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21700 Cylindrical Battery Housing Set - Pre-Nickel-Plated Steel Shell + Safety Explosion-Proof Cap + Insulation Pads
Product Details:
| Place of Origin: | China |
| Brand Name: | XWELL |
| Model Number: | 21700 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 100pcs |
|---|---|
| Price: | USD $0.1~$1000 |
| Packaging Details: | Carton |
| Delivery Time: | 5-7 days |
| Payment Terms: | T/T,Western Union,L/C,D/A,D/P |
| Supply Ability: | 10000 pcs per month |
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Detail Information |
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| Type: | 21700 | Model: | Lithium Battery Cell Case For 21700 |
|---|---|---|---|
| Shell Material: | Pre-nickel Plated Steel | Wall Thickness: | Pre-Nickel-Plated Steel (Nickel Layer Thickness: ≥0.5μm) |
| Compatibility: | 21700 Lithium-ion Battery Cells, Automated Assembly Lines | Safety Component: | Safety Explosion-Proof Cap |
Product Description
21700 Cylindrical Battery Housing Set - Pre-Nickel-Plated Steel Shell + Safety Explosion-Proof Cap + Insulation Pads
Boost Battery Safety & Assembly Efficiency with Our 21700 Pre-Nickel-Plated Steel Housing Set — The ultimate all-in-one solution for 21700 lithium-ion battery packaging, trusted by manufacturers worldwide for energy storage, power tools, and electric mobility.
Product Specifications
- Model: 21700 Cylindrical Battery Case Set
- Material: High-quality steel (shell) + premium insulating material (sheets)
- Compatible Cell Size: 21mm (diameter) * 70mm (height)
- Components: 21700 steel shell + explosion-proof cap + upper insulation sheet + lower insulation sheet
- Application: Automated battery assembly, lithium-ion battery packaging for various devices
- Safety Standard: Complies with global lithium-ion battery housing safety regulations
| Parameter | Details |
|---|---|
| Model | 21700 Cylindrical Battery Housing Set |
| Shell Material | Pre-Nickel-Plated Steel (Nickel layer thickness: ≥0.5μm) |
| Shell Dimensions | 21mm (diameter) * 70mm (height) |
| Wall Thickness | 0.2-0.3mm (uniform thickness via CNC stamping) |
| Safety Component | Safety Explosion-Proof Cap (Pressure relief threshold: 1.5-2.0MPa) |
| Insulation Pads | High-temperature PP material (Heat resistance: ≤120°C) |
| Compatibility | 21700 lithium-ion battery cells, automated assembly lines |
Why Choose Our 21700 Battery Set?
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Pre-Nickel-Plated Steel Durability: Corrosion-resistant pre-nickel-plated steel shell ensures long-term structural stability, even in high-humidity or harsh operating environments—ideal for industrial and consumer battery applications.
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Safety-First Explosion-Proof Cap: Built-in pressure relief mechanism prevents overheating and explosion risks, complying with UN38.3 and IEC 62133 safety standards for lithium-ion batteries.
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Precision Insulation Pads: High-temperature-resistant upper & lower insulation pads eliminate short-circuit risks, enhancing battery electrical stability during charging and discharging cycles.
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Seamless Assembly Compatibility: Standardized 21700 dimensions (21mm * 70mm) perfectly fit automated assembly lines, reducing labor costs and assembly errors for mass production.
Whether you’re scaling up production or launching a new product, our 18650 battery case set provides the reliability and convenience you need. Contact our sales team today to get a competitive quote, discuss customization, or learn more about how we can support your project!
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