1. Batteries

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Are the batteries charged?

• Pollux, Hydra, Hawksbill, and Mydas: 18650 lithium
• Diamondback: 14500 lithium OR AA alkaline
• Loggerhead: C alkaline
• Castor: Internal battery

Solution: Try removing and reinserting, replacing, or fully charging the batteries.

 

2. Locked Out

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Is the flashlight locked?

• Smart Lock Features:
• Castor and Hydra: These lights have smart lock features.
• Indication: If locked, the flashlight will blink twice (Castor) or 3 times (Hydra) when clicked.
• Solution: To unlock the Castor, simply double-click the power button again. To unlock the Hydra, just hold the button for a few seconds until the light flashes red then stays red.

 

3. Tightening Switch / Barrel

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Is everything screwed on and fastened tight?

Solution: Ensure there is a secure and complete connection between all parts by tightening the switch and barrel.

 

4. Battery Stopper

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Has the battery stopper been removed?

Solution: Many products come with a built-in battery stopper that must be removed before the light will turn on. Open the flashlight and remove this piece.