Petzl - R2 Rechargeable Battery for Duo RL and Duo S headlamps

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Rechargeable battery for DUO RL and DUO S headlamps

High-performance rechargeable battery designed for DUO RL and DUO S headlamps. It’s durable and features quick connection to the headlamp and an energy gauge for monitoring the battery’s charge level.


  • Lithium-Ion technology offers high capacity (3200 mAh, 7.4 V, 23.68 Wh) with reduced weight and excellent performance at low temperatures
  • Energy gauge allows you to monitor battery charge level
  • Quick connection system to rapidly install or remove the battery
  • Rechargeable with the quick wall charger
  • IP67 waterproof
  • Partially compatible with the ULTRA RUSH and ULTRA VARIO headlamps: reserve lighting is not available


  • Recharge time: 4 h
  • Number of charging cycles: 300
  • Certification(s): CE, UKCA
  • Watertightness: IP67 (waterproof in up to 1 meter of fresh water for 30 minutes)
  • Weight: 168 g

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1 Review

  • 5
    Petzl-R2 rechargeable battery(bought 2) for Duo RL headlamp

    Posted by John Burke on 16th Oct 2023

    Flawless quality as usual from Petzl;I have been a Petzl user for close to 40 years from incandescent age to LED times.There is nothing on the planet that I know of that can compare to Petzl.I have 2 Duo RL's that I use for caving and it is so awesome!Thank you TEAM KARST.......STILL WAITING FOR SOME "KARST STICKERS"!!!!!!

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