Since the following batteries are not official Sony products, we can't make any guarantees as to their quality or safety when used with your PSP device. However, many users of these third party batteries have reported that they are an excellent value for the price. Please note that using non-Sony batteries in your PSP may potentially conflict with the terms of your warranty. Check the documentation that game with your device for details.
 Rechargeable 3600 mAh Battery 3600mAh for PSP 2000 Slim  US $3.49
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 3600 mAh Lithium Rechargeable Battery for Sony PSP Slim US $5.03
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 Replacement Battery Pack 3600 mAH li ion for Sony PSP US $4.38
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 Replacement Battery Pack 3600 mAH li ion for Sony PSP US $4.38
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 Replacement 36 V 3600 mAh Li ion Battery Pack for PSP US $3.99
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 Replacement Battery Pack 3600 mAH li ion for Sony PSP US $4.38
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 Lithium Battery Pack 36v 3600 mAh For Sony PSP 1000 c US $5.75
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 Lithium Battery Pack 36v 3600 mAh For Sony PSP 1000 O US $6.22
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 3600 mAh Rechargeable Li ion Battery For SONY PSP 110 US $6.98
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