188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear
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188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear

188mm Flat Width PVC Heat Shrink Tubing for Battery Packs — Black, Blue & Clear

HomeDIYer
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By HomeDIYer®

Price:
$13.25 USD
Stock:
In stock (500 units), ready to be shipped

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Description

188mm PVC Heat Shrink Tubing — Reliable Battery Pack Insulation for DIY Builders

If you've ever had a battery pack shift, short, or look unprofessional because of loose wrapping or exposed cells, you know how frustrating it is to find the right sleeve. DIY battery builders, e-bike enthusiasts, RC hobbyists, and solar storage assemblers all need a tubing solution that fits large-format cell packs cleanly and shrinks down without tearing or bubbling. This 188mm flat width PVC heat shrink tubing is sized specifically for large battery packs and multi-cell assemblies where standard small-diameter tubing simply won't reach.

Each order includes a continuous length of PVC heat shrink tubing in your chosen color (Black, Blue, or Transparent) and length (1 Meter / 2 Meter / 3 Meter / 5 Meter / 8 Meter / 10 Meter), so you can cut exactly what you need with no waste. The flat width is 188mm (≈7.4"), corresponding to an expanded inner diameter of approximately 120mm (≈4.7"). The PVC material is flexible before shrinking, making it easy to slide over assembled packs, and conforms tightly once heat is applied.

Typical use cases include wrapping 18650 and 21700 lithium-ion battery packs for e-bikes and power tools, sleeving LiFePO4 prismatic cell stacks for solar energy storage, and re-wrapping or refurbishing used battery modules for DIY power walls. The large diameter also makes it suitable as protective sleeving for wire harnesses and cable bundles in automotive and marine applications.

🔋 Compatibility: Fits battery packs and cell assemblies with an outer diameter up to approximately 120mm (≈4.7"). Suitable for 18650, 21700, 26650 lithium-ion packs, LiFePO4 prismatic stacks, and large wire harness bundles. Verify your pack diameter before ordering.
⚠️ Note: Flat width is 188mm — please measure your battery pack's circumference or outer diameter to confirm fit before purchasing. If unsure, contact us to confirm compatibility.

✅ Key Features of These 188mm PVC Heat Shrink Battery Sleeves

  • 📐Large 188mm Flat Width — Sized for large-format battery packs and multi-cell assemblies where standard tubing falls short; expanded inner diameter is approximately 120mm (≈4.7").
  • ⚡Electrical Insulation — PVC material provides a reliable insulating barrier between cells and external contacts, reducing the risk of accidental shorts during assembly and use.
  • ✂️Cut-to-Length Flexibility — Available in 1m, 2m, 3m, 5m, 8m, and 10m rolls so you can order exactly what your project requires and minimize leftover material.
  • 🎨Three Color Options — Choose Black for a clean finished look, Blue for easy color-coding in multi-pack systems, or Transparent to keep cell labels and markings visible after sleeving.
  • 🔥Heat Gun Compatible — Shrinks evenly with a standard heat gun; the PVC formulation resists tearing and bubbling when heat is applied at a consistent, moderate distance.
  • 🛡️Abrasion & Moisture Resistance — The PVC sleeve adds a protective outer layer that guards battery cells against minor abrasion, dust, and incidental moisture during normal indoor operation.

📐 Technical Specifications — PVC Heat Shrink Tubing Battery Sleeve

Material PVC (Polyvinyl Chloride)
Flat Width 188mm (≈7.4")
Expanded Inner Diameter Approximately 120mm (≈4.7")
Shrink Ratio Approximately 2:1 (typical for PVC)
Available Lengths 1m (≈3.3 ft), 2m (≈6.6 ft), 3m (≈9.8 ft), 5m (≈16.4 ft), 8m (≈26.2 ft), 10m (≈32.8 ft)
Color Options Black, Blue, Transparent
Wall Thickness (before shrink) See variant options
Operating Temperature Typically up to 60–80°C (140–176°F) continuous — Contact us to confirm
Shrink Temperature Typically 70–120°C (158–248°F) — apply with heat gun
Application Battery pack insulation, cell sleeving, wire harness protection
Flame Retardancy Contact us to confirm
Country of Origin Contact us to confirm

❓ 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 cell stack, then add at least 10–15% extra for overlap and shrinkage. For example, a 200mm (≈7.9") battery pack would typically need at least 220–230mm of tubing. We offer lengths from 1 Meter up to 10 Meters so you can cut exactly what you need without splicing.

What is the flat width and expanded diameter of this tubing?

The flat width is 188mm (≈7.4"), which corresponds to an expanded inner diameter of approximately 120mm (≈4.7"). After shrinking, the tubing conforms tightly to the surface of your battery pack or cells. If your pack's outer circumference is close to 376mm (188mm × 2), this tubing is generally a good fit.

What shrink ratio does this PVC tubing have?

PVC heat shrink tubing generally has a shrink ratio of approximately 2:1. This means it will shrink to roughly half its expanded diameter when heat is applied, providing a snug, secure fit around battery cells and packs. For applications requiring a tighter recovery ratio, consider polyolefin tubing instead.

Is this tubing suitable for outdoor or high-temperature environments?

PVC heat shrink tubing is generally rated for indoor and moderate-temperature applications. It typically handles continuous operating temperatures up to around 60–80°C (140–176°F). For high-heat or outdoor UV-exposed environments, a polyolefin or adhesive-lined alternative may be more appropriate. Contact us to confirm suitability for your specific application.

What tool do I use to shrink this tubing?

A standard heat gun is the recommended tool. Apply even heat at a low-to-medium setting, moving the gun continuously to avoid scorching or bubbling. In a pinch, a hair dryer on its highest setting may work for thin-walled applications, though a heat gun gives more consistent and faster results across the full 188mm width.

Can I use this tubing on lithium-ion or LiFePO4 battery packs?

Yes. This tubing is commonly used to wrap and insulate lithium-ion (18650, 21700, 26650) and LiFePO4 cell packs. The PVC material provides electrical insulation and helps protect cells from minor abrasion and moisture during normal indoor use. Always ensure cells are properly balanced and assembled before applying the sleeve.

Does the transparent variant offer the same insulation as black or blue?

Yes. All three color variants — black, blue, and transparent — are made from the same PVC material and offer equivalent electrical insulation and shrink performance. The transparent option is popular when you want to display labels, cell markings, or branding underneath the sleeve after shrinking.

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

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