21700 Tabless Cells
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Original price was: $7.99.$3.49Current price is: $3.49.
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- Original 2170 Lithium ion Battery.
- Taless Battery Technology.
- NCA Ternary Lithium Materials.
- 21700 Tabless Battery Cell.
- 21700 High Drain 40A.
- 21700 High Capacity 5000mAh.
- 10C More Max. Continuous Discharge Rate.
21700 Tabless Cells
| Model | 21700-50XG |
| Nominal Capacity | 5000mAh |
| Charge: 0.5C(2.5A), 4.2V, 100mA cut-off | |
| Discharge: 0.2C(1000mA), 2.5V cut-off | |
| 1C=5000mA | |
| Minimum Capacity | 4950mAh |
| Charge: 0.5C(2.5A), 4.2V, 100mA cut-off | |
| Discharge: 0.2C(1000mA), 2.5V cut-off | |
| 1C=5000mA | |
| ACIR | ≤4mΩ, (25±3℃, 30%SOC, 1kHz) |
| Standard Charge | CCCV, 2.5A, 4.2V, 100mA cut-off |
| Nominal Voltage | 3.6V |
| Max. Charge Current | 15A |
| Max. Continuous Discharge Current | 40A (without temperature cut-off) |
| 90A (with 75℃ temperature cut-off) | |
| Pulse Discharge Current | 140A, 3s |
| Discharge Cut-off Voltage | 2.5V |
| Cycle Life | Capacity≥60% initial capacity @500cycles |
| Charge: 6A, 4.2V, CCCV 100mA cut-off @RT | |
| Discharge:40A, 2.5V or 75℃ cut-off @RT | |
| Operating Ambient Temperature | Charge: 0~40℃ |
| Discharge: -20~60℃ | |
| Operating Surface Temperature | Charge: 0~60℃ |
| Discharge: -20~80℃ | |
| Cell Weight | 75.0g Max. |
| Cell Dimension | Diameter: 21.50mm Max. |
| Height: 70.50mm Max. |
Tabless battery technology represents a significant architectural shift in cylindrical lithium-ion cell design, moving away from traditional "tabs" to a continuous contact system. In a standard battery, a small metal tab connects the internal electrode to the external casing, creating a bottleneck for electrical flow and a primary source of heat. In contrast, "tabless" designs utilize the entire edge of the electrode foil to conduct current, dramatically reducing internal resistance and improving thermal management.
The industry gained major momentum with the introduction of the Tesla 4680 Tabless cell, which proved that larger form factors could maintain high performance without overheating. By removing the tab, the 4680 tabless structure allows electrons to travel a much shorter distance, resulting in faster charging speeds and higher power output. This breakthrough has paved the way for smaller high-power formats, most notably the 21700 tabless cells now entering the market.
Manufacturers are now applying this logic to specialized high-performance models. For instance, the 21700-JP40 and the 21700-45D leverage this architecture to provide extreme discharge rates for professional power tools and racing drones. Similarly, high-capacity versions like the 21700-50PL and 21700-RS50 utilize tabless connections to balance high energy density with cooler operating temperatures. By eliminating the thermal constraints of traditional tabs, these cells offer a more reliable and efficient energy solution for the next generation of electric mobility and industrial applications.
The industry gained major momentum with the introduction of the Tesla 4680 Tabless cell, which proved that larger form factors could maintain high performance without overheating. By removing the tab, the 4680 tabless structure allows electrons to travel a much shorter distance, resulting in faster charging speeds and higher power output. This breakthrough has paved the way for smaller high-power formats, most notably the 21700 tabless cells now entering the market.
Manufacturers are now applying this logic to specialized high-performance models. For instance, the 21700-JP40 and the 21700-45D leverage this architecture to provide extreme discharge rates for professional power tools and racing drones. Similarly, high-capacity versions like the 21700-50PL and 21700-RS50 utilize tabless connections to balance high energy density with cooler operating temperatures. By eliminating the thermal constraints of traditional tabs, these cells offer a more reliable and efficient energy solution for the next generation of electric mobility and industrial applications.
| 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 |
Founded in 2006, Tenpower has established itself as a global leader in the development and manufacture of high-performance cylindrical lithium-ion battery cells. With over 10 billion units shipped worldwide, the company is a critical tier-one supplier for diverse industries, including power tools, micro-mobility, and smart appliances. Tenpower's growth is driven by a "quality-first" philosophy and a deep investment in electrochemical research.
Innovation is central to Tenpower's current trajectory, particularly in the advancement of 21700 tabless cells. This design significantly reduces internal impedance and enhances thermal efficiency, allowing for higher discharge rates and faster charging. A standout in this category is the Tenpower 50XG 21700, which combines a 5000mAh capacity with extreme power density. Capable of a 40A continuous discharge, the 50XG 21700 is engineered for demanding applications like electric motorcycles and professional industrial equipment.
By focusing on scalable manufacturing and rigorous quality control, Tenpower continues to push the boundaries of what is possible in energy storage. The brand remains dedicated to empowering innovators by providing reliable, high-power solutions that bridge the gap between material science and real-world performance.
Innovation is central to Tenpower's current trajectory, particularly in the advancement of 21700 tabless cells. This design significantly reduces internal impedance and enhances thermal efficiency, allowing for higher discharge rates and faster charging. A standout in this category is the Tenpower 50XG 21700, which combines a 5000mAh capacity with extreme power density. Capable of a 40A continuous discharge, the 50XG 21700 is engineered for demanding applications like electric motorcycles and professional industrial equipment.
By focusing on scalable manufacturing and rigorous quality control, Tenpower continues to push the boundaries of what is possible in energy storage. The brand remains dedicated to empowering innovators by providing reliable, high-power solutions that bridge the gap between material science and real-world performance.
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