Tabless 18650 Battery
| Model | INR18650-30PL |
| Chemistry | NMC |
| Standard Discharge Capacity | Min. 3000mAh |
| Charge: 1.5A(0.5C), 4.20V, CCCV 0.1A cut-off | |
| Discharge: 0.6A (0.2C), 2.50V cut-off | |
| 1C=3.0V | |
| Nominal Voltage | 3.65V |
| Standard Charge | 1.5A (0.5C), 4.20±0.05V, CCCV 0.1A cut-off |
| Max. Charge | 9.0A (3.0C), 4.20±0.05V, CCCV 0.1A cut-off |
| Standard Discharge | 0.6A (0.2C), 2.50V cut-off |
| Max. Discharge | 60A (20C), 2.50V with temperature cut-off |
| Charge/Discharge Voltage Range | 4.20~2.50V |
| Operating Ambient Temperature | Charge: 0℃~45℃ |
| Discharge: -20℃~60℃ | |
| Operating Surface Temperature | Charge: 0℃~45℃, T-recommended ＜45℃ |
| Discharge: -20℃~60℃, T-recom re-discharge release ＜60℃ | |
| Storage Temperature @Shipping SOC | 12 months, -20℃~25℃ |
| 3 months, -20℃~45℃ | |
| 1 month, -20℃~60℃ | |
| Cell Weight | 45.0±2.0g |
| Cell Dimensions | Diameter: 65.15±0.10mm |
| Height: 18.35±0.10mm |
The landscape of energy storage is undergoing a transformative shift with the introduction of the tabless 18650 battery and its larger counterparts. In a traditional lithium-ion cell, a small metal tab connects the electrode to the outer casing, acting as a narrow "gate" for electricity. This design creates a bottleneck, leading to higher internal resistance and concentrated heat generation during rapid discharge or charging cycles.
A tabless 21700 cell eliminates this structural inefficiency by replacing the single tab with a continuous conductive connection along the entire length of the electrode. By creating a "shingled" contact area, the electrical path is drastically shortened, and the surface area for electron flow is expanded. This innovation allows a 21700 tabless battery to maintain significantly lower temperatures even under heavy loads, which directly enhances both safety and the overall lifespan of the pack.
For professional applications ranging from high-performance power tools to electric vehicles, this architecture represents a leap in power density. By removing the thermal and electrical limitations of the traditional tab, manufacturers can now deliver cells that charge faster and provide more consistent power without the risk of overheating.
A tabless 21700 cell eliminates this structural inefficiency by replacing the single tab with a continuous conductive connection along the entire length of the electrode. By creating a "shingled" contact area, the electrical path is drastically shortened, and the surface area for electron flow is expanded. This innovation allows a 21700 tabless battery to maintain significantly lower temperatures even under heavy loads, which directly enhances both safety and the overall lifespan of the pack.
For professional applications ranging from high-performance power tools to electric vehicles, this architecture represents a leap in power density. By removing the thermal and electrical limitations of the traditional tab, manufacturers can now deliver cells that charge faster and provide more consistent power without the risk of overheating.
| 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 has established itself as a formidable force in the global lithium-ion industry, renowned for its rapid innovation and high-performance cylindrical cells. As a key player in the transition toward high-rate power solutions, the company has heavily invested in next-generation architectures, most notably the development of the tabless 18650 battery. This design significantly reduces internal resistance, allowing for cooler operation during extreme discharge cycles.
A prime example of this technology is the EVE 30PL 18650 battery, a 3000mAh cell capable of a staggering 60A maximum discharge, specifically engineered for professional power tools and drones. EVE’s expertise extends into the larger form factor with the 21700 tabless battery lineup, which offers superior energy density and thermal management. The EVE 21700 tabless series includes the highly acclaimed INR21700 40PL, which delivers 70A of continuous power, and the flagship INR21700 50PL. The 50PL model pushes the boundaries of the 21700 format, offering a massive 5000mAh capacity combined with an industry-leading discharge rating. Through these advancements, EVE Energy continues to provide reliable, cutting-edge power for the most demanding industrial applications.
A prime example of this technology is the EVE 30PL 18650 battery, a 3000mAh cell capable of a staggering 60A maximum discharge, specifically engineered for professional power tools and drones. EVE’s expertise extends into the larger form factor with the 21700 tabless battery lineup, which offers superior energy density and thermal management. The EVE 21700 tabless series includes the highly acclaimed INR21700 40PL, which delivers 70A of continuous power, and the flagship INR21700 50PL. The 50PL model pushes the boundaries of the 21700 format, offering a massive 5000mAh capacity combined with an industry-leading discharge rating. Through these advancements, EVE Energy continues to provide reliable, cutting-edge power for the most demanding industrial applications.
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