{"product_id":"silva-extension-cable-for-trail-runner-4-headlamp","title":"Silva Extension Cable for Trail Runner 4 Headlamp","description":"\u003cp\u003e\u003cem\u003eSilva extension cable for the Trail Runner 4 headlamp — allows remote battery pack placement for cold-weather use and extended battery life.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSKU: SIL220\u003c\/li\u003e\n\u003cli\u003eCompatibility: Silva Trail Runner 4 headlamp\u003c\/li\u003e\n\u003cli\u003eUse: Remote battery pack placement\u003c\/li\u003e\n\u003cli\u003eBenefit: Cold-weather battery performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy it works:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTrail 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e 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.\u003c\/p\u003e","brand":"Tangled Trails Outdoor Gear LLC","offers":[{"title":"Default Title","offer_id":48470161391859,"sku":"Sil220","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/5109\/1187\/files\/57_fe3c992d-7973-44e7-bcdc-1cd1b60e64da.jpg?v=1770150925","url":"https:\/\/www.tangledtrailsgear.com\/products\/silva-extension-cable-for-trail-runner-4-headlamp","provider":"Tangled Trails Outdoor Gear LLC","version":"1.0","type":"link"}