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Item #:
118780539
216PCS 26650 Lithium Battery Insulator Rings, Highland Barley Paper with Adhesive Backing, Hollow Paper Pad Electrical Insulation Ring, Green
Item #:
118780539
ZMW 421
Price Details
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Imported from USA store
Order now and get it around Sunday, August 02
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Enhance the safety of your 18650 lithium batteries with our waterproof and heat-resistant insulator rings.
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Product Details
- PRODUCT TYPE: 26650 lithium battery insulator ring, highland barley paper with adhesive backing
- Size: Outer ring diameter: Φ26mm(1"). Inner ring diameter: Φ14mm(0.55"). Thickness: 0.2mm.
- ADVANTAGES: Enhance the safety of your 26650 lithium batteries with our insulator rings. Waterproof, Heat-resistant, Crafted from highland barley paper with adhesive backing. Easy to peel and paste.
- ADVANTAGES: Battery insulator rings offer good insulation, wear, corrosion, and tear resistance. Specifically designed for 26650 batteries. prevent short circuits.
- PACKAGE INCLUDES: 216PCS 26650 lithium battery insulation ring.
| Brand Name | MatchWhiz |
| Manufacturer | MatchWhiz |
| Unit Count | 216 Count |
| Included Components | Non |
| Model Number | RAP-1 |
| Manufacturer Part Number | MB-008 |
| Item Thickness | 0.2 millimeters |
| Item Dimensions L x W | 1"L x 1"W (2.5 cm) |
| Coverage | 109.3 square inches (per battery) |
| Recommended Uses For Product | Battery Insulation |
| Material Type | Highland barley, Paper |
| Material | Highland barley, Paper |
| Brand | MatchWhiz |
| Product Dimensions (L x W x H) | 1"L x 1"W (2.5 cm) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Product Description
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Customer Questions & Answers
-
Question:
What are 21700 lithium battery insulator rings used for?
Answer: 21700 lithium battery insulator rings are designed to provide electrical insulation for lithium batteries, particularly when grouping several batteries together. These insulator rings help prevent short circuits and ensure safety during battery operation. They are crucial in electronic devices and battery packs where multiple batteries are connected. Because they adhere well and offer optimal insulation, they are commonly used in various applications such as electric bikes, power tools, and renewable energy systems. -
Question:
What material is used for the insulation rings?
Answer: The insulation rings are made from highland barley paper, which is known for its excellent electrical insulation properties. This eco-friendly material provides effective separation between battery units, reducing the risk of short circuits. The adhesive backing also allows for easy attachment to battery surfaces, ensuring a reliable performance. Ideal for DIY battery packs or replacements, these rings are not only functional but also contribute to a more sustainable approach in electronics. -
Question:
How many insulation rings come in a pack?
Answer: Each pack contains 330 insulation rings, providing ample quantity for a variety of applications. This large supply is perfect for both hobbyists and professionals who require consistent and reliable materials for battery management systems. Having a sufficient number of insulator rings allows for ease of customization in projects involving multiple battery cells, ensuring each one is adequately insulated and secured. -
Question:
Are these rings compatible with different battery sizes?
Answer: These insulator rings are specifically designed for 21700 lithium batteries, but they can also be used in similar applications where dimensions allow. Using the right insulation is essential for maintaining safety and efficiency. It's always recommended to check the specifications of your batteries to ensure proper fit. These rings provide a snug fit for 21700 cells, making them suitable for typical configurations in battery packs. -
Question:
Can the adhesive backing affect the battery performance?
Answer: No, the adhesive backing on the insulation rings is designed to withstand normal operational conditions and will not compromise battery performance. It offers a reliable bond without interfering with the battery’s electrical functions. However, ensure that the surfaces where you apply the rings are clean and free of contaminants for optimal adhesion. This guarantees that the insulation purpose is served effectively while maintaining the battery's overall integrity. -
Question:
How do I apply the insulation rings to batteries?
