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Home > Products >
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21700 Cylindrical Battery Housing Set - Pre-Nickel-Plated Steel Shell + Safety Explosion-Proof Cap + Insulation Pads
All Category

Battery Pack Welding Machine

Battery Pack Production Machine

Battery Pack Testing Machine

Lithium Battery Spot Welding Machine

Battery Laser Welding Machine

Battery Raw Material

Ultrasonic Battery Welder

BMS Testing Machine

Battery Aging Machine

Battery Cell Sorting Machine

Battery Cell Grading Machine

Battery Cell Sticking Machine
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Mr. Sammy Qin
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+8618620492985
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21700 Cylindrical Battery Housing Set - Pre-Nickel-Plated Steel Shell + Safety Explosion-Proof Cap + Insulation Pads

Brand Name: XWELL
Model Number: 21700
MOQ: 100pcs
Price: USD $0.1~$1000
Packaging Details: Carton
Payment Terms: T/T,Western Union,L/C,D/A,D/P
Detail Information
Product Description
Detail Information
Place of Origin:
China
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
Supply Ability:
10000 pcs per month
Highlight:

21700 battery steel housing set

,

pre-nickel-plated battery shell

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explosion-proof battery cap set

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!

Tags: 

nickel strips for battery tabs  

18650 nickel strips for battery tabs  

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