HDE Rechargeable Li-ion 3.6V Battery Pack Replacement for sony PSP-2000, PSP-3000 Brand new and high quality Rechargeable BATTERY PACK For SONY PSP Slim 2000/3000 High-performance Lithium rechargeable battery cell, more battery life than original PSP battery pack. Easy to use and operate Battery capacity:2400mAh/3.6V