Nitecore F2 Dual Slots Portable Flexible Power Bank Outdoor Li-ion/IMR Battery Charger

Specification Product name Nitecore F2 Dual Slots Power Bank ChargerInput DC 5V 0 5A USB compatible Output voltage 4 2V1 Battery 5V5 USB Output current USB 2A MAX Battery 21A MAXCompatible with Li ion IMR 26650 18650 17670 18490 17500 17335 16340 RCR123 14500 10440Dimensions 3 7 1 73 0 98 94mm44mm25mm Weight 1 64oz 46 5g without power cord or batteries Features Compatible with cylindrical rechargeable Li ion batteries of various sizesIntelligent USB charging and regulation control circuitBattery charging and discharging capabilityUniversal micro USB 3 0 input port accelerated charging rate up to 1A each bayUSB output up to 2ACharge two batteries simultaneously and independentlyBuilt in power indicators display battery statusAutomatic power detection and voltage reporting upon battery installationOptimized IMR battery chargingAutomatic identification for batteries of different types and proceed with appropriatecharging current and modeReverse polarity protection and anti short circuit protectionMade from fire retardant PC materialsOptimal heat dissipation designPackage included 1 x Nitecore F2 Dual Slots Power Bank Charger1 x 2 x Rubber band1 x USB Cable