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Samsung INR21700-40T 21700 Flat-Top Li-Ion Battery 3.6V 4000mAh (INR2170040T)

Samsung INR21700-40T 21700 Flat-Top Li-Ion Battery 3.6V 4000mAh (INR2170040T)
Samsung INR21700-40T 21700 Flat-Top Li-Ion Battery 3.6V 4000mAh (INR2170040T)
R771
For high-drain devices that demand reliable power, the Samsung INR21700-40T 21700 battery delivers 4000mAh capacity and 30A continuous discharge. It is a flat-top, unprotected Li-ion cell suited for battery packs, power tools, e-bikes, and high-performance flashlights.Key specificationsBattery techn... Read More
Stock 40 Code 3571456 Brand SAMSUNG Model INR2170040T Warranty 2 Years

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For high-drain devices that demand reliable power, the Samsung INR21700-40T 21700 battery delivers 4000mAh capacity and 30A continuous discharge. It is a flat-top, unprotected Li-ion cell suited for battery packs, power tools, e-bikes, and high-performance flashlights.

Key specifications

  • Battery technology: Lithium-ion (NCA)
  • Nominal voltage: 3.6 V
  • Nominal capacity: 4000 mAh
  • Max continuous discharge: 30 A
  • Terminal type: Flat top
  • Protection circuit: Unprotected
  • Form factor: 21700

Why choose it

This cell offers high energy density and stable voltage under load, making it a solid choice for custom battery builds and replacements.

Ideal use cases

  • High-drain portable electronics
  • Battery pack assembly
  • Electric bicycles and scooters
  • High-performance flashlights

Good to know

Unprotected cells require careful handling and should only be used with a proper battery management system or protected device.

Specifications
Battery technology
Lithium-ion (NCA)
Battery voltage
3.6 V
Brand
Samsung
Category
Battery
Classification of battery
Unprotected
Composition of battery
NCA
EAN
4053199966080
Embeeded battery
No
Model
INR21700-40T
MPN
INR2170040T
Other features
Flat top, 30A max continuous discharge, 4000mAh capacity, unprotected
Product type
Battery
Type
Battery
Type of battery
Li-ion
Weight
0.07 kg
Price history over the last 6 months
Samsung INR21700-40T 21700 Flat-Top Li-Ion Battery 3.6V 4000mAh (INR2170040T)
Current
R771
Lowest
R759
Highest
R771
Change 24H
+R12   +2%
Week
—   
Month
—   

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