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FAQs

FLASHLIGHTS

LED

My LED flashlight does not turn on — what's wrong?

  • First install fresh batteries, positive-end forward. 95% of non-working SureFire flashlights are due to dead or reversed batteries.
  • If the flashlight does not turn on with fresh batteries installed, perform the "paper clip test" as follows:
    1. With the new batteries still in the light, unscrew and remove the tailcap.
    2. Using a metal object such as a paper clip or key, simultaneously touch the flat center of the exposed battery terminal and the rear metal rim of the flashlight; the flashlight should turn on.
  • If the flashlight does not turn on using the paper clip test with fresh batteries installed, the problem may be dirty or greasy tailcap threads. Refer to the question below, "What parts of my flashlight need to be maintained?", paying attention to the information on cleaning.
  • If the flashlight does not turn on after cleaning the threads, it may be the tailcap switch, although failures of our simple "tactical" switches are extremely rare. At this point, please call SureFire at 1-800-828-8809 and ask for Customer Service.

My LED flashlight flickers when I turn it on — what's wrong?

  • This is almost always caused by the batteries being nearly depleted. Replace the batteries.

My dual-output flashlight only works at the low-output setting — what's wrong?

  • By design,when the batteries are nearly depleted only the low-output setting works. This serves as a warning while still leaving you with usable light. Replace the batteries.

I can't remove the head of my flashlight — what's wrong?

  • The heads of some SureFire flashlights and WeaponLights are fixed in place and are not meant to be removed. If the head of your illumination tool cannot be unscrewed with moderate hands-only effort, then it is not meant to be removed.
  • Removing or attempting to remove a fixed illumination tool head will VOID YOUR WARRANTY. If you have any questions about your illumination tool, call SureFire Customer Support at 1-800-828-8809.

What parts of my flashlight need to be maintained?

  • Clean threads of tailcap and head using cloth, paper towel, or similar absorbent material.
  • Clean flat surface at end of threaded section and corresponding area inside the tailcap to ensure positive electrical contact between tailcap, head, and body.
  • Remove dirt or debris from O-rings and use a cotton swab or similar to lightly coat them with silicon grease, such as Nyogel or SCUBA equipment grease.
  • NOTE: Grease only the O-rings, not the threads. Do not use spray lubricants. Do not use petroleum-based lubricants. Do not use acidic, alkaline, or petroleum solvents to clean any part of your light.

How do I lock out my flashlight's tailcap switch?

  • First make sure your flashlight is functioning. Then unscrew the tailcap until the light will not turn on when you press the tailcap switch, or when you wiggle the tailcap from side to side.

    If the flashlight does not turn on, the tailcap switch is locked out. You may wish to unscrew the tailcap another ¾ turn to be absolutely certain it's locked out. If your tailcap has a small "scoop" mark in the rim, use this for future reference to determine how much the tailcap should be unscrewed to lock out the switch.
  • NOTE: After locking out your flashlight, always push the tailcap switch to make sure it is truly locked out.

If my light did not come with a pocket clip, can I buy one and install it?

  • No. Pocket clips will only fit flashlight models that originally come with them since they require a special slot for attachment. However, a lanyard kit is available for most models.

How do I remove muzzle gas deposits on the window or lens?

  • Remove the deposits using a clean, dry pencil eraser, rubbing in a circular motion.

How do I get the batteries out of my Executive Series or my E1B or my EB1 flashlight?

  • Remove the head of the flashlight to access and replace the batteries.

Incandescent

My flashlight does not turn on — what's wrong?

  • First install fresh batteries, positive-end forward. 95% of non-working SureFire flashlights are due to dead or reversed batteries.
  • If the flashlight still does not turn on with fresh batteries installed, perform the "paper clip test" as follows:
    1. With the new batteries still in the light, unscrew and remove the tailcap.
    2. Using a metal object such as a paper clip or key, simultaneously touch the flat center of the exposed battery terminal and the rear metal rim of the flashlight.; the flashlight should turn on.
  • If the flashlight does not turn on using the paper clip test with fresh batteries installed, replace the lamp and perform the paper clip test again. If the flashlight turns on, the problem was the lamp assembly. If it does NOT turn on, the problem may be dirty or greasy tailcap threads. Refer to the question below, "What parts of my flashlight need to be maintained?", paying attention to the information on cleaning.
  • If the light does not turn on after cleaning the threads, it may be the tailcap switch, although failures of our simple "tactical" switches are extremely rare. At this point, please call SureFire at 1-800-828-8809 and ask for Customer Service.

