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A: There are several possible reasons that a LED light will not switch on after it has been on for a while. Please go through the following checklist carefully:
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Are the batteries depleted? Even if the light has not been used, the batteries may be depleted over time. It is also possible that the switch was turned on accidentally when the light was stored away. Obatin a fresh set of batteries and replace with the ones in the light.
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If the batteries are fresh, check to see if the batteries are working properly.
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If your light has a tail button switch, check the integrity of the tail-cap switch to determine if it is working properly.
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If your light has a remote switch tail-cap, check the integrity of the remote switch tail-cap to determine if it is working properly.
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If you have an alternate tail-cap, switch out to rule out the possibility that the tail-cap is defective. If you are interested in purchasing additional tail-caps to expand the functionality of the light you current have, they can be purchased online.
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Have you changed the batteries recently? If so, check the battery orientation. When inserting the batteries, be sure the positive (+) terminal faces outward toward the tail-cap end. This is different than how one will insert the batteries normally. PentagonLight™ has engineered the light to accept the batteries in the reversed direction for improving its resistance against shock. Since LED has polarity setting, the light will not function if the batteries are inserted in the wrong direction.
If you are still experiencing difficulties, please contact our customer service department.
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