 3000 Mystic Silver Console w/Box Charger w/3600 mAh battery 2172 4948872411998 | eBay
Amazon.com: MaxLLTo 2X 3.6V 3600mah Rechargeable Battery for Sony PSP-110 PSP-1001 PSP 1000 US : Video Games
Upgrade 3.6V 3600mAh Replacment Battery For Sony PSP 2000 2001 PSP 3000 3001 | eBay
Rechargeable Battery Pack For PSP® (1000 Model) - Tomee – Fair Game Video Games
Sony PSP 3000 Sky Blue Marine Blue Console Only 3600 mAh Batt NTSC-J 0342 | eBay
File:PSP-3000-Model.png - Wikimedia Commons
for sony psp 1000 game console| Alibaba.com
How To Change a PSP Battery | Nostalgic Video Games - YouTube
PSP] Batérie pre PSP 2000/3000 3600 mAh (nová) | Konzolyahry.sk
Psp 3600, Mobile Phones & Gadgets, Other Gadgets on Carousell
Rechargeable Battery Pack for Sony PSP 1000® Model - XYAB
1 pcs Just for PSP Battery SLIM 2000 3000 Replacement Rechargeable 3600mAh 240XP00846 | Wish
Sony PSP 1000 Black Console w/Box 3600 mAh Long Lasting New Battery 9164 | eBay
2 x PACK PSP 2000 3000 (SLIM) Replacement Battery Pack 3.6v 3600 mAh - Walmart.com
Sony - PSP-PlayStation Portable Battery | Complete Battery Source
Amazon.com: High Capacity Quality Real 3600mAh 3.6V Lithium Ion Polymer Li-ion Polymer Rechargeable Battery Pack Replacement for Sony PSP 1000 PSP-110 Console(NOT Compatible with PSP-2000/3000 or PSP Slim) : Video Games
Sony PSP 2000 Mint Blue Console Only wo/Charger 3600 mAh Battery NTSC-J 4966 | eBay
Tomee Sony PSP 1000 Rechargeable Battery Pack 3.6 V 3600 mAH - Sony PS – J&L Video Games New York City