The Trail Runner Headlamp Battery 4.0Ah is a lightweight rechargeable battery that fits the Trail Runner series. This water-resistant battery features USB-C charging.

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


The battery meets IPX5 standard; 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.