For Sony PSP Slim 2000 3000 2001 Rechargeable Replacement Battery Pack 3600mAh
But the battery doors for them are different due to the different sizes of the batteries. If yours is 2400mAh or 1200mAh, this will NOT fit. Capacity: 3600mAh. Durable, portable and compact. 1/2/5/8/10x Battery (Based on your choice).