NL1834R 18650-Based Rechargeable Battery

part # NCNL1834R Micro-USB Rechargeable 18650 Li-Ion Battery. 3400 mAh. Can be refilled on chargers or directly via USB.  Color: Black Type NL1834R Capacity 3400mAh Voltage 3.6V USB Charging Current 800mA USB Charging Voltage 5V Weight 1.67 oz Length 2.76" Diameter .73" Integrated Micro-USB charging portInternal safety featuresCertified by International Standards  Klarus: E1, XT11X, XT11GT Pro, XT2CR 5.11: XR1, XR2 Nitecore: MT21C,P12GT, MH23, MH12GTS, MH12GT, P22R, EC23 Precautions: Never expose an 18650 battery to water or fire When charging or using batteries ensure the positive and negative ends correspond with the positive (+) and negative (-) symbols. To extend battery life it is recommended that a NL1834R is charged every three months when unused for long periods. Keep out of reach of children.