Weltool UB18-26 2600mAh USB Rechargeable 18650 Battery For LED Flashlight

Specification ModelUB18 26Capacity2600mAhInternal resistance≤50mΩVoltage3 6VDischarge current5A MAX Charging current0 8A Mirco USB interface charging current 1A charger charging current Overcharge protection voltage4 3 ± 0 05VOver discharge protection voltage2 75 ± 0 1VCycle charge and discharge timesAfter 300 times the battery still has 80 capacityCharging indicatorRed light charging blue light charging completed Charging temperature0 45 ℃Discharge temperature 20 60 ℃Size 18 6 ± 0 2mm diameter 70 ± 0 2mm length Weight 48 4 ± 0 2g  Features  Weltool UB18 26 uses a built in protection circuit in the battery positive technology USB charging interface you can connect the USB charging cable to connect 5V Low internal resistance high capacity large discharge current The battery cell has triple overheating protection pressure safety protection separator micropore protection and PTC cathode blocking protection   Package included  1 x 18650 battery