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Now available with new Cree XP-G3 s5 LEDs providing minimum of 172 lumen/watt @85degC 

CustomDUO modules

Duo Omni v5 

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The Omni v5 is our most advanced, and most popular, LED conversion module for the Petzl Duo. The v5 features the latest Cree XP-G3 LEDs, delivering potential light outputs of up to 620 lumen, and offers user programmable power settings. The spot and flood LEDs can be operated separately, or blended together at a range of power settings, in a sequence that best suits your individual needs. 


Generally available in choice 3 light temperatures, 5000k being the most popular choice by some distance.




Omni v5 Specification


  • 4 regulated light settings (user configurable output levels) 
  • 620 lumen max output (combined high spot 310 lumen and high flood 310 lumen)
  • Will work with any original pre 2018 Petzl Duo
  • Latest Cree XP-G3 s5 LEDs, 5000k or 4000k (172 lumen @350mA @85 degC). 3000k warm LEDs (130 lumen @350mA) also available
  • Smooth spot optic for distant focus, and optically enhanced flood LED for maximum usability
  • LEDs operated separately or blended together
  • User configurable light level combinations to best suits your requirements
  • Useful 5 lumen reserve / moon mode
  • Battery charge level indicator. Red LED will blink 1-5 times to indicate battery charge 
  • Super robust circuit architecture
  • Custom heat sink, and discreet thermal management to protect LEDs
  • Very simple push fitting directly into Duo pilot bulb connection. Fitting guide
  • No power drain on batteries when lamp is switched off
  • 6.0 volt maximum input (4x AA batteries)
  • Progressive dimming at end of battery charge (will not just shut off when batteries are flat)

For detailed information on how to operate Omni v5, configure the light settings, and module performance, see Omni v5 operation

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Factory Setting

Spot LED

Flood LED




(est. using 2500mAh

1 (fixed)



73 lumen

16 hours

2 (programmable)



172 lumen

7 hours

3 (programmable)



245 lumen

5 hours

4 (programmable)



310 lumen

3.5 hours




5 lumen

includes battery
level indicator