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Shenzhen EMB Technology Co., Ltd

  • China,Shenzhen
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China INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery
China INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery

  1. China INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery
  2. China INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery
  3. China INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery
  4. China INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery

INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery

  1. MOQ: 1
  2. Price: $1.89
  3. Get Latest Price
Payment Terms T/T
Packaging Details 130pcs/Carton box
Supply Ability 500K/Month
Delivery Time 3-5 days
Certification UN38.3/CE/UL/IEC62133/KC/BIS
Brand Name Ampace
Model Number 21700A (JP40)
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Packaging Details 130pcs/Carton box
Supply Ability 500K/Month Delivery Time 3-5 days
Certification UN38.3/CE/UL/IEC62133/KC/BIS Brand Name Ampace
Model Number 21700A (JP40) Place of Origin China
High Light 21700 lithium ion battery 4000mAhINR21700JP40 cylindrical cell 45A discharge3.7V lithium battery with high capacity
INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery

The 21700A JP40 Battery is a high-performance lithium-ion rechargeable power cell designed for long-lasting energy delivery and reliable performance. With a 4000mAh capacity and 40A 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 4000mAh (14.8Wh) Minimum 3900mAh (14.43Wh)
Cell Voltage Nominal 3.7V Charge 4.2V Discharge 2.5V
Continuous Charge Current Standard 2A Maximum 8A
Continuous Discharge Current Maximum 45A
Ambient Temperature Charge -10~60℃ Discharge -30~75℃
Impedance ≤4mΩ
Weight 70g
Dimension 70.42mm(Max) * 21.31mm(Max)
Cycle life 400cycle(60%)
Key Features
  • High Capacity: 4000mAh provides extended runtime before requiring recharge
  • High Discharge Rate: 45A 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 400 cycles before noticeable capacity reduction - recycle at end of life
  • Do not crush, incinerate, or modify batteries
  • Only use within manufacturer specifications

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter,Trading Company

  • Year Established:

    2018.04.10

  • Employee Number:

    147~178

  • Ecer Certification:

    Verified Supplier

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  • Shenzhen EMB Technology Co., Ltd
  • Building B, No.12 Zirong Road, Kengzi Subdistrict, Pingshan New District, Shenzhen City
  • https://www.lithiumlifepo4-battery.com/

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