- This battery is a PSP 1000 version which can be used on both PSP 1000 (fat/phat) and PSP 2000 (slim) versions. (but have to use an extra battery cover for PSP slim)   <br />- This battery is a PSP 1000 version which can be used on both PSP 1000 (fat/phat) and PSP 2000 (slim) versions. (but have to use an extra battery cover for PSP slim)                                                                                                                                Dimensions: 2.2 in x 1.46 in x 0.67 in<br />Weight: 1.13 oz