235mm Flat Width PVC Heat Shrink Tubing for Battery Pack Insulation

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235mm Flat Width PVC Heat Shrink Tubing for Battery Pack Insulation

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By HomeDIYer®

Color: Black

Length: 1 Meter

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$16.39 USD

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235mm PVC Heat Shrink Tubing — Reliable Battery Pack Insulation for DIY Builders

Building or rebuilding a battery pack is rewarding work — until a bare cell or exposed terminal causes a short circuit. Whether you're assembling e-bike batteries, power tool packs, or custom lithium cell arrays, getting a clean, secure insulation sleeve around your build is non-negotiable. This 235mm flat width PVC heat shrink tubing is designed for exactly that job, giving hobbyists, EV builders, and electronics repair technicians a fast, professional-grade wrap for large-format battery assemblies.

Each order includes your chosen length of PVC heat shrink tubing in a 235mm flat width (approximately 150mm / ≈5.9" recovered diameter after shrinkage), available in Black or Blue. Lengths range from 1 Meter (≈39.4") to 10 Meters (≈393.7"), so you can cut exactly what you need for single cells, multi-cell stacks, or bulk production runs. The tubing is made from flexible PVC with a typical 2:1 shrink ratio.

Typical use cases include wrapping 18650 and 21700 lithium-ion cell packs for e-bikes and scooters, insulating LiFePO4 prismatic cell assemblies for solar storage systems, and re-sleeving used battery packs during refurbishment — all scenarios where a snug, electrically insulating sleeve prevents shorts and gives the finished pack a clean appearance.

🔋 Compatibility: Suitable for large-format cylindrical and prismatic battery packs — including 18650, 21700, 26650 cell arrays, LiFePO4 prismatic blocks, and similar assemblies with an outer circumference up to approximately 470mm (≈18.5").

✅ Key Features of These 235mm PVC Heat Shrink Battery Sleeves

📐235mm Flat Width — Sized for large-format battery packs; recovers to approximately 150mm (≈5.9") diameter, fitting a wide range of cylindrical and prismatic cell assemblies.
⚡Electrical Insulation — PVC material provides a reliable dielectric barrier between cells and external contacts, reducing the risk of short circuits in DIY battery builds.
✂️Cut-to-Length Flexibility — Available in 1m to 10m rolls; cut exactly what you need for single-cell wraps, multi-cell stacks, or bulk battery pack production.
🌡️Low-Temperature Activation — Shrinks at typically 70–90°C (158–194°F), compatible with standard heat guns; no open flame required for a smooth, even wrap.
🎨Two Color Options — Black for a clean, universal finish; Blue for color-coding battery groups or voltage tiers in multi-pack systems.
🛡️Moisture & Dust Resistance — Flexible PVC construction resists light moisture and dust ingress, helping protect battery terminals and cell surfaces during storage and use.

📐 Technical Specifications — PVC Heat Shrink Battery Sleeve Tubing

Flat Width	235mm (≈9.3")
Recovered Diameter (approx.)	~150mm (≈5.9")
Shrink Ratio	Typically 2:1
Material	PVC (Polyvinyl Chloride)
Available Colors	Black, Blue
Available Lengths	1m, 2m, 3m, 4m, 5m, 8m, 10m
Activation Temperature	Typically 70–90°C (158–194°F)
Voltage Rating	See variant options / Contact us to confirm
Wall Thickness (before shrink)	See variant options
Recommended Tool	Heat gun (low to medium setting)
Typical Applications	Battery pack insulation, cell sleeve wrapping, DIY EV battery assembly

⚠️ Note: Exact wall thickness and voltage rating vary by production batch. If your application requires certified electrical ratings, please contact us to confirm specifications before ordering.

❓ 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 cells end-to-end, then add at least 20–30mm (about 1") of overlap on each end for a secure seal. For example, a 200mm (≈7.9") battery stack would typically need a 250–260mm (≈10") sleeve length. Available lengths range from 1 Meter to 10 Meters so you can cut to size without waste.

What shrink ratio does this PVC tubing have, and what diameter will it recover to?

PVC heat shrink tubing generally has a 2:1 shrink ratio. The 235mm flat width corresponds to a recovered diameter of approximately 150mm (≈5.9"). This makes it suitable for large cylindrical cell packs and prismatic battery blocks with an outer circumference up to roughly 470mm (≈18.5").

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

PVC heat shrink tubing is generally moisture-resistant and provides a protective barrier against dust and light moisture. However, for prolonged outdoor exposure or submersion applications, an adhesive-lined polyolefin tubing is typically recommended for a fully waterproof seal. This PVC sleeve is best suited for indoor battery assemblies and protected enclosures.

What temperature is needed to shrink this tubing, and can I use a heat gun?

PVC heat shrink tubing typically activates at around 70–90°C (158–194°F). A standard heat gun set to a low-to-medium setting works well. Move the heat source evenly along the sleeve to avoid hot spots. Avoid open flames, which can cause uneven shrinkage, scorching, or damage to the underlying cells.

Is this tubing compatible with lithium-ion, LiFePO4, and other battery chemistries?

Yes. This large-diameter PVC battery sleeve is commonly used with lithium-ion (18650, 21700, 26650), LiFePO4 prismatic cells, NiMH, and lead-acid battery assemblies. It is electrically insulating and helps prevent short circuits between cells and external contacts during assembly and use.

How do I decide between Black and Blue color options?

Color choice is typically for identification or aesthetic purposes. Black is the most common choice for general battery packs and provides a clean, finished look. Blue is often used to color-code specific battery types, voltage groups, or charge states in multi-pack systems — making it easier to identify packs at a glance during maintenance.

What is the voltage rating of this PVC heat shrink tubing?

PVC heat shrink tubing of this type is generally rated for low-voltage applications, typically up to 600V. However, exact electrical ratings can vary by production batch. If your application requires a certified voltage rating, please contact us to confirm before use in high-voltage assemblies.

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

235mm Flat Width PVC Heat Shrink Tubing for Battery Pack Insulation

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Description

235mm PVC Heat Shrink Tubing — Reliable Battery Pack Insulation for DIY Builders

✅ Key Features of These 235mm PVC Heat Shrink Battery Sleeves

📐 Technical Specifications — PVC Heat Shrink Battery Sleeve Tubing

❓ Frequently Asked Questions

235mm Flat Width PVC Heat Shrink Tubing for Battery Pack Insulation

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