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INR21700-40T 21700 Cylindrical Cells 3.6V 4000mAh 35A Lithium Ion Cell
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INR21700-40T 21700 Cylindrical Cells 3.6V 4000mAh 35A Lithium Ion Cell
  • Name
  • Name
  • Name

INR21700-40T 21700 Cylindrical Cells 3.6V 4000mAh 35A Lithium Ion Cell

Brand Name: EMB
Model Number: INR21700-40T
MOQ: 1
Price: $1.73
Packaging Details: 150pcs/Carton box
Payment Terms: T/T
Detail Information
Product Description
Detail Information
Place of Origin:
Tianjin
Certification:
UN38.3/CE/UL/IEC62133/KC/BIS
Document:
INR21700-40T3 Cell Specific...07.pdf
Cell Type:
Lithium-ion
Terminal Type:
Flat Top
Size:
21700（21mm X 70mm）
Dimensions:
21mm X 70mm
Model:
21700 Cylindrical Cells
Charging Method:
CC-CV
Supply Ability:
500K/Month
Highlight:

INR21700-40T 21700 Cylindrical Cells

,

4000mAh 21700 Cylindrical Cells

,

35A Lithium Ion Cell

Product Description
INR21700-40T 3.6V 4000mAh 35A Lithium Ion Cell 

The INR21700-40T Battery is a high-performance lithium-ion rechargeable power cell designed for long-lasting energy delivery and reliable performance. With a 4000mAh capacity and 35A maximum continuous discharge rate, this battery is ideal for medium- to high-demand applications, offering stable output and extended usage time.

Cell Characteristics
Specification Value
Capacity Typical 4000mAh (14.4Wh)
Cell Voltage Nominal 3.6V Charge 4.2V Discharge 2.5V
Continuous Charge Current Standard 2A Maximum 6A
Charge time Standard 150min
Continuous Discharge Current Maximum 35A
Ambient Temperature Charge 0 to 60℃
Discharge -20 to 60℃
Impedance ≤13mΩ
Weight 70g
Dimension 70.3mm(Max)*21.25mm(Max)
Cycle life 600cycle(60%)
Key Features
  • High Capacity: 4000mAh provides extended runtime before requiring recharge
  • High Discharge Rate: 35A continuous discharge, ideal for medium-to-high-drain applications
  • Lithium-Ion Chemistry: Provides stability, efficiency, and low internal resistance
  • Rechargeable & Long-Lasting: Supports multiple charge cycles with minimal degradation
  • Output Stability: Stable voltage curve during discharge ensures continuous power output
  • Compact 21700 Size: Universally compatible with a wide range of electronic devices
Applications
  • Flashlights: Ideal for high-lumen LED torches requiring consistent power
  • Medical Devices: Reliable power source for essential equipment
  • Power Banks & Backup Systems: Supports portable energy solutions
  • Lightweight Power Equipment: Auxiliary power for robotic vacuums, electric bicycles, scooters, and fishing boats
  • Power Tools: High burst power for drills, angle grinders, electric saws, and other high-current tools
Warning
  • Lithium-ion batteries require proper handling and knowledge to ensure safe operation
  • Failure to follow safety guidelines may result in fire, explosion, serious injury, or property damage
  • Only purchase and use if you fully understand lithium-ion battery safety
  • Never leave a battery unattended while charging
  • Keep away from animals and children
  • Prevent contact with metal objects (keys, coins, tools) to avoid short circuits
  • Inspect wraps and insulators regularly for damage - repair or dispose of damaged batteries immediately
  • Resellers must pass these warnings to customers
  • Typical cycle life of 250 cycles before noticeable capacity reduction - recycle at end of life
  • Do not crush, incinerate, or modify batteries
  • Only use within manufacturer specifications
Tags: 

Rechargeable Lithium Ion Battery  

Cylindrical Lithium Ion Battery  

Cylindrical Lithium Ion cell

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