for PSP2000 Lithium Battery 1,for PSP2000console 2,lithium-ion battery 3,Capacity 3600mAh 4,RoHS ,CE certificate for PSP2000 Lithium Battery1,for PSP2000console 2,lithium-ion battery 3,Capacity ... compatible with Sony PSP2000 5.Compatible with psp slim6.Lithium battery 7.3.6V / 1200mAh 8.other specs: 3.6v/2400mAh, 3.6v/3600mAh for PSP2000 ...