What parts of my flashlight need to be maintained?

  • Clean threads of tailcap and head using cloth, paper towel, or similar absorbent material.
  • Clean flat surface at end of threaded section and corresponding area inside the tailcap to ensure positive electrical contact between tailcap, head, and body.
  • Remove dirt or debris from O-rings and use a cotton swab or similar to lightly coat them with silicon grease, such as Nyogel or SCUBA equipment grease.
  • NOTE: Grease only the O-rings, not the threads. Do not use spray lubricants. Do not use petroleum-based lubricants. Do not use acidic, alkaline, or petroleum solvents to clean any part of your light.

How do I change the lamp in my flashlight?

  • Models with unitized LED heads —
    The LED cannot be changed.
  • Most other models —
    1. Remove the flashlight head by rotating it counterclockwise
    2. Remove lamp/reflector assembly and replace it with a recommended assembly.
  • 9AN Model —
    1. Remove the flashlight head by rotating it counterclockwise.
    2. Remove the nylon screw that secures the lamp assembly to the head.
    3. Replace the inoperative N90 lamp assembly with a new one.
    4. Secure the lamp assembly to the head with the nylon screw.
    5. Attach the head to the flashlight body.
  • 10X Model —
    1. Remove the flashlight head by rotating it counterclockwise.
    2. Use a 5/32" hex wrench (included with 10X), to remove the screw in the center of the spring at the base of the head.
    3. Carefully separate the reflector from the head.
    4. Replace the inoperative lamp with a new one.
    5. Replace the reflector in the head and replace the Allen screw.
    6. Attach the head to the flashlight body.
  • NOTE – For all models, avoid touching glass bulb. Oil from your hand will degrade the surface and affect the performance of your flashlight.

Which lamp does my flashlight use?

  • Refer to the User Manual that came with your flashlight, or...
  • Call SureFire at 1-800-828-8809 and ask for Customer Service.

Can I remove just the lamp (bulb) from my P60, P61, P90, P91 or X80 lamp assembly?

  • No. These assemblies are integral units.

How long will my flashlight's incandescent lamp (bulb) last?

  • Your lamp should run for approximately 30 hours before it burns out. The lifespan will vary somewhat.

Is there a spare bulb compartment in my flashlight?

  • No. But you can buy SureFire Spares Carriers, which hold one spare bulb and either four or six batteries, depending on the Spares Carrier model. Be sure to read the product descriptions and get the right one for your lamp assembly.

How do I lock out my flashlight's tailcap switch?

  • First make sure your flashlight is functioning. Then unscrew the tailcap until the light will not turn on when you press the tailcap switch, or when you wiggle the tailcap from side to side.

    If the flashlight does not turn on, the tailcap switch is locked out. You may wish to unscrew the tailcap another ¾ turn to be absolutely certain it's locked out. If your tailcap has a small "scoop" mark in the rim, use this for future reference to determine how much the tailcap should be unscrewed to lock out the switch.
  • NOTE: After locking out your flashlight, always push the tailcap switch to make sure it is truly locked out.

If my light did not come with a pocket clip, can I buy one and install it?

  • No. Pocket clips will only fit flashlight models that originally come with them since they require a special slot for attachment. However, a lanyard kit is available for most models.

My A2 Aviator's small LEDs light up but the main incandescent lamp does not — what's wrong?

  • Either your batteries are too depleted or your main lamp assembly has failed. The main lamp on the A2 Aviator draws significantly more power than the LEDs. By design, when the batteries are nearly depleted only the LEDs function. This serves as a warning while still providing usable light from the LEDs. To fix the problem, first try installing fresh batteries. If this doesn't fix the problem, replace your main lamp assembly (model number MA02).

