21700 Cylindrical Battery Housing Set - Pre-Nickel-Plated Steel Shell + Safety Explosion-Proof Cap + Insulation Pads
Price:
USD $0.1~$1000
MOQ:
100pcs
Delivery Time:
5-7 days
Brand:
XWELL
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?
-
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.
-
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.
-
Precision Insulation Pads: High-temperature-resistant upper & lower insulation pads eliminate short-circuit risks, enhancing battery electrical stability during charging and discharging cycles.
-
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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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangdong XWELL New Energy Technology CO., LTD.
Location
Room 316, Building 3, No. 801, Qiaoxing Avenue, Xiaoluo Village, Shatou Street, Panyu District, Guangzhou
Contact Person
Sammy Qin