Answer: Applying insulation rings is a straightforward process. Simply peel off the protective layer covering the adhesive and place the ring directly onto the battery’s surface where insulation is required. It’s important to press firmly to ensure a secure fit. The rings should cover all exposed areas to create an effective barrier against potential short circuits. This method is beneficial for anyone assembling battery packs, enhancing safety and operation efficiency. -
Question:
What benefits do hollow pads offer in electrical insulation?
Answer: Hollow pads enhance electrical insulation by distributing pressure evenly across the battery surface, reducing the risk of damage during battery integration. They help in managing heat generated during operation, which is crucial for preventing overheating. The design is lightweight and versatile, making it well-suited for compact battery designs often seen in modern electronic devices. This allows users to improve the performance and longevity of their battery assemblies. -
Question:
Are these insulator rings environmentally friendly?
Answer: Yes, the insulation rings are made from highland barley paper, which is an eco-friendly material. This sustainable option reduces the environmental impact of traditional plastic insulators. Choosing such materials is beneficial for users seeking greener alternatives in electronics. Moreover, it positions your projects or products as environmentally conscious, which can appeal to environmentally-aware consumers. -
Question:
Can I use these insulator rings for other applications beyond batteries?
Answer: While primarily designed for 21700 lithium batteries, these insulator rings can also be used in various electrical applications where insulation is needed. They can be applied in DIY projects involving small electronic circuits, providing protection and insulation for exposed wires and components. Their versatile design allows them to adapt to different uses, making them a handy addition to any toolkit. -
Question:
Where can I buy 330PCS 21700 Lithium Battery Insulator Rings in Zambia?
Answer: You can purchase the 330PCS 21700 Lithium Battery Insulator Rings from Ubuy, which offers a convenient online shopping experience. Ubuy provides a wide selection of products, ensuring you're able to find the right insulation solutions for your battery needs. With their favorable customer service and user-friendly interface, shopping for these insulator rings through Ubuy can simplify your procurement process.
MatchWhiz Electrical Tape RAP-1 Editorial Review
**** The 216PCS 26650 Lithium Battery Insulator Rings have garnered positive responses from customers who appreciate their quality and critical role in ensuring the safety of battery applications. Users have highlighted the stiff texture of the paper insulators and praised their effectiveness in preventing short circuits between battery cells, especially when rewrapping or maintaining battery packs. The self-adhesive backing is an added convenience that users find valuable, making the installation process straightforward. Many reviewers emphasize the importance of these insulator rings in preventing potential fire hazards due to thermal runaway. They recommend inspecting and maintaining insulation frequently, endorsing these insulators as a vital component when handling or storing lithium-ion cells. Particularly useful to hobbyists and professionals alike, the rings serve as an essential safety measure when building custom battery packs or utilizing battery cells in automation and other high-current applications. In summary, users found the 216PCS insulator rings to be a must-have for any project involving lithium batteries, with many suggesting that those involved in battery rewrapping or building should not overlook the significance of these pieces. The product is noted for its practicality and effectiveness, especially for those venturing into DIY battery pack creation for e-bikes or energy storage systems. **
Customer Reviews & Ratings
67 customers ratings
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Pros
- High-quality and stiff insulation material.
- Self-adhesive backing for easy installation.
- Essential for preventing short circuits and fire hazards.
- Clear emphasis on safety and maintenance.
- Ideal for both hobby and professional-level applications.
Cons
- Not specifically mentioned, but potential concerns about the necessity of replacing them frequently during re-sleeving could arise for some users.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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ZMW 421
Order now and get it around Sunday, August 02
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Features & Benefits
- 550PCS of 18650 lithium battery insulation rings included.
- Made from highland barley paper with adhesive backing.
- Waterproof and heat-resistant for enhanced safety.
- Good insulation and resistance to wear, corrosion, and tear.
- Specifically designed to prevent short circuits.
- Easy to peel and paste for user convenience.
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