Headlamp Battery - Trail Runner 4.0Ah



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The Trail Runner Headlamp Battery 4.0Ah is a lightweight rechargeable battery that fits the Trail Runner series. This water-resistant battery pack features USB-C charging and can be attached to a bike frame, handlebar or similar with the Battery Velcro Strap.

The battery meets IPX5 standard: Water resistant; withstands heavy rain and water from any direction. The LED battery indicator ensures that you can keep track of how much power that remains in the battery. The battery indication will be displayed for 30 seconds after you turn on the headlamp. The battery is easily charged via a USB-C cable and has a charging time of 3 hours.

Round connection plug
Trail Runner Headlamp Battery 4.0Ah features the round connection plug used in the Trail Runner series. You can use this battery along with all Silva headlamps that features the round connector since 2008.


  • 4.0Ah compact long-distance battery.
  • Weight: 102g
  • Fits the Trail Runner series.
  • Silva round connection, enables use of any Silva headlamp with the round connector post 2008.
  • 4-step battery indication.
  • Compatible with Velcro Strap and Trail Runner Extension Cable
  • Water resistant, meets the IPX5 requirements.

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