Samsung S8/S8 Plus Extra PowerBank Battery Charger Case 24276Model: Samsung S8 (5000mAh) / S8 Plus (5500mAh)Cell type: A grade lithium polymer batteryInput: 5V-1800mAhOutput: 5V-1800mAhCharging time: 3-4 hoursOperating temperature: 0 ℃ -45 ℃