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BAK 50D 21700 Lithium Ion Battery 5050mAh 50A Discharge Long Full Tab High Capacity
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18650 Cylindrical Cells

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BAK 50D 21700 Lithium Ion Battery 5050mAh 50A Discharge Long Full Tab High Capacity
  • Name
  • Name
  • Name

BAK 50D 21700 Lithium Ion Battery 5050mAh 50A Discharge Long Full Tab High Capacity

Brand Name: BAK
Model Number: 50D
MOQ: 1
Price: ＄2.78
Packaging Details: 130pcs/Carton box
Payment Terms: T/T
Detail Information
Product Description
Detail Information
Place of Origin:
China
Certification:
UN38.3/CE/UL/IEC62133/KC/BIS
Document:
INR2170-50D specification.pdf
Low Temperature Performance:
Charge: 0～45℃ Discharge: -20～60℃
Low Impedance:
Max 6MΩ
High Discharge Rate:
Max 50A
High Capacity:
Nominal 5050mAh
Terminal Type:
Full Tab
Cell Type:
Cylindrical
Applications:
Electric Tools, Gardening Tools, Cleaning Appliances, Drones
Key Feature:
Ultra-low Internal Resistance, High Rate Capability, Low Temperature Rise
Supply Ability:
500K/Month
Highlight:

5050mAh 50A 21700 Lithium Ion Battery

,

BAK 50D 21700 Lithium Ion Battery

,

5050mAh 50A 21700 lithium ion cells

Product Description
BAK 50D 5050mAh 50A Discharge Long Cycle Life 21700 Li-ion Full Tab Cell

The 50D Battery is a high-performance lithium-ion rechargeable power cell designed for long-lasting energy delivery and reliable performance. With a 5050mAh capacity and 50A maximum continuous discharge rate, this battery is ideal for high-demand applications, offering stable output and extended usage time.

Cell Characteristics
Specification Value
Capacity Typical 5050mAh (18.18Wh) Minimum 5000mAh (18Wh)
Cell Voltage Nominal 3.6V Charge 4.2V Discharge 2.5V
Continuous Charge Current Standard 2.5A Maximum 15A
Continuous Discharge Current Standard 1A Maximum 50A
Ambient Temperature Charge 0～45℃ Discharge -20～60℃
Impedance ≤6mΩ
Weight 69g
Dimension 70.75mm(Max) * 21.45mm(Max)
Cycle life 600cycle(60%)
Key Features
  • Extremely Low Internal Impedance: The full tab structure minimizes the current collection path, significantly reducing internal resistance compared to conventional cells
  • Excellent Thermal Management: The uniform current distribution results in low and even heat generation
  • High Capacity: 5050mAh provides extended runtime before requiring recharge
  • High Discharge Rate: 50A continuous discharge, ideal for 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
  • 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
Tags: 

21700 rechargeable li ion battery  

5000mah lithium ion battery  

18650 Li-ion Battery

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