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home > 373mm Flat Width Black PVC Heat Shrink Tube for Battery Pack Wrap > 373mm Flat Width Black PVC Heat Shrink Tube for Battery Pack Wrap

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373mm Flat Width Black PVC Heat Shrink Tube for Battery Pack Wrap373mm Flat Width PVC Heat Shrink Tube Reliable Battery Pack Wrapping for DIY Builders If you've ever finished assembling a battery pack only to find it looking exposed, unprotected, or prone to short circuit risk from bare cell contacts, you know how critical a proper outer sleeve is. Whether you're a hobbyist building e bike packs, an RC enthusiast assembling LiPo modules, or a technician refurbishing power tool batteries, a well fitted heat shrink

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373mm Flat Width PVC Heat Shrink Tube — Reliable Battery Pack Wrapping for DIY Builders

If you've ever finished assembling a battery pack only to find it looking exposed, unprotected, or prone to short-circuit risk from bare cell contacts, you know how critical a proper outer sleeve is. Whether you're a hobbyist building e-bike packs, an RC enthusiast assembling LiPo modules, or a technician refurbishing power tool batteries, a well-fitted heat shrink wrap is the last line of defense between your build and the elements.

This listing offers black PVC heat shrink tubing with a 373mm flat width, available in lengths of 1 meter (≈39.4"), 2 meters (≈78.7"), 3 meters (≈118.1"), 4 meters (≈157.5"), and 5 meters (≈196.9"). The tubing is made from PVC (polyvinyl chloride), a flexible and electrically insulating material with a generally 2:1 shrink ratio. Each order ships as a single continuous length in your chosen size — no joins or splices.

Typical use cases include wrapping large-format lithium-ion or NiMH battery packs for e-bikes and electric scooters, bundling and insulating cable harnesses in automotive or marine wiring projects, and providing a clean finished appearance on DIY power storage builds. The 373mm flat width makes it well-suited for large cylindrical or rectangular battery assemblies where standard small-diameter tubing simply won't fit.

ℹ️ Sizing note: To confirm fit, measure the circumference of your battery pack. The flat width (373mm) should be approximately half the pack circumference or slightly larger for easy insertion. Contact us if you need sizing guidance before ordering.

✅ Key Features of These 373mm PVC Heat Shrink Tubes

🔋Large-Format Flat Width — 373mm flat width accommodates large battery packs and cable bundles that standard heat shrink tubing cannot cover, making it a go-to choice for e-bike battery pack wrapping.
⚡Electrical Insulation — PVC material provides solid dielectric insulation, helping prevent accidental short circuits on exposed cell contacts and terminal connections.
🎯Even Shrink Performance — Applies uniformly around the pack when heated with a heat gun, conforming closely to the shape of the assembly for a snug, professional-looking finish.
✂️Cut-to-Length Flexibility — Supplied in continuous lengths up to 5 meters, so you can cut exactly what you need for each battery pack wrap or cable insulation job without waste.
💧Moisture-Resistant Outer Layer — PVC construction offers resistance to moisture and mild chemical exposure, suitable for indoor battery storage and semi-protected environments.
🖤Clean Black Finish — The matte black color gives wrapped battery packs a tidy, finished appearance and helps conceal surface irregularities on the underlying assembly.

📐 Technical Specifications — PVC Heat Shrink Tubing

Material	PVC (Polyvinyl Chloride)
Color	Black
Flat Width	373mm (≈14.7")
Shrink Ratio	Typically 2:1
Available Lengths	1m (≈39.4"), 2m (≈78.7"), 3m (≈118.1"), 4m (≈157.5"), 5m (≈196.9")
Shrink Temperature	Typically 90–120°C (194–248°F)
Wall Thickness (before shrink)	See variant options
Recovered Inner Diameter	Contact us to confirm
Voltage Rating	Contact us to confirm
Application Method	Heat gun recommended
Suitable For	Battery pack wrapping, cable insulation, wire bundling

⚠️ Before ordering: Confirm your battery pack circumference and required length. If you need recovered diameter specs or voltage rating documentation, please contact us before purchase.

❓ Frequently Asked Questions

How do I choose the right length of heat shrink tubing for my battery pack?

Measure the total length of your battery pack or cable run, then add 10–15% extra for overlap and trimming. For example, a 900mm (≈35.4") battery pack would typically need at least 1 meter of tubing. Choose 2m or longer if you plan to wrap multiple packs or need spare material for future repairs.

What is the shrink ratio of this PVC heat shrink tubing?

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 373mm flat width typically yields a recovered diameter suitable for large cylindrical battery packs. Contact us to confirm exact recovered dimensions for your specific application.

Can this tubing be used outdoors or in high-moisture environments?

PVC heat shrink tubing provides a degree of moisture resistance and is generally suitable for indoor and semi-protected outdoor use. For fully outdoor or submersed applications, adhesive-lined polyolefin tubing is typically a better choice. Contact us to confirm suitability for your specific environment.

What tool do I use to shrink this tubing?

A heat gun is the recommended tool. PVC heat shrink tubing typically activates at around 90–120°C (194–248°F). Keep the heat gun moving evenly around the tubing to avoid scorching or uneven shrinkage. A lighter can work in a pinch but may cause discoloration or inconsistent results.

Is this tubing compatible with lithium-ion and LiPo battery packs?

Yes, this black PVC heat shrink sleeve is commonly used to wrap lithium-ion and LiPo battery packs for e-bikes, RC vehicles, power tools, and DIY energy storage builds. Always ensure the battery pack is fully assembled and cool before applying heat to avoid thermal stress on the cells.

How do I determine if 373mm flat width is the right size for my pack?

Measure the circumference of your battery pack using a flexible tape measure. The flat width of the tubing should be roughly half the circumference, or slightly larger to allow easy insertion before shrinking. For a pack with a circumference of around 700–740mm, 373mm flat width is generally a good fit. Contact us if you need help sizing before you order.

Can I cut this tubing to a custom length?

Yes. The tubing is supplied in continuous lengths (1m through 5m) and can be cut to any length with scissors or a utility knife before or after shrinking. Cut cleanly and squarely for the neatest finish on your battery pack wrap.

🛒 Select your color and length above, then add to cart — ships from our US warehouse.

373mm Flat Width Black PVC Heat Shrink Tube for Battery Pack Wrap

Name: 373mm Flat Width Black PVC Heat Shrink Tube for Battery Pack Wrap
Brand: bwoder.com
SKU: 10518806308
Price: 24.00 USD
Availability: InStock
Rating: 4.1035 (1127 reviews)