{"product_id":"308mm-flat-width-pvc-heat-shrink-tubing-battery-pack-wrap","title":"308mm Flat Width PVC Heat Shrink Tube for Battery Pack Wrapping — Blue \u0026 Black","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right length for my battery pack?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the total length of your battery pack and add at least 10–15% extra for overlap and heat-shrink contraction. For example, a 200mm (≈7.9\\u201d) pack typically works well with a 250mm (≈9.8\\u201d) cut length. Available in 1m, 2m, 3m, 4m, and 5m rolls so you can cut exactly what you need.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the shrink ratio of this PVC heat shrink tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"PVC heat shrink tubing generally has a 2:1 shrink ratio, meaning it shrinks to approximately half its original flat width when heat is applied. The 308mm flat width typically yields a recovered diameter suitable for large-format battery packs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can this tubing be used outdoors or in high-humidity environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"PVC heat shrink tubing provides good moisture resistance for general indoor and semi-protected outdoor use. For prolonged outdoor exposure or submersion, a polyolefin or adhesive-lined heat shrink is generally recommended for superior weatherproofing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What temperature is needed to shrink this tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"PVC heat shrink tubing typically activates at around 90–120°C (194–248°F). A heat gun on a low-to-medium setting works best. Avoid open flames, which can cause uneven shrinkage or scorching.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this tubing compatible with lithium-ion and LiFePO4 battery packs?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. This large-diameter PVC heat shrink sleeve is commonly used to wrap lithium-ion, LiFePO4, NiMH, and lead-acid battery packs. Always verify the recovered diameter fits your specific pack dimensions before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I cut and apply the heat shrink tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Cut the tubing to your desired length with scissors or a utility knife. Slide it over the battery pack, then apply even heat with a heat gun, working from the center outward to avoid air pockets. The tubing will conform tightly to the pack surface.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the voltage rating of this PVC insulation sleeve?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"PVC heat shrink tubing of this type is generally rated for low-voltage applications. Contact us to confirm the exact voltage rating for your specific application before use in high-voltage systems.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e308mm PVC Heat Shrink Tube — Reliable Battery Pack Insulation \u0026amp; Protection\u003c\/h2\u003e\n    \u003cp\u003eWrapping a large-format battery pack without the right sleeve is a frustrating guessing game — too narrow and it won't fit, too loose and it won't protect. Whether you're a DIY e-bike builder, a power tool repair technician, or an RC hobbyist assembling custom battery packs, you need a heat shrink tube that slides on cleanly and shrinks down tight every time.\u003c\/p\u003e\n    \u003cp\u003eThis listing offers PVC heat shrink tubing with a \u003cstrong\u003e308mm flat width\u003c\/strong\u003e, available in \u003cstrong\u003eBlue\u003c\/strong\u003e and \u003cstrong\u003eBlack\u003c\/strong\u003e colorways, in lengths of \u003cstrong\u003e1m (≈39.4\")\u003c\/strong\u003e, \u003cstrong\u003e2m (≈78.7\")\u003c\/strong\u003e, \u003cstrong\u003e3m (≈118.1\")\u003c\/strong\u003e, \u003cstrong\u003e4m (≈157.5\")\u003c\/strong\u003e, and \u003cstrong\u003e5m (≈196.9\")\u003c\/strong\u003e. The material is flexible PVC with a generally 2:1 shrink ratio, making it well-suited for large cylindrical or rectangular battery pack assemblies. Wall thickness and recovered diameter vary by application — see variant options for specifics.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include wrapping 18650 lithium-ion battery packs for e-bikes and scooters, insulating LiFePO4 prismatic cell assemblies, and protecting NiMH or lead-acid battery rebuilds. The color-coded options also make it easy to distinguish battery packs by voltage or chemistry in multi-pack setups — a practical touch for workshop organization.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔋\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for large-format battery packs including 18650, 21700, LiFePO4 prismatic, NiMH, and lead-acid assemblies. Verify your pack's circumference against the flat width before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These 308mm PVC Heat Shrink Battery Wrap Sleeves\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e308mm Flat Width\u003c\/strong\u003e — Sized for large-format battery packs; the generous flat width accommodates a wide range of pack diameters without stretching or tearing during installation.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔥\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLow-Temperature Activation\u003c\/strong\u003e — Shrinks at typically 90–120°C (194–248°F), so a standard heat gun is all you need — no specialized equipment required for DIY battery pack wrapping.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTwo Color Options\u003c\/strong\u003e — Blue and Black variants let you color-code battery packs by chemistry, voltage, or capacity, reducing mix-up risk in multi-pack workshop environments.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCut-to-Length Rolls\u003c\/strong\u003e — Available in 1m to 5m rolls so you can cut exactly the length needed for each pack, minimizing waste on large battery rebuild projects.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eInsulating PVC Construction\u003c\/strong\u003e — Provides electrical insulation and mechanical protection against abrasion, dust, and incidental moisture — keeping battery cell contacts covered and safe during handling.