In order to use an upgraded 2200mAh battery in your Slim PSP, you'll need to also purchase an extended battery cover. Upgrading to the 2200mAh battery will drastically improve the total time your PSP can be used before needing to recharge and is highly recommended for moderate to heavy PSP users.
 Extended Back Battery Cover Door for Sony PSP 2000 3000  US $5.13
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 For Sony PSP 2000 3000 Extended Battery Door BACK COVER US $4.89
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 Extended Back Battery Cover Door for Sony PSP 2000 3000 US $6.75
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 For Sony PSP 2000 3000 Extended Battery Door BACK COVER US $.01
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 Extended Back Battery Cover Door for Sony PSP 2000 Slim US $1.55
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 Extended Back Battery Cover Door for Sony PSP 2000 Slim US $1.55
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 Extended Replacement Battery Cover for PSP 1000 Battery US $1.55
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 For Sony PSP 2000 3000 Extended Battery Door BACK COVER US $4.89
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 Extended Back Battery Cover Door for Sony PSP 2000 3000 US $5.13
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