Shockli 18650 3100mAh Flat Top High Drain 30A 3.7V Li-ion Rechargeable Battery - 2PCS+Battery Case

Specification Name18650 Rechargeable BatteryBrandShockliCapacity3100mAhContinuous Max discharge current35A 40AInternal resistanceless than 20 mNominal voltage3 7VHead typeFlat topProtectedNoRechargeable batteryYesRechargeable timeup to 500 timesStandard charge0 3A 3A Recommend 0 5A 1 5A 4 2V 0 05VWorking voltage2 75 4 2VCharging time3 5 hours Charge current 1 0A Customer Instructions Ideal for higher power levels device and flashlight Use 2 X 18650 UP to 180W Recommend for regulated at 50W 150WImportant Note Flat top unprotected Does not make contact if flashlight that contact battery positive do not have spring or salient pointMust charge battery fully before first usePackage Included 2 X 18650 battery1 X 18650 plastic case