Tabless 21700
| Model No. | INR21700-50PL | |
| Type | Lithium-ion rechargeable cell | |
| Standard Discharge Capacity | 5000mAh | Nominal |
| 4800mAh | Minimum | |
| 2.5A(0.5C), 4.20V, CCCV 0.1A cut-off | Charge | |
| 1A(0.2C), 2.50V cut-off | Discharge | |
| Nominal Voltage | 3.60V | |
| Standard Charge | CCCV, 2.5A(0.5C), 4.20±0.05V, 0.1A cut-off | |
| Maximum Charge | CCCV, 10A(2.0C), 4.20±0.05V, 0.1A cut-off | |
| Standard Discharge | 1A(0.2C), 2.50V cut-off | |
| Maximum Discharge | 125A(25C), 2.50V cut-off | |
| Pulse Discharge | 180A(36C), discharge 2s | |
| Charge/Discharge Voltage Range | 4.20~2.50V | |
| Cell Weight | 72.0g Max. | |
| Cell Dimensions | Height: 70.15±0.15mm | |
| Diameter: 21.15±0.10mm |
The tabless battery represents a significant leap forward in lithium-ion technology. If you are asking, What is Tabless Battery? It’s an innovative design that eliminates the traditional electrode foil tabs found in conventional cylindrical cells. These tabs, typically connected at only one or two points, are a bottleneck for current flow. In contrast, a tabless battery connects the entire circumference of the electrode to the terminal, creating hundreds of conductive pathways.
This revolutionary construction is particularly impactful in high-performance formats like the 21700 tabless cell. By maximizing the surface area for current collection, 21700 tabless cells drastically reduce the internal resistance of the battery. This reduction translates directly into superior performance metrics:
This revolutionary construction is particularly impactful in high-performance formats like the 21700 tabless cell. By maximizing the surface area for current collection, 21700 tabless cells drastically reduce the internal resistance of the battery. This reduction translates directly into superior performance metrics:
- Higher Power Output: The ability to discharge current more efficiently means a higher continuous power output. This is crucial for applications like electric vehicles and high-draw power tools.
- Reduced Heat Generation: Lower resistance minimizes energy loss as heat. Operating cooler enhances the safety and longevity of the tabless 21700 cell.
- Improved Energy Density: The efficient design of the tabless 21700 cells allows for better overall packaging and energy utilization.
| 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 |
EVE Energy introduces its groundbreaking tabless 21700 lithium-ion battery, setting a new standard for performance in high-drain applications. Utilizing an innovative internal structure, this state-of-the-art cell dramatically reduces internal resistance, resulting in cooler operation and superior power delivery compared to conventional designs.
This high-power 21700 cell (such as the EVE 40PL or 50PL) is the ideal energy storage solution for manufacturers and builders requiring both exceptional capacity and an extreme continuous discharge rate. Its ability to maintain stable performance under heavy loads makes it perfect for electric vehicles (EVs), advanced e-bikes, professional-grade power tools, and custom high-performance battery packs.
The EVE tabless technology ensures a better power-to-weight ratio and enhanced cycle life, enabling lighter, more reliable, and longer-lasting products. EVE Energy is committed to innovation, providing customers with the highest quality, professional-grade lithium battery technology for their most demanding energy needs. Experience the unmatched efficiency of EVE's tabless design today.
This high-power 21700 cell (such as the EVE 40PL or 50PL) is the ideal energy storage solution for manufacturers and builders requiring both exceptional capacity and an extreme continuous discharge rate. Its ability to maintain stable performance under heavy loads makes it perfect for electric vehicles (EVs), advanced e-bikes, professional-grade power tools, and custom high-performance battery packs.
The EVE tabless technology ensures a better power-to-weight ratio and enhanced cycle life, enabling lighter, more reliable, and longer-lasting products. EVE Energy is committed to innovation, providing customers with the highest quality, professional-grade lithium battery technology for their most demanding energy needs. Experience the unmatched efficiency of EVE's tabless design today.






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