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Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Specifications
Brand Name :
Tenpower
Model Number :
INR21700-50SG
Certification :
UN38.3/CE/UL/IEC62133/KC/BIS
Place of Origin :
China
MOQ :
1
Price :
＄1.88
Payment Terms :
T/T
Supply Ability :
500K/Month
Delivery Time :
3-5days
Packaging Details :
130pcs/Carton box
High Discharge Rate :
Max 20A
High Capacity :
Nominal 5000mAh
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
Tenpower INR21700-50SG 5000mAh 20A High Discharge Rechargeable Lithium Battery

The INR21700-50SG 21700 Battery is a high-performance lithium-ion rechargeable power cell designed for long-lasting energy delivery and reliable performance. With a 5000mAh capacity and 20A 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 5000mAh (18Wh) Minimum 4900mAh (17.64Wh)
Cell Voltage Nominal 3.6V Charge 4.2V Discharge 2.5V
Continuous Charge Current Standard 2.5A Maximum 6A
Continuous Discharge Current Maximum 20A
Ambient Temperature Charge 0～45℃ Discharge -20～60℃
Impedance ≤14mΩ (25±3℃)
Weight 71g
Dimension 70.80mm(Max) * 21.35mm(Max)
Cycle life 500cycle(70%)
Key Features
  • High Capacity: 5000mAh provides extended runtime before requiring recharge
  • High Discharge Rate: 20A 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 200-500 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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Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge

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Product Detail
Brand Name :
Tenpower
Model Number :
INR21700-50SG
Certification :
UN38.3/CE/UL/IEC62133/KC/BIS
Place of Origin :
China
MOQ :
1
Price :
＄1.88
Contact Supplier
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge
Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge

Shenzhen EMB Technology Co., Ltd

Verified Supplier
2 Years
shenzhen
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
18650 Cylindrical Cells, 21700 Cylindrical Cells, Full Tab Cylindrical Cells
Employee Number :
147~178
Certification Level :
Verified Supplier
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