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  • Picture of D20 2.0 Dive Flashlight
  • Picture of D20 2.0 Dive Flashlight
  • Picture of D20 2.0 Dive Flashlight
  • Picture of D20 2.0 Dive Flashlight
  • Picture of D20 2.0 Dive Flashlight
Picture of D20 2.0 Dive Flashlight
Picture of D20 2.0 Dive Flashlight
Picture of D20 2.0 Dive Flashlight
Picture of D20 2.0 Dive Flashlight
Picture of D20 2.0 Dive Flashlight
Product tags
#Diving Light (2) #21700 battery flashlight (27)

D20 2.0 Dive Flashlight

$129.90

An upgraded version of D20, D20 2.0 is a powerful, high-quality professional diving light designed for underwater lighting. It can reach an underwater depth of 200 meters, allowing you to explore the deep space under the sea with ease. Utilizing a powerful and efficient Luminus SFT40 LED with excellent darkness penetration capabilities, it provides a maximum brightness of 2200 lumens and a light throw of up to 500 meters. Powered by a single 21700 rechargeable lithium-ion battery, it can provide 5.5 hours of ultra-long continuous lighting. With a beam angle of 9°, this light effectively allows you to focus the beam to explore undersea environments such as caves and shipwrecks with ease, and can also illuminate colorful marine life from a long distance. The body is made of high-strength aerospace-grade aluminum, and its surface is treated with diamond-grade anti-corrosion oxidation to form a solid protective layer that can effectively resist seawater corrosion.

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DETAILS

  • Utilizing Luminus SFT40
  • 9° beam angle, provides an intense focused lighting
  • Professional pressure-resistant and waterproof structure design, diving depth underwater 200 meters
  • SUS316 side switch has better corrosion resistance and is more suitable for deep sea diving environment
  • Ultra-clear tempered glass lens with anti-reflective coating, light transmittance reaches 98.3%
  • Battery indicator light, which shows the remaining battery power
  • Coated with tempered glass on both sides, can withstand deep water and high water pressure
  • The surface forms a diamond-like high-strength protective film to resist seawater corrosion
  • High strength and impact-resistant HAIII hard-anodized anti-abrasive and corrosion-resistant finish
  • All metal body (AL6061-T6 high-quality aluminum alloy) can withstand 1.5-meter drop test
  • IP68 Dust-proof and Waterproof Rating
  • Included: 1 x ACEBEAM 21700 USB-C rechargeable battery

SIZE

  • Length: 136mm/ 5.35 inches
  • Head dia.: 34mm/1.33 inches
  • Tube dia.: 27mm/1.06 inches
  • Weight: 128g/ 4.51oz (w/o battery)

OUTPUTS

  • 1 x Luminus SFT-40 LED 6500K

Low: 530 lumens; 14280cd; 239 meters; 5 hours 30 minutes
High: 2200~1000 lumens; 62500cd; 500 meters; 60 seconds + 2 hour 15 minutes
SOS: 1200 lumens; 30800cd; 351 meters; 4 hours 30 minutes

Max. output: 2200 lumens 
Max. beam distance: 500 meters
Max. runtime: 5 hours 30 minutes on 530 lumens
Peak beam intensity: 62500cd

  • 1 x Luminus SFT-40 LED 5000K

Low: 500 lumens; 13225cd; 230 meters; 5 hours  30 minutes
High: 1800~ 900 lumens; 48180cd; 439 meters; 60 seconds + 2 hour 15 minutes
SOS: 1050 lumens; 28561cd; 338 meters; 4 hours 30 minutes

Max. output: 1800 lumens 
Max. beam distance: 439 meters
Max. runtime: 5 hours 30 minutes on 500 lumens
Peak beam intensity: 48180cd

What kind of LEDs is used in D20 2.0? Does ACEBEAM offer LED replacement service?
A: It utilizes one Luminus SFT40.

ACEBEAM does not offer LED replacement service currently, and please do not replace the LEDs privately, as doing so may affect product performance or cause damage to the product.

May I have an overview of D20 2.0?


How to get started?

What kind of battery can be used in D20 2.0 and how to install?
A: It is recommended to use an ACEBEAM 21700 USB-C rechargeable Li-ion battery (included).

Note: 
While installing the battery,
make sure the battery is inserted
with the positive (+) end pointing
to the head of the flashlight.

What does the light color mean of charging indicator?
A: Yes.

How to operate?

- ON/OFF: press and hold for > 0.5s
- Output selection: with the flashlight is ON, click the switch to cycle through Low-High-SOS-Low, and release the switch to select the mode.
- Lock: when the flashlight is OFF, press and hold the switch for 3s.
- Unlock: when the flashlight is locked, press and hold the switch for 3s.

Is it waterproof?
A: Yes, it is IP68 rated. Tough enough to support you in every moment.

Existing reviews
Stunning
I have the black Acebeam D20 v2 and love it for its compact power and waterproof reliability. Planning to grab the purple one for my girlfriend soon, those gorgeous color options like black and pink/purple really make D20 stand out with beautiful finishes. The sleek anodized colors give each light its own personality while keeping that pro dive torch toughness. Purple and pink would be perfect match for her gear, looks stunning and unique
[hide member info] | 1/10/2026 2:40 PM
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Also for hunting purposes
Even though the D20 is designed as a dive flashlight, we tested it at a hunting convention and it proved to be excellent far beyond underwater use. It was shown as a perfect light for heavy rain and harsh weather, the kind you can rely on all night long. It’s extremely tough, built to handle anything you throw at it, and the bright colors are a big plus, you can always find it in the dark, even at night or in bad conditions.
[hide member info] | 12/16/2025 4:08 PM
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A Dive Light also used out of the water
Ok let’s be honest, the lamp can be taken up to 200 meters deep, that’s not going to happened from my use. It is compact but yet easy usable with dive gloves one. Rechargeables battery allow me to quickly switch it when one is empty between dive and to recharge with USB while I swim with the fishies. Website said 5.5h of light with one battery, that’s a long dive ! Did 4.5 hours combo without before recharging it without any problem.
[hide member info] | 9/11/2024 11:59 AM
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