How do I get the batteries out of my Executive Series, Outdoorsman, or Backup flashlight?

  • Remove the head of the flashlight to access and replace the batteries.

HEADLAMPS

My headlamp does not turn on — what's wrong?

  • First install fresh batteries, positive-end forward. 95% of non-working SureFire lights are due to dead or reversed batteries.
  • If the headlamp does not work with new batteries, perform the "paper clip test" as follows:
    1. With the fresh batteries installed, unscrew and remove the battery compartment cap.
    2. Using a metal object such as a paper clip or key, simultaneously touch the flat center of the exposed battery terminal and the rear metal rim of the battery compartment. NOTE: The headlamp's output control knob must be turned to any ON position for the test to work.
  • If the headlamp still does not turn on using the paper clip test with fresh batteries installed, the problem may be dirty or greasy battery compartment and cap threads. Refer to the question below, "What parts of my headlamp need to be maintained?", paying attention to the information on cleaning.
  • If the headlamp does not turn on after cleaning the threads, it may be the switch, although failures are extremely rare. At this point, please call SureFire at 1-800-828-8809 and ask for Customer Service.

My headlamp blinks, or flickers, or runs only in the low-output mode — what's wrong?

  • By design,when the batteries are nearly depleted the headlamp will blink or flicker and the headlamp will only run at the low-output level. This serves as a warning while still leaving you with usable light. Replace the batteries.

What parts of my headlamp need to be maintained?

  • Clean threads of battery compartment and cap using cloth, paper towel, or similar absorbent material.
  • Clean flat surface at end of battery compartment threaded section and corresponding area inside the cap to ensure positive electrical contact between tailcap, head, and body.
  • Remove dirt or debris from O-rings and use a cotton swab or similar to lightly coat them with silicon grease, such as Nyogel or SCUBA equipment grease.
  • NOTE: Grease only the O-rings, not the threads. Do not use spray lubricants. Do not use petroleum-based lubricants. Do not use acidic, alkaline, or petroleum solvents to clean any part of your light.

WEAPONLIGHTS

LED

My WeaponLight does not turn on — what's wrong?

  • First install fresh batteries, positive-end forward. 95% of non-working SureFire illumination tools are due to dead or reversed batteries.
  • If the WeaponLight still does not turn on with fresh batteries installed, the problem may be dirty or greasy battery compartment threads. Refer to the question below, "What parts of my WeaponLight need to be maintained?", paying attention to the information on cleaning.
  • If the WeaponLight does not turn on after cleaning the threads, it may be the switch, although failures are extremely rare. At this point, please call SureFire at 1-800-828-8809 and ask for Customer Service.

What parts of my WeaponLight need to be maintained?

  • Clean mating threads of battery compartment, including flat sections at end, using cloth, paper towel, or similar absorbent material.
  • Remove dirt or debris from O-rings and use a cotton swab or similar to lightly coat them with silicon grease, such as Nyogel or SCUBA equipment grease.
  • NOTE: Grease only the O-rings, not the threads. Do not use spray lubricants. Do not use petroleum-based lubricants. Do not use acidic, alkaline, or petroleum solvents to clean any part of your light.

How do I remove gunfire residue from my WeaponLight's window?

  • Remove the deposits using a clean, dry pencil eraser, rubbing in a circular motion.

Incandescent

My WeaponLight does not turn on — what's wrong?

  • First install fresh batteries, positive-end forward. 95% of non-working SureFire lights are due to dead or reversed batteries.
  • If the WeaponLight does not work with new batteries, the problem may be dirty or greasy battery compartment and cap threads. Refer to the question below, "What parts of my WeaponLight need to be maintained?", paying attention to the information on cleaning.
  • If the headlamp does not turn on after cleaning the threads, it may be the switch, although failures are extremely rare. At this point, please call SureFire at 1-800-828-8809 and ask for Customer Service.

What parts of my WeaponLight need to be maintained?

