Guangdong XWELL New Energy Technology CO., LTD.
| Payment Terms | T/T,Western Union,L/C,D/A,D/P |
| Supply Ability | 10000 pcs per month |
| Delivery Time | 5-7 days |
| Packaging Details | Carton |
| Type | Pre-Slotted 21700 shell |
| Model | lithium battery Cell case for 21700 |
| Shell Material | Pre-nickel plated steel |
| Shell Wall Thickness | 0.2-0.3mm |
| Explosion-Proof Cap Relief Pressure | 1.2-1.5MPa |
| Insulation Thickness | 0.18-0.22mm |
| Brand Name | XWELL |
| Model Number | 21700 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,Western Union,L/C,D/A,D/P | Supply Ability | 10000 pcs per month |
| Delivery Time | 5-7 days | Packaging Details | Carton |
| Type | Pre-Slotted 21700 shell | Model | lithium battery Cell case for 21700 |
| Shell Material | Pre-nickel plated steel | Shell Wall Thickness | 0.2-0.3mm |
| Explosion-Proof Cap Relief Pressure | 1.2-1.5MPa | Insulation Thickness | 0.18-0.22mm |
| Brand Name | XWELL | Model Number | 21700 |
| Place of Origin | China | ||
| High Light | 21700 pre-nickel coated battery shell ，pre-slotted battery shell with insulation ，explosion-proof battery cap with gaskets | ||
Our all-in-one 21700 battery shell set combines a pre-slotted pre-nickel coated steel shell, explosion-proof cap, and dual insulation gaskets/pads—engineered for efficient assembly and maximum safety of cylindrical lithium batteries. The pre-slotted design aligns electrode tabs effortlessly, while the pre-nickel coating enhances weldability and conductivity. Crafted for 21700 standard dimensions (21mm diameter × 70mm height), this set is ideal for EVs, energy storage systems, electric tools, and portable electronics, streamlining production and ensuring reliable battery performance.
✅ Pre-Slotted & Pre-Nickel Coated: 2-4 precision slots (1.5-2.0mm width) eliminate tab alignment errors; 3-5μm nickel plating enables fast welding and anti-corrosion.
✅ All-In-One Safety Kit: Explosion-proof cap (1.2-1.5MPa pressure relief) + double insulation gaskets/pads prevent short circuits and leakage.
✅ High-Strength Material: 304 stainless steel shell (0.25-0.35mm wall thickness) resists deformation and dissipates heat efficiently.
✅ Perfect Compatibility: Strictly fits 21700 lithium batteries, compatible with automated assembly lines.
✅ Ready-to-Use: Pre-matched components save assembly time by 35%, reducing production costs.
| Parameter | Specification |
|---|---|
| Product Model | Pre-Slotted 21700 Battery Shell Set |
| Shell Material | 304 Stainless Steel (Pre-Nickel Coated) |
| Nickel Plating Thickness | 3-5μm |
| Slot Quantity/Size | 2-4 slots, 1.5-2.0mm width (customizable) |
| Dimensions | 21mm (D) × 70mm (H) |
| Shell Wall Thickness | 0.25-0.35mm |
| Explosion-Proof Cap Relief Pressure | 1.2-1.5MPa |
| Insulation Material | Flame-Retardant PP (UL94 V-0) |
| Insulation Thickness | 0.18-0.22mm |
| Packaging | 100 sets/carton, moisture-proof packaging |
1.Stable Supply Capacity: Annual output 300 million sets, supporting bulk orders with 10-20 days delivery.
2.Strict Quality Control: 100% inspection for dimensions, plating, pressure resistance, and insulation—COA provided.
3.Customization Support: Tailor slot quantity/size, plating thickness, and insulation material.
4.Free Samples: Offer 5-10 sets free samples for performance testing.
5.Global Logistics: Cooperate with major shipping lines, support sea/air shipping and customs clearance.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2016
Total Annual:
3000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
GUANGDONG XWELL TECHNOLOGY CO., LTD. is a high-tech enterprise specializing in intelligent equipment design, production and sales, providing mechanical engineering technology design and consulting services, electronic engineering design and consulting services. XWELL's core team was established ... GUANGDONG XWELL TECHNOLOGY CO., LTD. is a high-tech enterprise specializing in intelligent equipment design, production and sales, providing mechanical engineering technology design and consulting services, electronic engineering design and consulting services. XWELL's core team was established ...
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