GUANGDONG XWELL TECHNOLOGY CO., LTD.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 100000pcs/month |
| Delivery Time | 5-7working days |
| Packaging Details | Carton |
| Model | 21700 |
| diameter | 21mm |
| length | 70mm |
| customizable | assist |
| Nickel Plating Thickness | 0.5-2μm |
| Hardness | HV ≥ 180 |
| Brand Name | XWELL |
| Model Number | 21700 |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 100000pcs/month |
| Delivery Time | 5-7working days | Packaging Details | Carton |
| Model | 21700 | diameter | 21mm |
| length | 70mm | customizable | assist |
| Nickel Plating Thickness | 0.5-2μm | Hardness | HV ≥ 180 |
| Brand Name | XWELL | Model Number | 21700 |
| Certification | CE | Place of Origin | China |
| High Light | 18650 steel shell battery ，pre-nickel plated lithium battery ，AAA cylindrical battery accessories | ||
Our pre-nickel plated cylindrical battery steel shells are key accessories for 3.7V new energy lithium batteries, available in 18650, AA, and AAA models. Crafted from high-grade cold-rolled steel with advanced nickel-plating technology, they combine structural robustness, corrosion resistance, and reliable electrical performance. Designed to protect battery cores and ensure stable operation, these shells are widely trusted in consumer electronics, household appliances, and new energy device manufacturing.
| Item | 18650 Model | AA Model | AAA Model | General Standard |
|---|---|---|---|---|
| Outer Diameter | 18.0±0.02mm | 14.5±0.02mm | 10.5±0.02mm | - |
| Inner Diameter | 17.2±0.02mm | 13.7±0.02mm | 9.7±0.02mm | - |
| Height | 65.0±0.05mm | 50.5±0.05mm | 44.5±0.05mm | - |
| Wall Thickness | 0.4±0.01mm | 0.4±0.01mm | 0.35±0.01mm | - |
| Material | SPCC Cold-Rolled Steel | SPCC Cold-Rolled Steel | SPCC Cold-Rolled Steel | SPCC |
| Nickel Plating Thickness | 0.5-2μm | 0.5-2μm | 0.5-2μm | RoHS Compliant |
| Hardness | HV ≥ 180 | HV ≥ 180 | HV ≥ 170 | ASTM E384 Standard |
These battery steel shells are ideal for 3.7V cylindrical lithium batteries used in:
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 in 2... 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 in 2...
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