21700 Tabless
| Model No. | INR21700-RS50 |
| Standard Discharge Capacity | Min. 4950mAh |
| Charge: 0.5C(2.5A) CCCV 4.2V, 100mA cut-off, 25±3℃, rest 30min. | |
| Discharge: 0.2C(1.0A), 2.5V cut-off, 25±3℃. 1C=5.0A. | |
| ACIR | ≤4.0mΩ @1kHz |
| Nominal Voltage | 3.6V |
| End-of-charge Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.5V |
| Standard Charge Current | 2.5A |
| Standard Discharge Current | 1.0A |
| C-rate Charge | 8A |
| Max. Continuous Charge Current | 15A |
| Max. Continuous Discharge Current | 70A (with 80℃ temperature cut-off) |
| Operating (Cell Surface) Temperature | Charge: 0℃~60℃ |
| Discharge: -40℃~80℃ | |
| Storage Temperature | 1 Year: -20℃~25℃ |
| 3 Months: -20℃~45℃ | |
| 1 Month: -20℃~60℃ | |
| Cell Weight | ≤67.0g |
| Cell Dimension | Diameter: 21.35mm Max. |
| Height: 70.30mm Max. |
| Tabless Models | Reference |
| INR18650-JP30 | 18650 Tabless Battery |
| INR18650-30PL | Tabless 18650 Battery |
| INR18650-30XG | Tabless Battery 18650 |
| INR21700-RS40 | 21700 Tabless Cell |
| INR21700-40PL | 21700 Tabless Battery |
| INR21700-JP40 | Tabless 21700 Cells |
| INR21700-40XG | Tabless 21700 40XG Battery |
| INR21700-40P | Tabless Lithium Cell |
| INR21700-42P | Tabless Li ion Cells |
| INR2170-45D | Tabless 21700 Battery |
| INR2170-50D | Tabless 21700 50D Battery |
| INR21700-50PL | Tabless 21700 |
| INR21700-RS50 | 21700 Tabless |
| INR21700-50XG | 21700 Tabless Cells |
| INR21700-RH60 | Tabless Cells 21700 |
| 4680 Tesla Battery | 4680 Tabless Battery |
Committed to powering the next generation of energy storage, Reliance Battery stands at the forefront of innovation with its advanced 21700 tabless cylindrical cells. This proprietary tabless cylindrical cells technology represents a fundamental shift in battery design, directly addressing the limitations of traditional formats. By eliminating the conventional tab, a primary source of internal resistance and failure, Reliance Battery unlocks unprecedented levels of performance, safety, and longevity.
The 21700 tabless platform delivers superior energy density and dramatically lower internal resistance. This translates into faster charging capabilities, higher power output for demanding applications, and exceptional thermal stability, significantly enhancing overall battery safety. These robust cells are engineered to meet the rigorous demands of various sectors, including high-performance electric vehicles, advanced consumer electronics, and large-scale renewable energy storage systems.
By integrating this cutting-edge tabless cylindrical cells architecture, Reliance Battery is not just manufacturing a component but providing a foundational power solution. The company is dedicated to pushing the boundaries of what is possible, ensuring reliability and efficiency for a more sustainable and electrified future.
The 21700 tabless platform delivers superior energy density and dramatically lower internal resistance. This translates into faster charging capabilities, higher power output for demanding applications, and exceptional thermal stability, significantly enhancing overall battery safety. These robust cells are engineered to meet the rigorous demands of various sectors, including high-performance electric vehicles, advanced consumer electronics, and large-scale renewable energy storage systems.
By integrating this cutting-edge tabless cylindrical cells architecture, Reliance Battery is not just manufacturing a component but providing a foundational power solution. The company is dedicated to pushing the boundaries of what is possible, ensuring reliability and efficiency for a more sustainable and electrified future.








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