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21700 Cells in stock Max Discharge 45A 3.6V INR21700-40XG Full Tab Cell Design MSDS Lithium Battery Shipping

21700 Cells in stock Max Discharge 45A 3.6V INR21700-40XG Full Tab Cell Design MSDS Lithium Battery Shipping

Brand Name: EMB
Model Number: INR21700-40XG
MOQ: 130
Price: $1.56
Packaging Details: 130pcs/Carton box
Payment Terms: T/T
Detail Information
Place of Origin:
China
Certification:
UN38.3/CE/UL/IEC62133/KC/BIS
Terminal Type:
Full Tab
Key Feature:
Ultra-low Internal Resistance, High Rate Capability, Low Temperature Rise
Capacity:
Typical 4000mAh (14.4Wh) Minimum 4000mAh (14.4Wh)
Voltage:
Nominal 3.6V Charge 4.2V Discharge 2.5V
Supply Ability:
500K/Month
Highlight:

21700 45A discharge cell

,

3.6V INR21700-40XG battery

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full tab cylindrical cell

Product Description
21700 Cells in stock Max Discharge 45A 3.6V INR21700-40XG Full Tab Cell Design MSDS Lithium Battery Shipping

Our INR21700-40XG 21700 is a top-tier rechargeable lithium-ion cell built to provide stable, long-lasting power. With 4000mAh capacity and up to 45A continuous discharge, it perfectly fits medium-to-high power applications, offering reliable operation and prolonged working hours.

Cell Characteristics
Specification Value
Capacity Typical 4000mAh (14.4Wh) Minimum 4000mAh (14.4Wh)
Cell Voltage Nominal 3.6V Charge 4.2V Discharge 2.5V
Continuous Charge Current Standard 2A Maximum 12A
Continuous Discharge Current Maximum 45A
Ambient Temperature Charge 0~45℃ Discharge -20~60℃
Impedance ≤3.5mΩ
Weight 70g
Dimension 70.50mm(Max) * 21.50mm(Max)
Cycle life 600cycle(60%)
Key Features
  • Ultra-low internal impedance: Its full-tab design shortens the current collecting route, cutting down internal resistance greatly when compared with standard cylindrical cells
  • Excellent Thermal Management: The uniform current distribution results in low and even heat generation
  • High Discharge Rate: Rated for 45A continuous discharge, perfectly suited for medium and high power draw 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: Great versatility for integration into numerous electronic hardware solutions
Applications
  • Aerospace: Provides lightweight, high-energy-density batteries for spacecraft, drones, UAV, and model aircraft
  • Robotics: Supplies continuous power for high-load robots
  • Lightweight Power Equipment: Assists with power for electric motorcycles, snowmobiles, electric bicycles, and other lightweight power tools
  • Power Tools: Delivers high burst power for drills, angle grinders, electric saws, blow dryers, and other high-current tools
  • Cleaning Appliances: Provides stable and lasting power for vacuum cleaners, mite removers, floor washers, steam mops, garden tools, and more, ensuring work efficiency and long battery life.
  • Medical Electronics: Provides highly reliable power for life monitors, portable medical devices, and more
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 200-500 cycles before noticeable capacity reduction - recycle at end of life
  • Do not crush, incinerate, or modify batteries
  • Only use within manufacturer specifications
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

M
Modeste
Ireland Sep 28.2026
They look great and are very practical to use. The quality is impressive, and they’re a great choice for my projects. Overall, a lovely product that does exactly what I need. Very happy with my purchase!
V
Velentas
Italy Mar 2.2026
Questa batteria con 5000mAh, buona scarica da 80A, mi piace questa batteria
A
A*u
Germany Nov 7.2025
The packaging was good, nothing was damaged. I waited for over a month to receive the goods, and the battery cells are good.