21700 Battery Wraps | Durable Protection for Lithium-Ion Batteries

21700 battery wraps are critical safety components designed to replace worn, torn, or damaged insulation on lithium-ion batteries. Maintaining a proper wrap is vital for preventing electrical shorts, overheating, and potential failure. Proper rewrapping ensures electrical insulation, secure handling, and extended battery longevity.

At IMR Batteries, we provide high-quality, precision-cut PVC battery wraps, engineered for exact fitment, superior durability, and long-term performance. Whether you're replacing damaged wraps or assembling professional battery packs, our premium wraps deliver the best insulation and protection.

Technical Specifications

• Material: Durable PVC heat-shrink tubing
• Shrink Ratio: 2:1 for a secure and uniform fit
• Thickness Options: Standard & reinforced heavy-duty wraps available
• Fitment: Designed for 21700 lithium-ion cells
• Installation Requirements: Requires heat application (heat gun or hairdryer recommended)

Key Features & Benefits

• 🔋 Prevents Electrical Shorts & Exposed Metal Contact – Ensures safe lithium-ion operation.
• ⚡ Precision Fit & Strong Adhesion – Provides full coverage and secure insulation.
• 🔄 High-Temperature Resistance – Reliable performance under continuous high-drain usage.
• 🎨 Custom Wrap Options for Organization & Labeling – Ideal for identifying and sorting battery packs.
• 🏆 Industry-Approved Safety Solution – Used by professionals for battery maintenance and custom battery pack assembly.

Best Practices for Rewrapping 21700 Batteries

1️⃣ Inspect the Battery – Check for damaged wraps, exposed metal, or surface wear.
2️⃣ Remove the Old Wrap Carefully – Preserve the insulation ring on the positive terminal.
3️⃣ Position the New Wrap – Center the wrap evenly to allow for uniform shrinking.
4️⃣ Apply Heat for a Secure Fit – Use a heat gun or hairdryer to shrink the wrap snugly.
5️⃣ Verify Insulation Integrity – Ensure the positive terminal is properly covered before reusing.

Industry Applications for 21700 Battery Wraps

✔ Battery Safety & Maintenance – Essential for protecting lithium-ion cells from electrical shorts.
✔ Custom Battery Pack Assembly – Widely used by engineers, flashlight users, and industrial professionals.
✔ High-Drain Applications (Flashlights, Tools, & Energy Storage) – Protects against wear and tear in heavy-use environments.
✔ Research & Development – Trusted for lab and prototype applications in battery technology.

Why Choose 21700 Battery Wraps from IMR?

✔ Precision-Fit, High-Quality PVC Wraps – Engineered for durability and long-term use.
✔ Multiple Thickness & Color Options – Standard, reinforced, and customizable designs available.
✔ Trusted by Battery Professionals & Enthusiasts – Ideal for high-performance lithium-ion applications.

At IMR Batteries, we stock a wide selection of 21700 battery wraps, ensuring safe, durable, and high-quality battery protection for all lithium-ion applications. Shop now and protect your batteries with professional-grade wraps!