The Nitecore UMS2 is a high-tech USB charger for lithium-ion batteries. Offering compatibility with a wider range of batteries, this convenient charger can be used with large-size batteries, including 20700 and 21700 cells.
High quality USB 2.0 micro USB cable, black, will work well for charging the batteries of our Klarus XT11 flashlight. It can also be used between any devices with USB 2.0 Micro input.