Heat Shrink PVC Battery Wrap Sleeves — 43mm to 66mm, 15 Colors

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Beschreibung

Heat Shrink PVC Battery Wrap Sleeves — Reliable Color-Coding for Every Cell

If you've ever dealt with a battery pack where worn, torn, or mismatched wraps caused shorts, identification headaches, or safety concerns, you know how critical a clean re-wrap can be. These heat shrink PVC battery wrap sleeves are designed for hobbyists, e-bike builders, flashlight enthusiasts, and DIY electronics makers who need a fast, tidy solution for re-wrapping or color-coding cylindrical cells and wire bundles.

Each order is a continuous roll in your chosen color and length. Available in six outer diameters — 43mm (Ø27mm), 45mm (Ø28mm), 50mm (Ø32mm), 55mm (Ø35mm), 60mm (Ø38mm), and 66mm (Ø42mm) — with lengths of 1M (≈3.3 ft), 2M (≈6.6 ft), 5M (≈16.4 ft), and 10M (≈32.8 ft). Fifteen colors are available, including Black, White, Clear, Red, Blue, Green, Yellow, Orange, Purple, Pink, Silver Grey, Fruit Green, Orange Yellow, Orange Red, and Light Yellow.

Common applications include 18650 and 21700 lithium cell re-wrapping for vape mods and flashlights, battery pack assembly for e-bikes and power tools, wire bundling and color-coding in automotive and marine wiring, and insulating solder joints in DIY electronics projects.

ℹ️ Compatibility note: The inner diameter (Ø) listed in each variant is the pre-shrink fit size. Verify your battery or cable OD is smaller than the listed Ø before ordering. For 18650 cells (≈18.5mm OD), the 43mm(Ø27mm) variant is typically the correct choice.
⚠️ Sizing tip: If you are unsure which diameter fits your application, measure the object's outer diameter and compare it to the Ø value in the variant name. When in doubt, size up — PVC heat shrink generally shrinks 40–50% radially.

✅ Key Features of These Heat Shrink PVC Battery Wrap Sleeves

  • 🎨15 Distinct Colors — From Black and Clear to Fruit Green and Orange Red, color-coding your battery cells or wire bundles by chemistry, capacity, or circuit is straightforward without extra labeling.
  • 📏Six Diameter Options — Covering 43mm to 66mm outer diameter (Ø27mm to Ø42mm inner), these sleeves fit a wide range of cylindrical cells including 18650, 21700, and 26650 formats, as well as small wire bundles.
  • 🔥Low-Temperature Activation — PVC heat shrink typically activates between 70°C–120°C (160°F–250°F), so a standard heat gun on a low setting is all you need — no specialized equipment required for battery re-wrapping.
  • 💧Moisture-Resistant Barrier — Once shrunk, the sleeve forms a snug, moisture-resistant layer around the cell or cable, helping protect against minor condensation and handling abrasion in everyday use.
  • ✂️Cut-to-Length Flexibility — Supplied as a continuous roll (1M, 2M, 5M, or 10M), you cut exactly what you need for each wrap — no waste, no pre-cut pieces that may not fit your specific cell length.
  • Electrically Insulating PVC — PVC is an established electrical insulator, making these sleeves suitable for re-wrapping lithium cells where the outer wrap serves as the primary insulation layer between the positive cap and the cell body.

📐 Technical Specifications — Heat Shrink PVC Battery Wrap Sleeves

Material PVC (Polyvinyl Chloride) heat shrink film
Available Outer Diameters 43mm, 45mm, 50mm, 55mm, 60mm, 66mm
Corresponding Inner Diameters (pre-shrink) Ø27mm, Ø28mm, Ø32mm, Ø35mm, Ø38mm, Ø42mm
Available Lengths 1M (≈3.3 ft), 2M (≈6.6 ft), 5M (≈16.4 ft), 10M (≈32.8 ft)
Shrink Ratio (radial) Typically ~2:1 (shrinks approx. 40–50% in diameter)
Activation Temperature Typically 70°C–120°C (160°F–250°F)
Available Colors Black, White, Yellow, Green, Blue, Red, Clear, Purple, Orange, Fruit Green, Pink, Orange Yellow, Silver Grey, Orange Red, Light Yellow
Typical Cell Compatibility 18650, 21700, 26650, AA — see variant options for fit guidance
Longitudinal Shrinkage Typically <5%
Electrical Property Electrically insulating
Quantity per Order 1 continuous roll per variant selected
Country of Origin See variant options

❓ Frequently Asked Questions

How do I choose the right diameter for my battery?

Measure your battery's outer diameter before shrinking. The sleeve's inner diameter (Ø) listed in the variant name is the pre-shrink fit size. For a standard 18650 cell (≈18.5mm OD), the 43mm(Ø27mm) sleeve typically works well. For larger cells or packs, step up to 45mm or 50mm. When in doubt, choose one size larger — PVC heat shrink generally shrinks 40–50% radially.

What temperature is needed to shrink these sleeves?

PVC heat shrink sleeves generally activate at temperatures between 70°C and 120°C (160°F–250°F). A heat gun set to low or medium is typically sufficient. Avoid open flames, which can scorch or unevenly shrink the material.

Can these sleeves handle outdoor or high-humidity environments?

PVC heat shrink provides a moisture-resistant barrier once applied, making it generally suitable for moderate outdoor use. However, it is not rated for continuous submersion. For harsh outdoor or marine environments, consider a dual-wall adhesive-lined heat shrink instead.

Are these compatible with 18650, 21700, and AA batteries?

Yes. The 43mm(Ø27mm) variant is typically used for standard 18650 cells. The 45mm and 50mm sizes generally fit 21700 cells or small battery packs. AA batteries are narrower and typically work with the 43mm size. Always verify your cell's OD against the listed inner diameter before ordering.

How much length do I need per battery?

A standard 18650 cell is approximately 65mm (≈2.6 inches) long. Allow an extra 5–10mm on each end for overlap. One 1M roll typically yields around 14–15 wraps for 18650 cells. For bulk re-wrapping projects, the 5M or 10M lengths offer better value per wrap.

Can I use these for wire bundling and cable management?

Absolutely. These PVC heat shrink sleeves are widely used for bundling wires, color-coding cables, insulating solder joints, and protecting connectors in DIY electronics and automotive wiring projects. The 15 available colors make color-coding straightforward.

What is the shrink ratio of these PVC sleeves?

These PVC sleeves generally have a shrink ratio of approximately 2:1 radially, meaning they shrink to roughly half their original diameter when heat is applied. Longitudinal shrinkage is typically minimal (under 5%), so the length you order is close to the usable length after shrinking.

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

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