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INR21700 50E2 Lithium Ion Battery Cell 3.63v 9.8A 4900mAh Stable Output
INR21700 50E2 Lithium Ion Battery Cell 3.63v 9.8A 4900mAh Stable Output
INR21700 50E2 Lithium Ion Battery Cell 3.63v 9.8A 4900mAh Stable Output
INR21700 50E2 Lithium Ion Battery Cell 3.63v 9.8A 4900mAh Stable Output
Specifications
Brand Name :
EMB
Model Number :
INR21700-50E2
Certification :
UN38.3/CE/UL/IEC62133/KC/BIS
Place of Origin :
Korea
MOQ :
1
Price :
$2.23
Payment Terms :
T/T
Supply Ability :
500K/Month
Delivery Time :
3-5 days
Packaging Details :
130pcs/Carton box
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
Description
INR21700 50E2 3.63v 4900mAh 9.8A lithium Ion battery

The INR21700-50E2 Battery is a high-performance lithium-ion rechargeable power cell designed for long-lasting energy delivery and reliable performance. With a 4900mAh capacity and 9.8A 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 4900mAh (17.78Wh)
Cell Voltage Nominal 3.63V Charge 4.2V Discharge 2.5V
Continuous Charge Current Standard 2450mA Maximum 4900mA
Charge time Standard 240min
Continuous Discharge Current Maximum 9800mA
Ambient Temperature Charge 0 to 45℃
Discharge -20 to 60℃
Impedance ≤14mΩ
Weight 69.5g
Dimension 70.8mm(Max)*21.25mm(Max)
Cycle life 500cycle(80%)
Key Features
  • High Capacity: 4900mAh provides extended runtime before requiring recharge
  • 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
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INR21700 50E2 Lithium Ion Battery Cell 3.63v 9.8A 4900mAh Stable Output

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Product Detail
Brand Name :
EMB
Model Number :
INR21700-50E2
Certification :
UN38.3/CE/UL/IEC62133/KC/BIS
Place of Origin :
Korea
MOQ :
1
Price :
$2.23
Contact Supplier
INR21700 50E2 Lithium Ion Battery Cell 3.63v 9.8A 4900mAh Stable Output
INR21700 50E2 Lithium Ion Battery Cell 3.63v 9.8A 4900mAh Stable Output

Shenzhen EMB Technology Co., Ltd

Verified Supplier
1 Years
shenzhen
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
18650 Cylindrical Cells, 21700 Cylindrical Cells, Full Tab Cylindrical Cells
Employee Number :
130~159
Certification Level :
Verified Supplier
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