Silva Extension Cable for Trail Runner 4 Headlamp

Silva extension cable for the Trail Runner 4 headlamp — allows remote battery pack placement for cold-weather use and extended battery life.

The Silva Extension Cable for Trail Runner 4 connects the Trail Runner 4 headlamp to a remote battery pack, allowing you to keep the battery pack in a warm inner pocket during cold-weather use. Cold temperatures significantly reduce battery performance — keeping the battery warm maintains output and extends run time in freezing conditions.

Key specs:

• SKU: SIL220
• Compatibility: Silva Trail Runner 4 headlamp
• Use: Remote battery pack placement
• Benefit: Cold-weather battery performance

Why it works:

Trail runners and ski tourers using the Trail Runner 4 in winter conditions face significant battery drain from cold temperatures. Moving the battery pack to a warm vest or jacket pocket via this extension cable maintains full battery capacity and run time — critical for pre-dawn starts and long winter efforts.

Ideal for: Trail runners, ski tourers, and winter athletes using the Silva Trail Runner 4 headlamp in cold conditions. See also the general Silva headlamp extension cable (SIL221) for other Silva models.