insten rechargeable replacement battery 1200mah 3.6v compatible with sony psp 3000 / psp slim 2000, include model psp-2001, psp-3000, psp-3001, psp-3002, psp-3004 insten note: not compatible with psp 1000. never run out of battery power when you are about to score the winning point. save money and protect the environment by using the rechargeable battery. battery need to be charged before first use. voltage: 3.6v. accessory only. device is not included.