Max Power! 4000mAh Ultra High Capacity Ideal for Various Flashlights 600+ Charge Cycles 10A Continuous High Power Leading Technology for Top Safety Model18650 4000mAhNominal Capacity4000mAhNominal Voltage3.6VContinuous Discharge Rating(Max.)10AProtectedYesPositive TerminalButton TopCycles600+Storage Temp.-20~40℃(Best≤25℃)Dimensions(mm)φ18.4±0.3 x H69.2±0.5mmNet Weight≤50gCertificationsRoHS, CE XTAR 18650 4000mAh Battery Capacity Test Credit@STARfishdiy XTAR 18650 4000mAh Battery Capacity Comparison Test Download Data Sheet Buying channel Be a Distributor