My Laser Pointer always fails/ does not work?

For this problem, we can check two factors to fix this problem.
For the users who have the adustable laser, please make sure you have removed the little piece of insulating papaer inside.
1. Check the battery.
Please check the battery put in well not upside down.
              non-adjustable laser pointer
                  adjustable laser pointer
2. Change the battery.
If the battery is put well in place but the laser does not work, it may be low powered. So please try to change the battery.
  • The non-adjustable laser pointer's battery model: 16340/CR123A
  • The adjustable version's: ICR 14250
14250 3.6V:       

Tips: Please check the recommended replaced battery here:

Please check the recommended charger here:

If you have checked all the methods above but they don't work, please contact: