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3.6V 4500mAh 21700 NCM Power Battery 60A Discharge Current For Drone Batttery
Product Overview
The 21700 NCM Power Battery Cell 3.6V 4500mAh is a high-performance rechargeable lithium-ion battery designed for applications requiring high energy density, reliable power output, and long service life. Utilizing advanced NCM chemistry, this battery cell offers an excellent balance between capacity, power, and safety.
The 21700 cell delivers 16.2Wh of energy in a compact cylindrical format. Compared with traditional 18650 cells, the 21700 battery provides higher capacity, improved energy efficiency, and requires fewer cells for battery pack assembly.
Engineered for demanding applications, this power cell supports high-rate discharge performance and stable operation across a wide temperature range, making it an ideal solution for electric mobility, power tools, energy storage systems, and portable electronic devices.
Typical Specifications
Cathode materials
NCM
Nominal voltage
3.6V
Rated capacity
4400mAh
Typical capacity
4500mAh
Rated energy
15.84Wh
Typical energy
16.2Wh
Limited charging voltage
4.2V
End of discharge voltage
2.5V
Upper limited charging voltage
4.25V
Discharge cut-off voltage
2.0V
Maximum charging current
13.2A
Maximum discharging current
30A (Without temperature cut)
60A (With 80℃ temperature cut)
Charging temperature
0~45℃
Discharging temperature
-20~60℃
Key Features
Advanced NCM lithium-ion chemistry
High energy density and lightweight design
Excellent power output capability
Low internal resistance
Long cycle life with stable performance
Fast charging capability
Consistent voltage platform
Reliable safety performance
Suitable for high-power battery pack assembly
Applications
Electric bicycles (E-bikes)
Electric scooters
Power tools
Portable power stations
Energy storage systems
Solar lighting systems
Drones and robotics
Vacuum cleaners
Industrial equipment
Emergency backup power systems
Advantages of 21700 NCM Battery Cells
Compared with conventional 18650 lithium-ion batteries, 21700 cells offer:
Higher capacity per cell
Greater energy density
Reduced battery pack complexity
Lower overall system cost
Improved thermal management
Enhanced power output capability
Quality Assurance
Every 21700 NCM battery cell undergoes strict quality control procedures, including:
Capacity testing
Internal resistance testing
Voltage consistency inspection
Safety performance verification
Charge and discharge cycle testing
Appearance and dimensional inspection
Custom Battery Pack Support
Our engineering team provides OEM and ODM services for customized battery pack solutions, including:
Battery pack design
Series and parallel configurations
BMS integration
Connector customization
Waterproof housing solutions
Certification support
Frequently Asked Questions
What does NCM stand for?
NCM stands for Nickel Cobalt Manganese, a lithium-ion battery chemistry known for its high energy density, excellent power performance, and long service life.
What is the maximum discharge current?
Depending on the cell design, the maximum continuous discharge current is typically 60A (with 80℃ temperature cut), making it suitable for high-power applications.
Can this battery be fast charged?
Yes. The cell supports fast charging within the manufacturer's specified charging current limits. Using an approved charger helps maximize battery life and safety.
How should the battery be stored?
Store the battery in a cool and dry environment, away from direct sunlight and heat sources, at approximately 30%-60% state of charge for long-term storage, and in accordance with local battery storage regulations.
Is the battery safe for industrial and commercial applications?
Yes. When used with appropriate protection circuits and operated within specified limits, the battery provides reliable performance for industrial, commercial, and consumer applications.
Why choose a 21700 NCM battery cell?
The 21700 NCM battery combines high capacity, high energy density, excellent power performance, and cost-effective battery pack design, making it one of the most popular lithium-ion cell formats for modern energy storage and mobility applications.