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Shipped since 2021
Over 16,000 parts sent out since 2021 at a 4.9 rating across 2,448 reviews. Every one of them packed here by hand.
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A high capacity replacement battery for the original PSP 1000, rated at 3600mAh against the 1800mAh cell Sony fitted.
Fits: the PSP 1000, the original fat model. Not the 2000, 3000 or Go, which use a different cell.
Replace a swollen battery immediately. Lithium cells of this age commonly swell, and a swollen battery will bow the back cover or make the console sit unevenly. Do not keep charging one. That is the single most important reason to replace a twenty year old PSP battery, well ahead of runtime.
Worth knowing, honestly: aftermarket capacity ratings are routinely optimistic. Expect a real improvement over a worn original, but treat 3600mAh as the label rather than a promise. A high capacity cell is also slightly thicker, which on some units makes the cover a firmer fit.
If your PSP will not hold charge at all and a new battery does not fix it, the charge port is the next thing to check.
