What is the flat width and what diameter does it cover?

The flat width is 242mm, which corresponds to a recovered inner diameter of typically 130–150mm depending on wall thickness. This makes it well-suited for large-format battery packs, cylindrical cell groups, and similar assemblies.

What voltage rating does this tubing support?

PVC heat shrink tubing in this size range is typically rated for low-voltage insulation applications (generally up to 600V). For high-voltage or industrial-grade requirements, please contact us to confirm the exact rating for the specific batch.

PVC Heat Shrink Tubing 242mm Flat Width — Battery Sleeve Insulation Protection

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PVC Heat Shrink Tubing 242mm Flat Width — Battery Sleeve Insulation Protection

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Color: Black

Length: 1 Meter

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PVC Heat Shrink Tubing 242mm Flat Width — Reliable Battery Sleeve Insulation for DIY Builders

If you've ever finished wiring a battery pack only to realize you have no clean way to insulate and protect the cells, you know the frustration. Whether you're building e-bike packs, power tool batteries, or custom energy storage systems, exposed cell groups are a safety and reliability risk. This 242mm flat width PVC heat shrink tubing is designed for makers, EV hobbyists, and electronics technicians who need a clean, professional-grade insulation sleeve without the complexity.

Each roll contains continuous PVC heat shrink tubing with a flat width of 242mm — equivalent to a recovered inner diameter of typically 130–150mm (≈5.1"–5.9"). Available in lengths from 1 meter (≈3.3 ft) to 10 meters (≈32.8 ft), and in six colors: Black, Blue, Fruit Green, Transparent, White, and Silver Grey. The tubing begins to shrink at approximately 70–90°C and conforms snugly around battery cells, bus bars, and cylindrical assemblies with a generally 2:1 shrink ratio.

Typical use cases include wrapping 18650 or 21700 lithium-ion cell groups for e-bike battery packs, sleeving LiFePO4 prismatic cell stacks for solar storage builds, and insulating custom power tool battery assemblies — all scenarios where a large-diameter heat shrink battery sleeve insulation solution is needed but hard to source locally.

🔋 Compatibility: Fits cylindrical and prismatic battery assemblies with an outer circumference of up to approximately 480mm (≈18.9"). Suitable for 18650, 21700, 26650 cell groups, LiFePO4 packs, and similar large-format battery configurations.

⚠️ Sizing Note: Flat width is measured flat (unrolled). Recovered diameter will vary based on the number of cell layers and wrapping method. We recommend measuring your pack's circumference and dividing by π to estimate the required flat width before ordering.

✅ Key Features of These PVC Heat Shrink Battery Sleeves

📏 242mm Flat Width — Covers large-format battery packs and cell groups that standard small-diameter heat shrink tubing cannot accommodate, including multi-row 18650 and 21700 configurations.
🔥 Low Activation Temperature — Begins shrinking at approximately 70–90°C (158–194°F), making it compatible with standard heat guns and even careful use of a hot air station for precise battery sleeve insulation work.
🎨 6 Color Options — Available in Black, Blue, Fruit Green, Transparent, White, and Silver Grey for color-coding battery packs, matching enclosure aesthetics, or maintaining visibility through the transparent variant.
✂️ Cut-to-Length Rolls — Sold in 1m to 10m rolls so you cut exactly what each job requires — no waste, no minimum cut lengths, ideal for both one-off DIY builds and small production runs.
🛡️ Moisture-Resistant PVC Material — The PVC construction provides solid dielectric insulation and moisture resistance for indoor battery assemblies, protecting cell wraps from accidental shorts and condensation.
⚡ Rated for Low-Voltage Applications — Generally suitable for battery pack insulation up to approximately 600V, covering the voltage range of most DIY e-bike, solar storage, and power tool battery builds.

📐 Technical Specifications — PVC Heat Shrink Tubing

Product Type	PVC Heat Shrink Tubing / Battery Sleeve
Flat Width	242mm (≈9.5")
Recovered Inner Diameter	Typically 130–150mm (≈5.1"–5.9")
Shrink Ratio	Typically 2:1
Activation Temperature	Approximately 70–90°C (158–194°F)
Material	PVC (Polyvinyl Chloride)
Voltage Rating	Generally up to 600V (low-voltage applications)
Available Colors	Black, Blue, Fruit Green, Transparent, White, Silver Grey
Available Lengths	1m, 2m, 3m, 4m, 5m, 8m, 10m
Wall Thickness (pre-shrink)	See variant options
Outdoor / UV Resistance	Contact us to confirm
Compliance / Certifications	Contact us to confirm

❓ Frequently Asked Questions

How do I choose the right length for my battery pack?

Measure the total length of your battery cells or pack, then add at least 10–15% extra for shrinkage and overlap. For example, a 200mm (≈7.9") pack typically needs a 230–240mm cut length. We offer rolls from 1m to 10m so you can cut exactly what you need without waste.

What is the flat width and what diameter does it actually cover?

The flat width is 242mm (≈9.5"), which corresponds to a recovered inner diameter of typically 130–150mm (≈5.1"–5.9") depending on wall thickness and how tightly the tubing is applied. This makes it well-suited for large-format battery packs and multi-cell cylindrical assemblies.

How much does this tubing shrink and what tool do I need?

PVC heat shrink tubing generally has a shrink ratio of approximately 2:1. It typically begins to shrink at around 70–90°C (158–194°F). A standard heat gun set to low-to-medium heat works well. Move the heat gun evenly along the tubing to avoid bubbling or uneven shrinkage.

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

PVC heat shrink tubing provides good moisture resistance for general indoor and semi-protected outdoor use. For prolonged UV exposure or harsh outdoor environments, an adhesive-lined polyolefin tubing is generally a better choice. Contact us to confirm suitability for your specific application.

What voltage rating does this insulation sleeve support?

PVC heat shrink tubing in this size range is typically rated for low-voltage insulation applications, generally up to 600V. This covers most DIY e-bike, solar storage, and power tool battery builds. For high-voltage or industrial-grade requirements, please contact us to confirm the exact rating.

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

Yes — this tubing is commonly used to wrap and insulate DIY lithium-ion and LiFePO4 battery packs. The 242mm flat width accommodates a wide range of cell configurations. Always ensure the pack surface is clean and dry before applying heat to get a tight, even fit.

Does the color affect the insulation performance?

No — all six color variants (Black, Blue, Fruit Green, Transparent, White, Silver Grey) share the same PVC material and insulation properties. Color choice is purely aesthetic or for color-coding purposes in multi-pack assemblies. The Transparent variant allows you to inspect cell labels and markings after sleeving.

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

PVC Heat Shrink Tubing 242mm Flat Width — Battery Sleeve Insulation Protection

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Beschreibung

PVC Heat Shrink Tubing 242mm Flat Width — Reliable Battery Sleeve Insulation for DIY Builders

✅ Key Features of These PVC Heat Shrink Battery Sleeves

📐 Technical Specifications — PVC Heat Shrink Tubing

❓ Frequently Asked Questions

PVC Heat Shrink Tubing 242mm Flat Width — Battery Sleeve Insulation Protection

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