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Common Issues:

Laser does not power on:

• Make sure battery is the proper model, voltage and current rating as specified on laser purchase page. (ex. Saft brand batteries are known to be weak)

• Clean driver contact pad. (positive battery PCB connection may still have residue from factory)

• Bypass tail switch using a metal object. (jumping battery negative directly to host). If the laser powers on, the switch is faulty. Contact us for a free replacement.

• Test battery voltage with a voltmeter. (should read between 3.8v-4.2v).

• If the battery has been inserted backwards, the driver may be damaged. Send us a message for a repair.

Laser weak output:

• Make sure battery is the proper model, voltage and current rating as specified on laser purchase page. (ex. Saft brand batteries are known to be weak)

• Test battery voltage with a voltmeter (should read between 3.8v-4.2v)

• If battery is from a reputable seller, and of correct voltage/current rating and the laser is still a dim output, the laser likely requires repair.

Laser flashing:

• A flashing/blinking laser could mean a low battery voltage. Test with a new, freshly charged battery.

• A flashing/blinking laser could mean driver over-temp condition. Let the unit cool down before use.

Bad laser beam:

• REMOVE THE BATTERY BEFORE ATTEMPTING ANY ADJUSTMENT!

• Turning the lens does not change focus; remove the knurled thumb screw completely, then remove the lens. Screw both together, then reinstall lens components in reverse.

• A large circular beam; may mean the lens is simply out of focus. It can be manually adjusted by twisting the front thumb screw. Be gentle to avoid damage .

• A strange wave pattern means the acrylic lens has melted. The lens will need replacement. Avoid burning up close and always keep the lens clean. 

• A spotted laser beam; with artifacts may mean the lens is dirty or has been damaged. Clean the lens gently with a clean cotton swab and isopropyl alcohol.

• A line instead of a dot; may be normal. Some of our products use multi-mode diodes which have large "divergence" at long distances.