{"product_id":"ultraspire-extra-battery","title":"UltrAspire Extra Battery","description":"\u003cp\u003eThe\u003cstrong\u003e UltrAspire 21700 Battery\u003c\/strong\u003e is pairs with the Lumen 800 Solstice Waist Light to ensure you have power to run through the night.\u003c\/p\u003e\n\u003cp\u003e*This battery pairs ONLY with the Lumen 800 Solstice. For any other 3D Waist Light, please see our\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/ultraspire.com\/products\/ultraspire-18650-battery\/\"\u003eUltrAspire 18650 Battery\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e-------\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe \u003cstrong\u003eUltrAspire 18650 Battery \u003c\/strong\u003ehas 3400 MaH and is programmed for low amperage output to ensure your Lumen has the optimal power source for the best performance on the road or trail.\u003c\/span\u003e\u003c\/p\u003e","brand":"Ultraspire","offers":[{"title":"18650","offer_id":52454007636100,"sku":null,"price":14.95,"currency_code":"USD","in_stock":true},{"title":"21700","offer_id":52454007668868,"sku":null,"price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/6935\/9748\/files\/Screenshot2026-07-03at6.25.57PM.png?v=1783124787","url":"https:\/\/shop.7kft.co\/products\/ultraspire-extra-battery","provider":"7000 Feet Running Company","version":"1.0","type":"link"}