In a perfect world, your PSP would run on oxygen. Unfortunately, your PSP requires a battery for you to get your game on. Here at PSP Batteries, we've got what you need, and we've got them for cheap. These are the only official PSP batteries manufactured by Sony. Although there are third party manufacturers of PSP batteries, these are the only three types that come directly from Sony and therefore they are generally believed to be the safest and most reliable for use with your PSP device.