Want to upgrade your XR series flashlight to 18650 rechargeable power? This kit will get you there. It also functions as a powerbank, just by pairing it with at least one 18650 battery to charge your small personal electronics. Even better, this is a complete kit which includes the charger, two 18650 batteries, USB AC adapter, micro USB cable, and battery storage box. Time to save some money and hassle with the Response XR Charging Kit.