22.72 €
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High-purity, professional-grade nickel strip roll for 26650 batteries
Brand: Sunkko
22.72€
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Optimise and repair your battery packs with this high-purity nickel strip roll (=99.7%). Specially designed for connecting battery cells, this product is perfect for repair and battery assembly applications in 26650 format, such as laptop batteries, power banks, electric vacuum cleaners, power tools and even electric vehicle batteries. With excellent conductivity, ductility and corrosion resistance, it is the perfect choice for both professional users and those who want to build their own battery packs.
Key Features
- Continuous roll of approximately 1 kg: Allows multiple applications and battery pack assemblies in an economical and efficient way.
- High-purity material: Nickel =99.7%, ensuring optimal energy transfer and exceptional durability.
- Wide compatibility: Ideal for repairing and assembling 26650 battery packs and other formats used in power tools, electric vehicles, laptops and more.
- Requires specialised spot welding: Compatible with welding machines such as the Sunkko 788H/709A or similar, ensuring a strong and stable bond.
- Strip dimensions: 0.15 mm thickness, 37.5 mm width and 27.5 mm length per section, optimised for high-performance lithium-ion battery applications.
Benefits and Applications
This nickel roll is a professional option for those looking for a high-quality solution for their battery projects. In addition to custom pack building, it is ideal for repairing devices that require reliable power, such as laptops, power banks, tools and even light electric vehicles. Its pure nickel composition and continuous size provide the flexibility needed for large or commercial projects.
Instructions for Use
Important Note: This nickel strip requires a spot welding machine for correct installation. For optimal performance, use a compatible machine such as the Sunkko 788H/709A. Cut and adjust the strip sections according to the size of the battery pack you want to assemble or repair.
Use Cases
- Repair of laptop batteries, power banks and power tools.
- Building and customising 26650 battery packs and other common formats.
- Renewable energy storage projects, electric mobility and more.
Technical Specifications
- Material: High-purity nickel (=99.7%)
- Roll weight: Approximately 1 kg
- Dimensions: 0.15 mm thickness x 37.5 mm width x 27.5 mm length per section
- Welding compatibility: Requires compatible spot welding machine (example: Sunkko 788H/709A)
- Recommended application: 26650 battery packs and other formats
Frequently Asked Questions
- What is this nickel strip roll used for?
It is ideal for repairing and building 26650 battery packs and other formats, ensuring good conductivity and durability. - Is it compatible with any welding machine?
It requires spot welding and is compatible with machines such as the Sunkko 788H/709A. - What is the thickness and size of the strip?
The strip has a thickness of 0.15 mm, a width of 37.5 mm and a length of 27.5 mm per section. - Can it be used for batteries of other formats?
Yes, although it is optimised for 26650 batteries, it also works for other common formats in tools and electrical devices.
Don't wait any longer to improve or repair your batteries with a durable, high-purity nickel strip, ideal for professionals and renewable energy enthusiasts!
- Continuous roll of high-purity nickel strip (99.7%)
- Dimensions: 0.15 mm thickness x 37.5 mm width x 27.5 mm length
- Compatible with Sunkko 788H/709A spot welding
- Approximate roll weight: 1 kg for multiple applications
- Ideal for repairing and building 26650 battery packs
Customer Questions & Answers
For which specific applications is the 0.15 mm nickel strip most suitable, and what advantages does it offer over thicker or thinner gauges?
The 0.15 mm nickel strip is optimised for the manufacture and repair of 26650 battery packs and similar, especially in consumer applications such as powerbanks, power tools and light vehicles. This thickness offers a balance between low electrical resistance (which supports energy efficiency) and handling flexibility, allowing reliable welding without excessive heating of the cells. Thinner gauges may be easier to weld but limit maximum current, while thicker gauges can carry more current but require more powerful welders and may be less flexible.
What exactly is included in the box and what physical dimensions does the roll have?
The box contains a single continuous roll of nickel strip weighing approximately 1 kg. The strip has a thickness of 0.15 mm, a width of 37.5 mm and the accumulated roll length varies according to the total weight, but using pure nickel as a reference (density ~8.9 g/cm³), it corresponds to approximately 190-200 linear metres. No tools or additional accessories are included.
Which types of welder is this strip compatible with, and what welding parameters are recommended to ensure reliable fixing?
It is mainly compatible with capacitive spot welders, such as Sunkko 788H/709A models or equivalents. A double pulse is recommended with a welding current between 3,000 and 4,000 A, voltage adjusted to the material (generally 3-5 V at the electrode) and pulse time of 10-20 ms per spot. The electrodes should be clean and pressure even to avoid perforation or weak joints.
What are the main problems that may occur during use or storage of the nickel strip, and how can they be avoided?
The most common problems are surface oxidation, contamination from skin oils and mechanical deterioration from repeated bending. To avoid these, store the roll in a dry environment, handle it with clean gloves and avoid prolonged exposure to humid air. If slight oxidation occurs, it can be removed with an eraser or very fine sandpaper before welding.
Does this strip have certifications or comply with any relevant safety and quality regulations applicable to batteries?
Nickel strip ≥99.7% usually complies with international standards for conductive battery materials, such as RoHS (Restriction of Hazardous Substances) and general purity requirements for electrical applications. However, the specific datasheet should be consulted to confirm formal certifications such as ISO or UL, as availability depends on the batch and supplier.
What is this nickel strip roll used for?
It is ideal for repairing and building 26650 battery packs and other formats, ensuring good conductivity and durability.
Is it compatible with any welding machine?
It requires spot welding and is compatible with machines such as the Sunkko 788H/709A.
What is the thickness and size of the strip?
The strip has a thickness of 0.15 mm, a width of 37.5 mm and a length of 27.5 mm per section.
Can it be used for batteries of other formats?
Yes, although it is optimised for 26650 batteries, it also works for other common formats in tools and electrical devices.
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High-purity, professional-grade nickel strip roll for 26650 batteries
22.72 €