FAQ about Flashlights

Please call customer service at 1-(888) 910-2280

Why doesn’t the flashlight power on?

  • Check the battery polarity. Batteries may have been inserted incorrectly.
  • Batteries may be dead. Replace with fresh new Duracell batteries and power on again.
  • For the best performance, use Duracell alkaline batteries.
  • The contacts may be dirty. Always keep contacts clean. Alcohol and cotton swap can
    be used to clean contacts.
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Why is the flashlight beam not shining straight?

  • Shake the flashlight to check if there are any loose parts. If the light is not in
    perfect focus or the light beam is crooked, tighten all parts of the flashlight.
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Why is the flashlight beam weak?

  • Change batteries and insert a fresh set.
  • Check that all contacts are clean.
  • If there is no improvement, a new battery holder may be required. To request a
    replacement, please call customer service at 1- (888) 910-2280.
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There is some water or vapor inside the flashlight?

  • Check that all o-rings are screwed tightly, especially the end cap.
  • Some flashlights have heads that unscrew. Please unscrew the head, clean the water
    or vapor, and screw back tightly.
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There is battery fluid leaking?

  • For best battery performance, remove the batteries from the flashlight when not in
    use.
    DO NOT clean the leaked battery fluid with bare hands – it may harmful.
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I hear a rattle within the flashlight?

  • Disassemble the flashlight to check for loose or broken parts.
  • To request a replacement, please call customer service at 1- (888) 910-2280.
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When the flashlight is turned on, it begins to flash and will
not provide a constant beam.

  • Check to see if any on the batteries are installed in a reversed position with the
    WRONG POLARITY. To ensure correct polarity, align + end of battery to positive indicator on flashlight
    or battery cartridge and – end of battery to
    negative indicator on flashlight or battery cartridge.
  • The batteries may be dead or dying. Exchange with new fresh batteries and power on
    again. For the best performance, use Duracell alkaline batteries.
  • Check battery contacts for cleanliness. Always keep contacts clean.
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What if the flashlight does not turn on at all?

  • Check to see if any on the batteries are installed in a reversed position with the
    WRONG POLARITY. To ensure correct polarity, align + end of battery to positive indicator on flashlight
    or battery cartridge and – end of battery to
    negative indicator of flashlight or battery cartridge.
  • The batteries may be dead or dying. Exchange with new fresh batteries and power on
    again. For the best performance, use Duracell alkaline batteries.
  • Check battery contacts for cleanliness. Always keep contacts clean.
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Why does my flashlight drain the batteries when not in use?

  • For best battery performance, remove the batteries from the flashlight when not in
    use.
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Why is the light dim and only strobing?

  • Check to see if any on the batteries are installed in a reversed position with the
    WRONG POLARITY. To ensure correct polarity, align + end of battery to positive indicator on flashlight
    or battery cartridge and – end of battery to
    negative indicator on flashlight or battery cartridge.
  • For best battery performance, remove the batteries from the flashlight when not in
    use.
  • The batteries may be dead or dying. Exchange with new fresh batteries and power on
    again. For the best performance, use Duracell alkaline batteries.
  • Check battery contacts for cleanliness. Always keep contacts clean.
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What if the flashlight beam appears to have a shadow in the
beam?

  • Slide the flashlight head from bottom to top position for best light beam.
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What if the flashlight’s beam intensity has decreased
significantly after a few uses?

  • Batteries may be dead or dying. Change with new fresh batteries and power on again.
  • For the best performance, use Duracell alkaline batteries.
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How do I get a replacement battery holder, lens or LED bulb
that has been damaged?

  • To request a replacement, please call customer service at 1- (888) 910-2280.
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What if my flashlight does not toggle between high beam / low
beam / strobe?

  • Unscrew the end cap of the flashlight and clean the contact points. After cleaning,
    screw the end cap on tightly.
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What if the Zoom on my flashlight will not focus from wide to
narrow beam?

  • Check if the head part is stuck. Use a little lubricating oil between the sliding
    head and body, then twist and slide the head from top to bottom several times to
    loosen it up.
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Can I use NiMH rechargeable batteries instead of alkaline
batteries?

  • Yes, use only brand name NiMH rechargeable batteries.
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Can I use lithium primary batteries instead of alkaline
batteries?

  • Yes, but only for flashlights manufactured from 2017 onwards. If there is a question
    regarding year of manufacture, please call customer service at 1- (888) 910-2280
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Are there any batteries that are not recommended for use?

  • Nickel Cadmium and Zinc Carbon are not recommended.
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What if my question is not covered in the FAQ section or if the
FAQ description does not solve my problem. Who can I contact?

  • Please call customer service at 1- (888) 910-2280
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When the light is turned on, it flashes once, then turns off?

  • Check that the batteries are placed correctly into battery holder. The polarity may be incorrect.
  • The batteries may be weak or dead. Replace with new batteries and power on again.
  • Verify that you are using the correct size of alkaline batteries.
  • The contacts may be dirty. Always keep contacts clean.
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It is difficult to insert or remove the 2500lm model’s battery cartridge?

  • When inserting the batteries, please insert them in the following order:
    In each battery cartridge channel, install the batteries starting from the point furthest away from the spring and ending with the last battery closest to the spring.
  • When removing the batteries from the channel, please follow the order below:
  • Begin by removing the battery closest to the spring and end by removing the battery furthest from the spring.
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Flashlight unexpectedly turns off after a while?

  • Screw the endcap of flashlight clockwise to ensure it is on tightly.
  • The batteries may be weak or dead. Replace with new batteries and power on again.
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Flashlight seems to be draining batteries in off position?

  • The contacts may be dirty. Always keep contacts clean.
  • Rescrew all parts tightly.
  • For best battery performance, remove the batteries from the flashlight when not in use.
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The unit is flashing when turned on?

  • The batteries may be weak or dead. Replace with new batteries and power on again.
  • Check that the batteries are placed correctly into battery holder. The polarity may be incorrect.
  • The contacts may be dirty. Always keep contacts clean.
  • Screw up all parts tightly.
  • There may be a LED problem, requiring a replacement part.
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What if the flashlight shuts off immediately after I turn it on?

  • Check to see if any of the batteries are installed in a reversed position with the WRONG POLARITY. To ensure correct polarity, align + end of battery to positive indicator on flashlight or battery cartridge and – end of battery to negative indicator on flashlight or battery cartridge.
  • For best battery performance, remove the batteries from the flashlight when not in use.
  • The batteries may be dead or dying. Exchange with new fresh batteries and power on again.
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What if the flashlight blinks and flashes and then turns itself off?

  • The batteries may be weak or dead. Replace with new batteries and power on again.
  • Check that the batteries are placed correctly into battery holder. The polarity may be incorrect.
  • The contacts may be dirty. Always keep contacts clean.
  • Screw up all parts tightly.
  • There may be a LED problem, requiring a replacement part.
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How do I get a replacement battery holder, lens, or LED bulb that has been damaged?

  • Contact customer service.
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How do I track replacement products that are sent to me?

  • Contact customer service.
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For Customer Support Please Call 888-910-2280

Duracell is a registered trademark of Duracell U.S. Operations, Inc. and Duracell Batteries BV, as applicable, in the U.S. and other countries, used under license. All rights reserved.