21700 Cylindrical Cell Cases
Technical Parameters
| Model | STC-CGK-21700 |
| Material | Nickel plated steel |
| Height | 73.65±0.05mm |
| External diameter | 21.60±0.05mm |
| Inner diameter | 21.10±0.05mm |
| Thickness of case wall | 0.20±0.02mm |
| Thickness of nickel coating | 2~7μm |
| R angle | 0.70±0.10mm |