... 3.1 year warranty time For game player battery pack SP,replacement Battery,rechargeable batteryCell Type: LithiumVoltage: 3.7VCapacity: 800mAhSize: App ... extra protection.Fit game player model:nintendo Game Boy Advance SP / GBA SPCompatible battery model:SAM-SPRBPNote:12 months warranty,passed ... , SGS, ATC, REACH, ISO9001:2000 For game player battery pack SP