Post from Singapore.1 Year official NITECORE Warranty.HighlightsCapacity: 3,600mAhVoltage: 3.6V (12.96Wh)Continuous Discharge Current: 8ALength: 69.8mm±0.3mm / 2.75"±0.01"Diameter: 18.6mm±0.3mm / 0.73"±0.01"