PVC Heat Shrink Tubing for RC Battery Packs – 7mm to 500mm, 4 Colors

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Sale price$5.82 USD
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In stock (500 units), ready to be shipped

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Description

PVC Heat Shrink Tubing for RC Battery Packs — Secure, Insulate & Protect

If you've ever had a battery pack with a torn wrapper, exposed cells, or a sloppy rebuild, you know how frustrating it is to find the right replacement wrap. DIYers, RC hobbyists, and battery builders who work with LiPo, NiMH, and NiCd packs need a reliable, easy-to-apply solution that looks clean and holds up under real use conditions.

This PVC heat shrink tubing is sold by the meter (1 M per order) and is available in flat widths from 7mm (≈0.28") to 500mm (≈19.7"), covering inner diameters from φ4mm up to φ318mm. Each size is labeled with both the flat width and the pre-shrink inner diameter (φ) so you can match it to your pack without guesswork. Choose from White, Black, Clear, or Green to suit your build style.

Typical use cases include rewrapping RC car and drone battery packs, protecting custom NiMH sub-C cell assemblies, insulating DIY power tool battery rebuilds, and color-coding battery sets for organized charging stations. The tubing is also used for cable bundling and general electrical insulation in workshop and hobby applications.

🔋 Compatible with LiPo, NiMH, NiCd, and Li-Ion RC battery pack formats. Verify your pack's outer diameter against the φ (inner diameter) value listed in the variant name before ordering.

✅ Key Features of These PVC Heat Shrink Tubing Wraps

  • 📐Wide Size Range — Flat widths from 7mm to 500mm (inner diameter φ4mm–φ318mm) cover everything from small single-cell wraps to large multi-cell RC battery pack rebuilds.
  • 🎨4 Color Options — White, Black, Clear, and Green let you match your build aesthetic or color-code battery packs for easy identification at the charging bench.
  • Electrical Insulation — PVC material provides a reliable insulating layer over battery cells and connections, reducing the risk of shorts during handling and storage.
  • 🔥Low Activation Temperature — Shrinks at generally 70–90°C (158–194°F), making it easy to apply with a standard heat gun without risking damage to sensitive battery cells.
  • ✂️Cut-to-Length Flexibility — Sold in 1-meter lengths so you can cut exactly what you need for each battery pack rebuild, minimizing waste on custom-length wraps.
  • 🔍Clear Variant for Label Visibility — The Clear option lets you keep original cell labels, capacity markings, or custom stickers visible through the wrap — useful for battery pack identification and documentation.

📐 Technical Specifications — PVC Heat Shrink Tubing

Material PVC (Polyvinyl Chloride)
Shrink Ratio Typically 2:1
Activation Temperature Generally 70–90°C (158–194°F)
Flat Width Range 7mm (≈0.28") – 500mm (≈19.7")
Inner Diameter Range φ4mm – φ318mm (see variant options for each size)
Length per Unit 1 M (≈39.4")
Available Colors White, Black, Clear, Green
Compatible Battery Types LiPo, NiMH, NiCd, Li-Ion
Wall Thickness (shrunk) See variant options
Voltage Rating Contact us to confirm
Application Method Heat gun (recommended); avoid open flame
⚠️ Size Selection Tip: The flat width is the measurement when the tube lies flat. The φ value in each variant name is the pre-shrink inner diameter. Choose a size where φ is slightly larger than your battery pack's outer diameter to ensure a snug fit after shrinking.

❓ Frequently Asked Questions

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

Measure the outer diameter of your battery pack. Then select a variant where the φ (inner diameter) value is slightly larger than your pack's diameter — this ensures the tube slides on easily and shrinks snugly. For example, if your pack is 30mm in diameter, a variant with φ32mm would typically be a good fit. When in doubt, size up by one step. The flat width is approximately: Flat Width = (Inner Diameter × π) ÷ 2.

What shrink ratio does this PVC tubing have?

PVC heat shrink tubing generally has a 2:1 shrink ratio, meaning it shrinks to approximately half its original expanded diameter when heat is applied. This is typically sufficient for wrapping RC battery packs, cable bundles, and similar cylindrical objects securely.

What temperature is needed to shrink this tubing?

PVC heat shrink tubing generally activates at around 70–90°C (158–194°F). A heat gun set to low or medium is the recommended tool. Move the heat gun evenly along the length of the tube to avoid hot spots. Avoid using open flames, as they can scorch or unevenly shrink the material and may damage battery cells.

Is this tubing safe for LiPo, NiMH, and NiCd battery packs?

Yes. This PVC heat shrink tubing is commonly used to rewrap LiPo, NiMH, and NiCd RC battery packs. It provides electrical insulation and physical protection for the cells. Always ensure the tubing is fully and evenly shrunk with no gaps or bubbles before putting the pack back into service.

Can I use this tubing outdoors or in wet conditions?

PVC heat shrink tubing generally offers basic moisture resistance suitable for typical RC hobby use in normal outdoor conditions. However, it is not rated for prolonged submersion or continuous exposure to water. For waterproofing applications, adhesive-lined (dual-wall) heat shrink tubing is generally a better choice.

How do I convert flat width to the actual inner diameter?

The flat width is the measurement when the tube is laid flat. To estimate the expanded inner diameter: Inner Diameter ≈ (Flat Width × 2) ÷ π. For example, 50mm flat width ÷ π × 2 ≈ 31.8mm inner diameter. For convenience, each variant in this listing already shows the φ (inner diameter) value — for example, "50mm (φ32mm)" — so you can match directly to your pack size.

Which color should I choose for my battery pack?

White and Black are the most popular choices for a clean, professional-looking battery rebuild. Clear is ideal when you want to keep original cell labels or capacity markings visible through the wrap. Green works well for custom builds or color-coded battery management systems where you need to distinguish packs at a glance.

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

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