{"product_id":"longer-life-battery-upgrade","title":"Longer Life Battery Upgrade","description":"\u003cp\u003eIf you have an older sled, we can exchange it for a new sled with twice the battery life.  The price includes shipping and handling.  We'll send you a return shipping label, and ask that you to send the old sled back to us.\u003c\/p\u003e\n\u003cp\u003e\"Older\" means roughly serial number 850 and earlier. But see the pictures to make sure. We don't want you to buy a big battery if you already have one!\u003c\/p\u003e","brand":"Linear Clockworks","offers":[{"title":"Default Title","offer_id":47531769069657,"sku":"Bat10k","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2619\/2473\/files\/Screenshot2026-10-22at1.45.20PM.png?v=1792691126","url":"https:\/\/linearclockworks.com\/products\/longer-life-battery-upgrade","provider":"Linear Clockworks","version":"1.0","type":"link"}