Heat Shrink Sleeves for Li-ion Batteries in 1meter Length

  • Durable Material: Made from high-quality polyolefin for excellent insulation and abrasion resistance.
  • Uniform Shrinkage: Ensures a tight, secure fit around batteries when heated.
  • Wide Size Range: Available in various diameters to fit different battery sizes and configurations.
  • Easy Application: Simple to use with a heat gun, hair dryer, or lighter.
  • Enhanced Safety: Provides protection against short circuits and physical damage.
  • Professional Finish: Gives battery packs a clean, finished appearance.
  • High Temperature Resistance: Withstands operating temperatures from -55°C to +125°C.
  • Multiple Colors: Available in various colors for color-coding and aesthetics.



Heat Shrink Sleeves for Li-ion Batteries are essential for providing insulation, protection, and a professional finish to your battery packs. These sleeves are designed to shrink uniformly when heated, creating a tight, secure fit around individual cells or assembled battery packs. Ideal for DIY enthusiasts, professional battery pack manufacturers, and anyone looking to enhance the safety and durability of their Li-ion batteries, these sleeves offer both functional and aesthetic benefits.

Key Features

  • High-Quality Material: Made from durable polyolefin, these sleeves offer excellent insulation and resistance to abrasion, chemicals, and weathering.
  • Uniform Shrinkage: Shrinks evenly and consistently upon application of heat, ensuring a tight fit and secure coverage.
  • Wide Range of Sizes: Available in various diameters to fit different battery sizes and configurations, from individual cells to multi-cell packs.
  • Easy to Use: Simple application process using a heat gun, hair dryer, or lighter, making it accessible for both professionals and hobbyists.
  • Enhanced Safety: Provides an additional layer of protection against short circuits, physical damage, and environmental factors.
  • Professional Appearance: Gives battery packs a clean, finished look, ideal for commercial products or DIY projects.
  • Heat Resistance: Capable of withstanding high temperatures, ensuring durability and reliability even in demanding conditions.


  • Battery Pack Assembly: Essential for assembling and securing custom Li-ion battery packs for various applications.
  • Battery Repair and Rewrap: Ideal for repairing damaged battery sleeves or rewrapping used batteries to restore their insulation and appearance.
  • Electronics Projects: Perfect for DIY electronics projects requiring secure and insulated battery connections.
  • Electric Vehicles (EVs): Used in assembling and protecting battery packs for electric cars, bikes, and scooters.
  • Portable Devices: Ensures the safety and durability of batteries in laptops, smartphones, and other portable electronics.
  • Renewable Energy Storage: Protects battery packs used in solar and wind energy storage systems.

Technical Specifications

  • Material: Polyolefin
  • Shrink Ratio: 2:1 (shrinks to half its original diameter)
  • Operating Temperature Range: -55°C to +125°C
  • Shrink Temperature: 80°C to 120°C
  • Dielectric Strength: >20kV/mm
  • Flammability: Flame retardant options available
  • Available Sizes: From 10mm to 200mm in diameter
  • Colors: Multiple colors available for color-coding and aesthetic purposes

Why Choose Our Heat Shrink Sleeves?

Our Heat Shrink Sleeves for Li-ion Batteries provide superior protection and insulation, ensuring the safety and longevity of your battery packs. Made from high-quality polyolefin, these sleeves are designed to withstand harsh conditions and offer a reliable, professional finish. Whether you are assembling custom battery packs, repairing existing ones, or working on various electronics projects, our heat shrink sleeves are the perfect choice for enhancing both functionality and appearance.

Choose our Heat Shrink Sleeves for Li-ion Batteries to protect and enhance your battery packs. Enjoy the benefits of high-quality materials, uniform shrinkage, and easy application for all your battery insulation needs.

Sleeve's Value

120mm width, 130mm width, 140mm width, 150mm width, 160mm width, 170mm width, 180mm width, 190mm width, 200mm width, 220mm width, 240mm width, 250mm width, 30mm width, 350mm width, 50mm width, 68mm width, 90mm width

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