PSP-S110 Battery for Sony PSP Lite, Brite & Slim - 1800mAh
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PSP Battery Change Tutorial - YouTube
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PSP 2000 Sony Battery for PSP* - PSP 3000 Battery
Amazon.com: Kastar 1-Pack Battery Replacement for Sony PSP-S110, PSPS110 Battery, Sony PSP 2000, PSP 2001, PSP 2002, PSP 2003, PSP 2004, PSP 2005, PSP 2006, PSP 2007, PSP 2008, PSP 2009, PSP 2010, PSP 3000 : Video Games