Tabless 21700

SKU: INR21700-50PL

Original price was: $9.99.Current price is: $3.69.

63% Off

  • Original 2170 Lithium ion Battery.
  • Taless Battery Technology.
  • Ternary Lithium Materials.
  • 21700 Tabless Battery Cell.
  • 21700 High Drain 125A.
  • 21700 High Capacity 5000mAh.
  • 20C More Max. Continuous Discharge Rate.
  • Comprehensive Door-to-Door Shipping Solutions.
  • International Seafreight to Destination Port. (Port of Discharge)
  • Air Freight, DDP(Delivered Duty Paid): 14~21 days, door-to-door.
  • Ocean Freight, FCA/FOB/CIF: Vary from 20 to 50 days depends on port of destination, port-to-port.
  • 12~36 Months Limited Warranty. (Excluding accident, misuse, abuse, neglect, unauthorized repairs or alterations, or normal wear and tear.)
1. Are lithium batteries considered hazmat for shipping?

Yes. Lithium batteries are classified as Class 9 Miscellaneous Dangerous Goods under international and national transportation regulations (such as the IATA DGR for air transport).
They are considered hazardous material (“hazmat”) for shipping because they pose a risk of:

  • Short Circuit: Which can lead to overheating.
  • Fire: If damaged, defective, or improperly packaged, they can catch fire.
  • Explosion: A fire can lead to a rapid release of energy.

Consequently, their shipment is strictly governed by specific packaging, labeling, documentation, and quantity restrictions based on the mode of transport (air, sea, ground).

2. Why is the shipping cost for lithium batteries higher?

Shipping costs for lithium batteries are high due to the significant risks and specialized handling they require.

The primary reasons are:

  • Hazardous Material (Dangerous Goods) Surcharges: Carriers add substantial fees to manage the inherent fire risk of lithium batteries.
  • Specialized Packaging: Mandatory use of non-conductive, fire-retardant, and damage-resistant packaging to prevent short circuits and thermal events.
  • Regulatory Compliance: Costs associated with required dangerous goods training, certified documentation, and specific labeling for each package.
  • Limited Carrier Options & Segregation: Fewer carriers accept lithium batteries, and they often must be stored separately, adding logistical complexity.

In short, the high cost directly reflects the safety measures needed to mitigate the risk of fire during transit.

In stock

Tabless 21700

Model No.INR21700-50PL
TypeLithium-ion rechargeable cell
Standard Discharge Capacity5000mAhNominal
4800mAhMinimum
2.5A(0.5C), 4.20V, CCCV 0.1A cut-offCharge
1A(0.2C), 2.50V cut-offDischarge
Nominal Voltage3.60V
Standard ChargeCCCV, 2.5A(0.5C), 4.20±0.05V, 0.1A cut-off
Maximum ChargeCCCV, 10A(2.0C), 4.20±0.05V, 0.1A cut-off
Standard Discharge1A(0.2C), 2.50V cut-off
Maximum Discharge125A(25C), 2.50V cut-off
Pulse Discharge180A(36C), discharge 2s
Charge/Discharge Voltage Range4.20~2.50V
Cell Weight72.0g Max.
Cell DimensionsHeight: 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:

  • 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.

The 21700 tabless battery is quickly becoming the new industry standard, offering an essential upgrade for any device demanding sustained, high-current performance. Manufacturers are adopting the tabless 21700 format to create next-generation battery packs that are both more powerful and more reliable.
Tabless ModelsReference
INR18650-JP3018650 Tabless Battery
INR18650-30PLTabless 18650 Battery
INR18650-30XGTabless Battery 18650
INR21700-RS4021700 Tabless Cell
INR21700-40PL21700 Tabless Battery
INR21700-JP40Tabless 21700 Cells
INR21700-40XGTabless 21700 40XG Battery
INR21700-40PTabless Lithium Cell
INR21700-42PTabless Li ion Cells
INR2170-45DTabless 21700 Battery
INR2170-50DTabless 21700 50D Battery
INR21700-50PLTabless 21700
INR21700-RS5021700 Tabless
INR21700-50XG21700 Tabless Cells
INR21700-RH60Tabless Cells 21700
4680 Tesla Battery4680 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.

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