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.