21700 Cylindrical Battery Housing Set - Pre-Nickel-Plated Steel Shell + Safety Explosion-Proof Cap + Insulation Pads
Datos del producto:
| Lugar de origen: | Porcelana |
| Nombre de la marca: | XWELL |
| Número de modelo: | 21700 |
Pago y Envío Términos:
| Cantidad de orden mínima: | 100 Uds. |
|---|---|
| Precio: | USD $0.1~$1000 |
| Detalles de empaquetado: | caja de cartón |
| Tiempo de entrega: | 5-7 días |
| Condiciones de pago: | T/T, Western Union, L/C, D/A, D/P |
| Capacidad de la fuente: | 10000 pcs por mes |
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Información detallada |
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| Tipo: | 21700 | Modelo: | Caja de batería de litio para 21700 |
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| Material de la carcasa: | Acero preniquelado | Espesor de la pared: | Acero preniquelado (grosor de la capa de níquel: ≥0,5μm) |
| Compatibilidad: | 21700 celdas de batería de iones de litio, líneas de montaje automatizadas | Componente de seguridad: | Tapa de seguridad a prueba de explosiones |
Descripción de producto
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.
- 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 |
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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!



