Amazon.com: EXTENDED 3.6V 2400mAh Li-ion Slim Rechargeable BATTERY PACK For SONY PSP Slim 2000/3000 (Not Compatible with PSP 1000 Fat) : Video Games
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OSTENT 2200mAh 3.6V Lithium Ion Li-ion Polymer Rechargeable Battery Pack Replacement Upgraded Version for Sony PSP 1000 PSP-280 Console Video Games : Video Games - Amazon.com
SONY Playstation PSP-110 baterie Li-ion 3.6V 2200mAh (HKSO-110-384) | TSBOHEMIA.CZ