Cell Lab 18650 Battery Steel Cases [Anti-Explosion Cap, 100 pcs] – Nickel-Plated Cylindrical Cell Housing for Safe Battery Assembly
Cell Lab 18650 Battery Steel Cases [Anti-Explosion Cap, 100 pcs] – Nickel-Plated Cylindrical Cell Housing for Safe Battery Assembly High-integrity nickel-plated steel cases with safety vent and insulation rings for lithium-ion cell fabrication The Cell Lab 18650 Battery Steel Cases...
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Description
xCell Lab 18650 Battery Steel Cases [Anti-Explosion Cap, 100 pcs] – Nickel-Plated Cylindrical Cell Housing for Safe Battery Assembly
High-integrity nickel-plated steel cases with safety vent and insulation rings for lithium-ion cell fabrication
The Cell Lab 18650 Battery Steel Cases are precision-engineered cylindrical housings designed for safe lithium-ion battery assembly and research use. Each case includes a built-in anti-explosion top cap, PTC thermistor, and insulation rings, providing reliable thermal and pressure protection during charge-discharge cycling.
Constructed from nickel-plated A3 steel, these cases offer high mechanical strength, corrosion resistance, and compatibility with most cathode/anode chemistries. The integrated pressure relief valve activates at 2.5 MPa, ensuring secure venting under abnormal conditions without rupturing the cell body.
Perfect for battery R&D laboratories, prototype production, and pilot-line assembly, this 100-piece pack enables consistent, repeatable, and safe cell fabrication.
Key Features
Built-In Anti-Explosion Cap
Pressure-activated safety valve opens at 2.5 MPa to prevent casing rupture and ensure user safety.
Top & Bottom Insulation Rings
High-grade nylon rings provide strong electrical insulation and heat resistance during welding and sealing.
Integrated PTC Thermistor
Automatically interrupts current above 120 °C, reducing risks of overheating, short-circuiting, or thermal runaway.
Nickel-Plated Steel Construction
Made from corrosion-resistant A3 steel with durable nickel plating for long-term stability and conductivity.
Bulk Packaging for Lab & Pilot Use
Supplied in packs of 100, ideal for small-batch prototyping and battery research environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| SKU | CL0220 |
| Pack Size | 100 pcs |
| Case Dimensions (OD × ID × H) | 18 mm × 17.5 mm × 67 mm |
| Top Cap Dimensions (D × H) | 17.5 mm × 4.05 mm |
| Cap Valve Open Pressure | 2.5 MPa |
| Top Insulator Dimensions | Ø 12.5 mm × 0.19 mm |
| Bottom Insulator Dimensions | Ø 12.5 mm × 0.19 mm |
| Net Weight per Case | 9.50 g |
| Materials | Nickel-plated A3 steel, nylon insulation |
| Safety Features | Anti-explosion valve, PTC thermistor |
Applications & Industries
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Lithium-ion battery R&D and prototyping
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Coin and cylindrical cell fabrication
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Pilot-scale production and safety testing
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Battery pack assembly and academic research
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Energy storage and portable electronics
Usage Notes
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Ensure correct polarity alignment during assembly to prevent short circuits.
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For best sealing results, apply uniform crimping pressure under controlled temperature conditions.
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Images are for reference only; minor variations may occur between batches.
FAQ
Q1: Are these cases compatible with standard 18650 jelly rolls?
Yes. They are designed to fit standard 18650 electrode rolls used in lithium-ion battery R&D.
Q2: Does each case include the PTC and vent cap pre-installed?
Yes, the top cap assembly comes integrated with both components.
Q3: Can these cases be used for rechargeable lithium-ion cells?
Absolutely — they are specifically made for rechargeable lithium-ion and LiFePO₄ prototypes.
Q4: Are insulation rings reusable?
Re-use is not recommended; replacing them ensures optimal insulation and sealing.
Q5: Is nickel-plating necessary for lab assembly?
Yes, nickel plating provides superior conductivity and corrosion resistance compared to bare steel.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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