Brand new, high capacity quality lithium ion polymer battery pack.
Fits right in the battery slot, and you cover it with the PSP battery cover.
Voltage: 3.6V; capacity: real 1400mAh; model: PSP-S280.
Upgraded version for Sony PSP-S110 1200mAh battery pack.
Compatible with model: Sony PSP 2000 (2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010), PSP 3000 (3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3010), PSP Lite, PSP Silm.
Rechargeable and no memory effect. Never run out of battery power when you are about to score the winning point.