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Fenix SD20 Diving Light

Max Lumens: 1000
Modes: 3
(2 customer reviews)

$144.00 $109.95

SKU: SD20L2BK Categories: , , ,

Fenix SD20 diving light is specifically designed with the diver in mind. A maximum 1000 lumens, 564ft (172m) of beam distance, and waterproof up to 100 meters, allows you to explore the depths with confidence and safety. Easily choose between the different modes with one hand via the rotating magnetic ring on the head of the flashlight. Always know your flashlight’s remaining battery life with the built-in indicator and never lose your light with the bigger button hook and premium included lanyard.

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Max Lumens: 1000
Modes: 3

Description

fenix sd20 flashlight specs

Flashlight Size:
Length: 8.2” (208mm)
Diameter: 1.0” (26mm)
Head: 1.6” (40mm)

Flashlight Weight: 8.6 oz. (245g) excluding batteries

Batteries: Two 18650 rechargeable Li-ion batteries or four CR123A Lithium batteries

Included: Lanyard, spare O-ring, conducting plate* (*Taken between the batteries with flat top.)

Warranty: Limited Lifetime Guarantee from Fenix Lighting US

  • Uses Cree XM-L2 U2 and Cree XQE Red LED with a lifespan of 50,000 hours
  • Rotating magnetic ring for one-hand control
  • Double-layer body tube guards against corrosion
  • Integrated white and red light illumination
  • Digitally regulated output maintains constant output
  • Intelligent over-heat protection to avoid high temperature of the surface
  • Low-voltage warning reminds when battery replacement is needed
  • Reverse polarity protection, to protect from improper battery installation
  • Tail cap with big buckle for fast and convenient quick draw
  • Made of durable aircraft-grade aluminum
  • Premium type III hard-anodized anti-abrasive finish
  • Toughened ultra-clear glass lens with anti-reflective coating

Operation Instruction

Rotate the magnetic ring to select the wanted output level.

From left to right, there are five output levels: Battery level, Red light, Off, Low and High.

 

Battery Level Indicator

When rotating the magnetic ring to the battery level output, there are three states: red light constant-on displays sufficient power level, red light slow flash displays poor battery level, red light quick flash displays critical battery level.

 

Low-voltage Protection

  1. When the light works at High output, if the detected voltage is lower than the preset voltage of 6.2V, the output will automatically downshift to 400 Lumens.
  2. When the light works at High or Low output, if the detected voltage is lower than the preset voltage of 6.0V, the output will automatically downshift to 100 Lumens.
  3. When the light works at the Red light mode, if the detected voltage is lower than the preset voltage of 6.0V, the output will automatically downshift to 25 Lumens.

 

Intelligent Over-heat Protection

The light will accumulate a lot of heat when it is working at High output. When the light is overheated internally up to 65 ℃ or above, the flashlight will automatically adjust the output to prevent the light from overheating.

 

Battery Replacement

Unscrew the tail cap to insert the battery with the anode side (+) towards the light head, and then screw the tail cap.

 

Usage and Maintenance

  • Disassembling the sealed head can cause damage to the light and will void the warranty.
  • Fenix recommends using excellent quality batteries. If the lamp will not be used for an extended period, remove the battery, or the lamp could be damaged by electrolyte leakage or battery explosion.
  • Long-term use can result in O-ring wear. To maintain a proper water seal, replace the ring with an approved spare.
  • Periodic cleaning of the battery contacts improves the lamp’s performance as dirty contacts may cause the lamp to flicker, shine intermittently or even fail to illuminate for the following reasons:

Reason A: The batteries need replacing.
Solution: Replace batteries (Please confirm the correct installation of anode and cathode).

Reason B: The threads, PCB board contact or other contacts are dirty.
Solution: Clean the contact points with a cotton swab soaked in rubbing alcohol.

If the above methods don’t work, please refer to the warranty policy before contacting your authorized distributor.

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What Our Ambassadors Say

Cody F

Fenix SD20 Diving Light Review

Cody F.
Scuba Diving Ambassador, Cody F., Reviews SD20 Dive Light The SD20 dive light is my favorite flashlight because its waterproof up to 100 meters and is very bright. I have gone on over six-night diving trips and never had trouble with the SD20. It’s very dependable, never leaks, running time is amazing (3hrs max 1000…

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