GS188W Replacement， or an extra to keep on hand. Standard and extended battery door. Designed and developed for inserting PSP 3000 battery. Brand new battery back cover for your PSP 3000. High quality cover， durable in use. Package Details Weight: 4.28 g Size: 7*4.8*0.5 cm Package Includes 1 × Battery Back Cover Door for PSP 3000