21700 Battery Case
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21700 Battery Case

21700 battery case,18650 battery can, we improve the welding performance of the battery through strict size and stable quality, and reduce the internal resistance and self discharge rate of the battery. It is mainly used in automatic battery production line.

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Product Description

1. Product Introduction of 21700 Battery Case

This is an 21700 battery case, which is used to produce 21700 lithium batteries. It is positioned in the high-end power and energy storage battery market. The product has stable size and good consistency. The characteristics of k-treatment of pre plated nickel steel greatly improve the welding performance of the battery and reduce the internal resistance and self discharge rate of the battery. It is mainly used in the full-automatic battery production line. At present, our main customers are distributed in China, Malaysia and Germany.

2. Product Parameter (Specification) of 21700 Battery Case

Product Name: 21700  battery case
Model: 21700
Size (mm) 21.2*20.8*73.65
Wall thickness(mm) 0.2
Material brand: SPCC-BT-SD,BDCK
Packing size (mm) 550*330*300
Packing quantity (PCS) 1052
Gross packing weight (kg / box) 9
MOQ (PCS) 1052

3. Product Feature and Application of 21700 Battery Case

Our 21700 battery case adopts special customized stamping machine and imported alloy die. With the continuous drawing processing technology of thin plate and years of technical experience, the stamping die can realize micron adjustment and can be made into shells of various shapes to meet the technical requirements of vehicle power battery. For 20 years, we have been engaged in the production and research of professional electroplated battery steel shell and bottom cover, and always committed to the research on how to improve the electrical properties of battery steel shell coating. With rich technical experience and special process formula, we can obtain better coating, compactness, adhesion, weldability and anti-corrosion performance, which are at the leading level in China.

4. Product Details of 21700 Battery Case

In order to make the 21700 Battery Case meet the requirements of power battery, we use the most advanced high-speed and high-precision stamping machine with cooling to ensure the accuracy and quality requirements of products.

5. Product Qualification of 21700 Battery Case

We have the Puny testing report and SGS material report of this 21700 Battery Case.

6. Deliver,Shipping And Serving Of 21700 Battery Case

Delivery - our 21700 Battery Case delivery time is 7-10 days, and the delivery time of customized products is 14-25 days (depending on the delivery quantity)

Transportation - the nearest loading port is Shanghai. We can handle it by sea, train and air.

Service- We provide high-quality after-sales service. As long as we send email, we will try our best to solve the problem. Win win cooperation is our mission. We will help every cooperative customer improve the process requirements of the battery case.

7. FAQ

What is the material of 21700 Battery Case ?

Generally, the 21700 Battery Case is made of China Baosteel (bdck) and Japan Nippon Steel (spcc-bt-sd)


21700 Battery Case size standard?

We usually ask customers to provide 21700 Battery Case drawings for production. Of course, we can also provide customer technology to help customers use the best size.


What is the plating of 21700 Battery Case?

We have two processes:

1. Plate - press the battery case first - nickel plating - finished battery case

2. Nickel plated plate - Stamping battery case (finished product)


Can you put my logo on products?

Yes, we can print your logo on product and color box.


How long is the delivery date?

Our 21700 Battery Case, 21700 Battery Case, 26650 battery can, 32135 battery can and other series of battery can have a production capacity of 2 million / day, and can usually be delivered within 7 days, except for custom orders (depending on the production days of the mold).


FOB port:

Shanghai or Ningbo


What is the minimum order quantity of 21700 Battery Case?

The MOQ of our 21700 Battery Case is 2000 PCs. we can provide less than 10 samples free of charge before placing an order, and the freight can be borne by the buyer.

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