Lumen Tactical LLC

TM06S has a very tight thread. After you install the batteries in (two pointing up and two pointing down), slowly tighten the tail cap. The blinking blue ...

Can you please verify which type and brand of battery you are using? If easier, you can send a picture. Please follow the steps below to test the headla...

Which brand and type of battery are you using? If easier, you can send us a picture. We also recommend testing 2x CR123A batteries to eliminate that as an i...

Issue: The light cannot be turned on. OR the light flashes once then turn off. First step is to check if the buyer purchased a correct battery with the ...

Which brand and type of battery are you using? If easier, you can send us a picture.  Please try the common trouble shooting steps below: 1) For tes...

We have received your NITECORE EC11 for warranty service and we thank you for your continued use of NITECORE flashlights. We have completed testing on t...

If you have another battery that uses 18650 battery, you can test the battery in that light. Otherwise please follow the steps below to charge the battery i...

Please follow the steps below to charge the battery 1. Make sure the pocket clip is in the correct slot and both the head and the tail cap are fully tigh...

Sorry about the inconvenience. We will definitely get it resolved as fast as possible. There are quite a few possible causes. Most can be resolved with a si...

Can you test it with the steps below? 1) Turn off the light 2) loosen the head of the light for 3/4 turn 3) Tighten the head while holding down the pa...