ARIDA
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NB109 Alloy & N6 Pure Nickel Tabs for 21700 Battery Packs
Connection quality directly affects 21700 battery pack efficiency and safety. Our nickel tabs, available in NB109 alloy and N6 pure nickel, deliver stable electrical contact, strong spot weldability, and consistent mechanical performance.
NB109 Alloy Nickel Tabs
NB109 is a nickel-based alloy formulated for applications needing higher mechanical strength without sacrificing weldability. It provides a practical balance between cost and performance, well-suited for mid- to high-power battery packs.
N6 Pure Nickel Tabs
N6 pure nickel (≥99.5% Ni) offers very low electrical resistivity and excellent corrosion resistance. It delivers stable spot welding results and high thermal durability, making it ideal for demanding operational environments.
Benefits for 21700 Battery Assembly
Thickness range: 0.1mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm
Width matched to 21700 cells: 6mm, 7mm, 8mm, 10mm, or custom
Clean, oil-free, and oxidation-controlled surface
Tape and reel packaging for automated assembly lines
Typical Applications
21700 battery packs
EV auxiliary power systems
E-bike and electric scooter batteries
Power tool battery packs
Home energy storage systems
| Attribute | NB109 Alloy | N6 Pure Nickel |
|---|---|---|
| Material type | Nickel-based alloy | Pure nickel ≥99.5% |
| Primary feature | Mechanical strength + conductivity | High conductivity + corrosion resistance |
| Thickness options | 0.15mm / 0.2mm / 0.3mm | 0.1mm / 0.15mm / 0.2mm / 0.25mm / 0.3mm |
| Width options (for 21700) | 7mm / 8mm / 10mm | 6mm / 8mm / 10mm / 21mm |
| Surface condition | Bright, weld-ready | Bright annealed, oil-free |
| Packaging form | Roll / reel / pre-cut | Roll / tape & reel / pre-cut |
| Custom punching | 1P to 6P configurations | 1P to 6P configurations |
| Optional plating | Tin / silver / nickel | Tin / silver |
| Specification | NB109 Alloy Tab | N6 Pure Nickel Tab |
|---|---|---|
| Purity | Nickel alloy | ≥99.5% Ni |
| Electrical resistivity | Low | 8.5 – 9.5 μΩ·cm (20°C) |
| Conductivity rating | Medium to high | High |
| Weldability | Very good | Excellent |
| Corrosion resistance | High | Very high |
| Mechanical strength | Higher than pure nickel | Moderate |
| Typical 21700 pack use | Power tools, mid-power EV | High-performance EV, ESS |
| Thickness tolerance | ±0.01mm | ±0.01mm |
| Width tolerance | ±0.05mm | ±0.05mm |
| Reel options | 7 inch / 13 inch | 7 inch / 13 inch |
