18650 Single Battery Casing Transparent Multi-color Insulation Heat
Shrink Casing Battery Casing Battery Outer Skin PVC Heat Shrink
Film
1. Product Overview
Our 18650 PVC Heat-Shrink Sleeves are high-quality, insulating protective covers designed for 18650 lithium batteries. Available in transparent and 15+ vibrant colors, these sleeves provide electrical insulation, mechanical protection, and color-coded
identification for battery packs.
2. Key Features
Premium PVC Material: Durable, flame-retardant, and resistant to abrasion/chemicals.
Multi-Color Options: 15+ standard colors (e.g., black, blue, red, gold, translucent)
for easy battery identification.
Heat-Shrink Technology: Shrinks tightly (2:1 ratio) at 120°C–150°C for a secure fit.
Precision Sizing: Fits 18650 cells perfectly (pre-shrink dimensions: 72mm × 30mm; shrunk diameter: 18.5mm).
3. Technical Specifications
| Parameter | Specification |
|---|
| Material | PVC (Polyvinyl Chloride) |
| Pre-Shrink Size | 72mm (L) × 30mm (W) |
| Shrunk Diameter | 18.5mm (±0.2mm) |
| Shrink Ratio | 2:1 (50% shrinkage) |
| Temperature Range | -40°C to +105°C (operational) |
| Color Options | Transparent, Black, Blue, Red, Gold, Green, etc. |
4. Applications
- Battery Insulation: Prevents short circuits in 18650 battery packs.
- Color Coding: Simplifies cell identification in DIY projects or industrial
packs.
- Mechanical Protection: Shields batteries from scratches and impacts.
5. Why Choose US?
Safety Compliant: Meets UL and IEC standards for electrical insulation.
Customizable: Special colors or sizes available for OEM projects.
✔ Cost-Effective: Bulk pricing for large orders.
