The Xtar MC4 4-Bay Battery Charger is one of the newest additions to the Xtar charger line. Featuring four independent charging channels you can charge numerous batteries at one time. Not to mention this battery charger can power up a variety of chemistries including Li-Ion, IMR, INR, and ICR. Beyond the capability of charging multiple chemistries, this 4-bay charger can fit the most popular battery sizes such as 18650, 14500, 21700, and more. Because this charger is powered by a Micro-USB cable you can keep your batteries powered up on the go and almost never be worried about being left without power.