old PSP battery died, but I have a ton of 1S quadcopter batteries and JST connectors. : r/techsupportmacgyver
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Amazon.com: Pickle Power PSP-2000 Battery and LED Display Charger for Sony PSP 2000/3000 PSP-S110 Console PSP-3001 PSP-3002 PSP-3000 PSP-3004 PSP-2001 PSP-2002 PSP-2003 : Video Games