21700 cylindrical lithium battery
📱 Product Photograph
🔋 Product parameters
Nominal Capacity：4000mAh
Nominal Current：Charging2000mA，Discharging4000mA
Maximum Current：Charging8000mA，Discharging12000mA
AC Resistance：≤25mΩ
Weight：≤71g
For more parameters and prices, please contact the customer manager
shenzhenkomai@gmail.com
🚖 Application areas:
Electric vehicles: ：21700 batteries are widely used in electric vehicles due to their high energy density and high rate discharge characteristics, improving their range.
Electric tools ：Electric tools such as drills and screwdrivers require high rate discharge and high energy density batteries.
Mobile power bank:：21700 batteries are commonly used for high-capacity mobile power banks, providing longer battery life.
Smart home devices：devices that require stable power supply, such as smart lighting fixtures, smart sockets, etc.
Energy storage system：used for household or industrial energy storage systems to provide reliable power reserves.
Consumer electronics：such as laptops, tablets, etc., require batteries with high energy density and high safety.
Drone：Used as a battery for drones, providing sufficient flight time and high rate discharge capability.
Outdoor equipment：Outdoor equipment such as flashlights, Bluetooth speakers, etc. require lightweight and high-capacity batteries.
🛡️ Product characteristics：
High energy density ：21700-4000mAh has a high energy density, suitable for applications that require large capacity batteries.
High rate discharge：21700-4000mAh supports high rate discharge and can provide a large instantaneous current, suitable for applications that require fast discharge.
Low internal resistance：Low internal resistance is an important feature to ensure high rate performance of 21700-4000mAh.
Long cycle life：21700-4000mAh batteries have a long cycle life.
Third party certification：Passed third-party certification for safety testing in multiple countries around the world. The battery adopts advanced safety technology and has high stability and reliability.It has undergone rigorous safety testing and can effectively prevent safety hazards such as overheating and short circuits in various usage scenarios, providing solid security for your equipment.
For more parameters and prices, please contact the customer manager
shenzhenkomai@gmail.com
