When available, we will list official Sony 1800 mAh battery packs for the PSP "Fat" here. Since they're for an older PSP model, official batteries are usually in limited supply. If there are no official 1800 batteries available, you might want to consider checking out deals on third party batteries for the PSP "Fat".
 Used Original PSP Fat Battery PSP 110 PSP 1001 1800 mAh  US $13.99
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