Fenix SD20 LED Diving Torch

The Fenix SD20 Diving Torch features an amazing 1000 lumens from the Cree XM-L2 U2 and XQE Red LED and can be powered by either 2 x 18650 rechargeable batteries or 4 x single use CR123A batteries.

In addition to a powerful, two-level white light, the SD20 flaunts a red light with an output of 105 lumens, making it the ideal underwater photography torch. The flashlight has a button-less design and is controlled by a rotating, magnetic ring for ease when you are underwater.

The SD20 has a battery level indicator for warning you that the power is low and needs consideration. The flashlight also comes with a strong, adaptable lanyard which can easily be found, making your diving experience safe and comfortable.

SKU: fenix sd20 Category:



Brightness Levels:
High: 1000 lumens – 3 hrs runtime
Low: 400 lumens – 7 hrs 30 mins runtime

Plus Red light (105 lumens – 8 hrs runtime).

Maximum beam distance 172 meters, waterproof to 100 meters and resistant to impacts up to 1 meter.


  • Rotate the magnetic ring to select the desired output level. From left to right, in order Battery level indicator-Red light-Off-Low-High.

Includes: lanyard, spare o-ring, conducting plate

Please Note: Batteries are not included with the torch.


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Length: 208 mm

Head Diameter: 40 mm

Body Diameter: 26 mm

Weight: 245 g (excluding batteries)

Batteries: CR123 x 4 or 18650 x 2

Lamp Type: Cree XM-L2 U2 white and XQ-E Red LEDs

Reflector: Smooth

Lens Type: Toughened ultra-clear glass lens with anti-reflective coating

Switch Type: Rotating magnetic ring

Construction: Made from durable aircraft-grade aluminum

Finish: Premium Type III hard-anodized anti-abrasive finish

Tail Stand: No

Pocket Clip: No

Waterproofing: IPX-8, 100m depth

Battery connector allows the use of two flat top batteries