Products Description
Xiaowei offers various cylindrical batteries (4680,18650,21700,26650 etc.) shells/cases and caps, safety valves, sealed O-rings, insulating gaskets, sub-assemblies of safety valve structures. A full set of cylinder battery procurement – Xiaowei New Energy
Provide a variety of new energy battery materials.
- Lithium battery;
- Sodium battery;
- Solid-state battery;
- Battery auxiliary materials;
- Battery research machine;
- Battery Production Machine;
Technical Parameters
|
4680 Cylindrical Cell Battery |
|
|
Cell Case |
Stamped and drawn nickel plated stainless |
|
Diameter |
46mm |
|
Height |
80mm |
|
Thick |
0.55mm |
|
18650 Cylindrical Cell Battery |
|
|
Case Dimensions |
18mm(OD) x 17.5mm(ID) x 67mm(H) |
|
Top Cap |
· Dimensions: 17.5m(D) x 4.05mm(H) Safety valve’s open pressure: 2.5MPa (the cap valve will open to release interior high pressure if over 2.5MPa to ensure no explosion from the can) |
|
Top Insulator |
Dimensions: 12.5mm(Dia) x 0.19m(H) |
|
Bottom Insulator |
Dimensions: 12.5mm(Dia) x 0.19m(H) |
|
Net Weight |
9.50 g/pcs |
|
32140 Cylindrical Cell Battery |
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Main Dimension |
Item(mm) |
Min |
Max |
Item(mm) |
Min |
Max |
|
External diameter Φ33.0±0.05 |
32.95 |
33.05 |
Internal diameter Φ32.4±0.05 |
32.35 |
32.45 |
|
|
Cylinder wall thickness 0.30(±0.05,0) |
0.30 |
0.35 |
Total height 144±0.1 |
143.9 |
144.1 |
|
|
Bottom wall thickness 0.50 |
0.50 |
Thickness of plating layer in the middle of the shell≥2.5um |
2.5um |
– |
||
|
Bottom diameter Φ25.0±0.05 |
24.95 |
25.05 |
Bottom diameter height 0.15 |
0.15 |
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Please contact Xiaowei for more reference on cylinder battery size!
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