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In Stock INR21700-50G 3.7V 5000mAh 2C Li Ion Rechargeable Battery 1000 High Cycle Life 50GB Lithium Ion Battery for Sale

In Stock INR21700-50G 3.7V 5000mAh 2C Li Ion Rechargeable Battery 1000 High Cycle Life 50GB Lithium Ion Battery for Sale

Brand Name: EMB
Model Number: INR21700-50GB
MOQ: 1
Price: $1.82
Packaging Details: 130pcs/Carton box
Payment Terms: T/T
Detail Information
Place of Origin:
Tianjin
Certification:
UN38.3/CE/UL/IEC62133/KC/BIS
Long Cycle Life:
3000
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
Product Description
In Stock INR21700-50G 3.7V 5000mAh 2C Li Ion Rechargeable Battery 1000 High Cycle Life 50GB Lithium Ion Battery for Sale

A premium rechargeable lithium-ion cell, the INR21700-50GB delivers long-lasting energy and rock-solid performance. It features 5000mAh capacity and 2C maximum continuous discharge, making it perfect for medium-to-high-demand devices with stable power and prolonged usage.

Cell Characteristics
Specification Value
Capacity Typical 5000mAh (18.3Wh)
Cell Voltage Nominal 3.66V Charge 4.2V Discharge 2.5V
Continuous Charge Current Standard 0.33C Maximum 1C
Continuous Discharge Current Maximum 2C
Ambient Temperature Charge 0 to 50℃
Discharge -30 to 60℃
Impedance 13.0±5.0mΩ
Weight 71g
Dimension 70.8mm(Max)*21.4mm(Max)
Cycle life 1000 cycle(80%)
Key Features
  • High Capacity: 5000mAh provides extended runtime before requiring recharge
  • High Discharge Rate: 2C 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
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 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