  • Clean mating threads of battery compartment, including flat sections at end, using cloth, paper towel, or similar absorbent material.
  • Remove dirt or debris from O-rings and use a cotton swab or similar to lightly coat them with silicon grease, such as Nyogel or SCUBA equipment grease.
  • NOTE: Grease only the O-rings, not the threads. Do not use spray lubricants. Do not use petroleum-based lubricants. Do not use acidic, alkaline, or petroleum solvents to clean any part of your light.

Which lamp does my WeaponLight use?

  • Refer to the User Manual that came with your WeaponLight, or...
  • Call SureFire at 1-800-828-8809 and ask for Customer Service.

Can I remove just the lamp (bulb) from my P60, P61, P90, or P91 lamp assembly?

  • No. These assemblies are integral units.

How long will my WeaponLight's incandescent lamp (bulb) last?

  • Your lamp should run for approximately 30 hours before it burns out. The lifespan will vary somewhat.

Is there a spare bulb compartment in my WeaponLight?

  • No. But you can buy SureFire Spares Carriers, which hold one spare bulb and either four or six batteries, depending on the Spares Carrier model. Be sure to read the product descriptions and get the right one for your lamp assembly.

How do I remove gunfire residue from my WeaponLight's window?

  • Remove the deposits using a clean, dry pencil eraser, rubbing in a circular motion.

BATTERIES

Disposable  123A

Are disposable 123A batteries rechargeable?

  • No! Do not try to recharge them, as this can be dangerous.

Aren't all disposable 123A batteries the same?

  • No! Many counterfeit or inferior lithium batteries don't have the power output characteristics or built-in fault (short-circuit) protection that SureFire batteries have. This can cause poor performance or even be dangerous to you and your SureFire illumination tools.
  • Customers should never:
         -- Use non-U.S.A. made batteries.
         -- Mix old and new batteries.
         -- Mix different brands of batteries.
         -- Purchase and use disposable batteries marked "PRC" or "Made in China".

If I use non-SureFire brand batteries will my warranty be voided?

  • Using genuine Panasonic®, Duracell® or Energizer® batteries will not void your warranty, but using any other non-SureFire brand will void it.

How can I be certain that my SureFire battery is not counterfeit?

  • Buy SureFire brand batteries from www.surefire.com, or from an authorized SureFire dealer.

How do I get the batteries out of my Executive Series or my E1B or my EB1 flashlight?

  • Remove the head of the flashlight to access and replace the batteries.

Rechargeable   LFP  123A

Is the power output of rechargeable LFP123A batteries the same as disposable 123A batteries?

  • The discharge power is very similar, which means that your illumination tool will have similar lumen output. However, rechargeable batteries will be depleted in about half the time of the disposable batteries.

What is the shelf life of rechargeable LFP 123A batteries?

  • Shelf life is several years when the batteries are stored away from high temperature conditions, but they should be recharged after 2 years of sitting idle.

Can rechargeable LFP 123A batteries be used in SureFire rechargeable flashlights?

  • Yes. They must be inserted into an included battery magazine, which is then inserted into the flashlight.

Can I put a rechargeable LFP 123A battery and a disposable 123A battery together into an illumination tool?

  • No.

Can I put a charged LFP 123A battery and a depleted LFP 123A battery together into an illumination tool?

  • Avoid doing this. There is no safety hazard, but it is possible that the charged cell could damage the discharged cell. We recommend fully charging all cells before placing them into an illumination tool.

Can I put an old rechargeable LFP 123A battery and new rechargeble LFP 123A battery together into an illumination tool?

  • Yes. However, the runtime of your illumination tool may be reduced.

Can rechargeable LFP 123A batteries be used in incandescent (non-LED) illumination tools?

  • We do not recommend it because the slightly higher initial voltage of charged LFP 123A batteries may burn out lamp filaments. Use our rechargeable batteries only with LED illumination tools that also use disposable 123A batteries.

If rechargeable or disposable batteries are in my "dual-fuel" rechargeable SureFire flashlight and then I plug the flashlight into the charger, what will happen?

  • Nothing. The battery magazine is designed so that it does not allow an electrical connection with the charger when the latter is plugged into the flashlight.

What do the colors on my SureFire battery charger mean?

  • The light is red when the battery (or batteries) is taking a charge. It turns green when the charging process is complete.