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSmooth, Uniform Shrinkage\u003c\/strong\u003e — Shrinks evenly around the pack surface when heat is applied from center outward, conforming tightly without bubbling or wrinkling for a clean, professional-looking finish.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — PVC Heat Shrink Battery Pack Sleeve\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePVC (Polyvinyl Chloride)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFlat Width\u003c\/th\u003e\n\u003ctd\u003e308mm (≈12.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShrink Ratio\u003c\/th\u003e\n\u003ctd\u003eTypically 2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eActivation Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically 90–120°C (194–248°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Colors\u003c\/th\u003e\n\u003ctd\u003eBlue, Black\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e1m (≈39.4\"), 2m (≈78.7\"), 3m (≈118.1\"), 4m (≈157.5\"), 5m (≈196.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWall Thickness (before shrink)\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecovered Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eVoltage Rating\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecommended Application\u003c\/th\u003e\n\u003ctd\u003eBattery pack wrapping, insulation sleeves, cable bundling\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication Tool\u003c\/th\u003e\n\u003ctd\u003eHeat gun (low-to-medium setting recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eBefore ordering:\u003c\/strong\u003e Measure your battery pack's circumference and compare it to the 308mm flat width. The flat width should be slightly larger than half the pack circumference for a snug fit after shrinking.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right length for my battery pack?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure the total length of your battery pack and add at least 10–15% extra for overlap and heat-shrink contraction. For example, a 200mm (≈7.9\") pack typically works well with a 250mm (≈9.8\") cut length. Available in 1m, 2m, 3m, 4m, and 5m rolls so you can cut exactly what you need.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the shrink ratio of this PVC heat shrink tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePVC heat shrink tubing generally has a \u003cstrong\u003e2:1 shrink ratio\u003c\/strong\u003e, meaning it shrinks to approximately half its original flat width when heat is applied. The 308mm flat width typically yields a recovered diameter suitable for large-format battery packs. Contact us if you need to confirm exact recovered dimensions for your application.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan this tubing be used outdoors or in high-humidity environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePVC heat shrink tubing provides good moisture resistance for general indoor and semi-protected outdoor use. For prolonged outdoor exposure or submersion, a polyolefin or adhesive-lined heat shrink is generally recommended for superior weatherproofing.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat temperature is needed to shrink this tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThis PVC tubing typically activates at around \u003cstrong\u003e90–120°C (194–248°F)\u003c\/strong\u003e. A heat gun on a low-to-medium setting works best. Avoid open flames, which can cause uneven shrinkage or scorching of the PVC material.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this tubing compatible with lithium-ion and LiFePO4 battery packs?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. This large-diameter PVC heat shrink sleeve is commonly used to wrap lithium-ion, LiFePO4, NiMH, and lead-acid battery packs. Always verify the recovered diameter fits your specific pack dimensions before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I cut and apply the heat shrink tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eCut the tubing to your desired length with scissors or a utility knife. Slide it over the battery pack, then apply even heat with a heat gun, working from the center outward to avoid air pockets. The tubing will conform tightly to the pack surface for a clean finish.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the voltage rating of this PVC insulation sleeve?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePVC heat shrink tubing of this type is generally rated for low-voltage applications. Contact us to confirm the exact voltage rating for your specific application before use in high-voltage systems.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003ecolor and length\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Blue \/ 1 Meter","offer_id":52310910402834,"sku":"GLFBFHHGLBZSJ001259x1","price":25.4,"currency_code":"USD","in_stock":true},{"title":"Black \/ 1 Meter","offer_id":52310910435602,"sku":"GLFBFHHGLBZSJ096258x1","price":25.4,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 2 Meter","offer_id":52310910468370,"sku":"GLFBFHHGLBZSJ001259x2","price":48.7,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2 Meter","offer_id":52310910501138,"sku":"GLFBFHHGLBZSJ096258x2","price":48.7,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 3 Meter","offer_id":52310910533906,"sku":"GLFBFHHGLBZSJ001259x3","price":79.46,"currency_code":"USD","in_stock":true},{"title":"Black \/ 3 Meter","offer_id":52310910566674,"sku":"GLFBFHHGLBZSJ096258x3","price":79.46,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 4 Meter","offer_id":52310910599442,"sku":"GLFBFHHGLBZSJ001259x4","price":105.2,"currency_code":"USD","in_stock":true},{"title":"Black \/ 4 Meter","offer_id":52310910632210,"sku":"GLFBFHHGLBZSJ096258x4","price":105.2,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 5 Meter","offer_id":52310910664978,"sku":"GLFBFHHGLBZSJ001259x5","price":130.93,"currency_code":"USD","in_stock":true},{"title":"Black \/ 5 Meter","offer_id":52310910697746,"sku":"GLFBFHHGLBZSJ096258x5","price":130.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_1_c49199be-0dd1-4c6a-bad5-a291fe3a6aae.jpg?v=1780648664","url":"https:\/\/homediyer.com\/de\/products\/308mm-flat-width-pvc-heat-shrink-tubing-battery-pack-wrap","provider":"HomeDIYer","version":"1.0","type":"link"}