Miss all the action of your old Gameboy Advanced SP? Just because the battery has gone dead doesn't mean that the fun must come to an end! With this Replacement 700mAh Lithium Battery Pack for GameBoy Advanced SP you can get your gaming device ready for action again. This high quality replacement battery pack comes with the tool that you need for installation so all you'll need is your Gameboy once it arrives. With the Gameboy Advanced SP charger you can get the battery to maximum capacity in just 4 to 5 hours. The battery will last through 18 hours of continuous play before requiring recharging again.