Silva Trail Runner II USB Review

Trail Runner II USB is a more powerful version of the Silva’s bestselling running headlamp with better light output and lithium-ion polymer battery. Silva are proud with their Intelligent Light technology that combines a wide angle flood light with a long reach spot light. This gives the user peripheral and long distance vision at the same time. For a runner, cross country skier, mountain biker or night orienteer this translates into less head movement, increased control, better balance and more speed.

In the package

The package doesn’t suprise with something special – a headlamp unit, a head band, a Li-Po battery with battery soft case, a micro USB cable and a quick guide.

Silva Trail Runner II USB Box


In general there are two types of headlamps – with built-in battery in front or with seperate battery at the back which connects via cable to the light unit in front. Some people prefer the first type, some – the second type because of the weight distribution, others actually don’t care.

The elastic headband of Trail Runner II USB is with anti-slip rubber on the inside which is designed to give a comfortable fit at speed activities such as running. The headband is adjustable by moving the sliding buckle.

Silva Trail Runner II USB has a IPX6 water resistance which means that it is splash proof but not water proof – “Protected against heavy seas – Water projected at all angles through a 12.5 mm nozzle at a flow rate of 100 liters/min at a pressure of 100 kN/m2 for 3 minutes from a distance of 3 meters”. The IPX7 rating is intended for immersion in water for 30 minutes at a depth of 1 meter.


Trail Runner II has only one button located on the side of the headlamp body which controls all light modes. One touch activates the headlamp in max mode (140 lumen), second touch switches to min mode with less light. Holding the button for more than one second activates the flash function, which is used to attract attention. The headlamp switches off when the button is held for a second or more.

Turn ON Blink Turn OFF

The headlamp unit can be rotated (about 100°) for use in different situations. The torch will become warm during use but it is constructed with protection case to prevent overheating of the electronics.

Trail Runner II USB has a rechargeable Li-Po 3.7V 1800mA battery which is charged by a micro USB cable. There is a cable in the package but I used older one from my smartphone without problems. Battery charging time is approximately 4 hours and a LED shows the battery status during charging:

  • Green light – battery is fully charged
  • Red light – battery is charging
  • Blinking red light – battery is not working properly

I haven’t used the headlamp for more than an hour yet, but according to Silva the battery will last up to 7 hours in max mode and 14 hours in min mode. The battery can be charged via standard USB port on computer, external battery, solar charger or wall adapter. The manufacturer offers the same model with 3 x AAA batteries (Alkaline, NiMH or Lithium batteries can be used) with burn time 30 hours (max) or 90 hours (min).

For my needs the headlamp is excellent. However, I haven’t used it at max mode for the time being. For runs in city parks with clean weather min mode is sufficient, but if snow falls 140 lumen are more than welcome.

Silva Trail Runner II USB Max Mode

Tech specs

  • Attachment: Headband
  • Beam pattern: Intelligent Light – optimized light distribution
  • Bulb type: 1x High power LED + 1x Wide angle LED
  • Battery: 1x Li-Po 3.7V, 1800mA (external battery pack)
  • Light output: 140 Lumen
  • Light distance (Max/Min): 50m / 25m
  • Burn time: Max/Min/Flash: 7 hours/ 14 hours/ 14 hours
  • Water resistance: IPX6 – Splash proof
  • Weight: 130g (incuding batteries)


The price of Silva Trail Runner II is $100 in USA and £60 in UK. The alternative model from Petzl is Tikka RXP which retails in the moment for $80 / £68. The specs include 1800 mAh Lithium-Ion battery with universal micro USB charging and more maximum brightness: 215 lumens. The company also uses Reactive Lighting technology – the light sensor automatically adjusts brightness and optimizes burn time. I have read several reviews about this technology, generally is not bad but if you are running in cold weather the sensor will be confused because the breath from the mouth.