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High Rate Discharge 21700 Battery Max Discharge 45A 3.6V 4000mAh Lithium Cell Full Tab Cell Design for RC Car and Drone

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High Rate Discharge 21700 Battery Max Discharge 45A 3.6V 4000mAh Lithium Cell Full Tab Cell Design for RC Car and Drone

Brand Name:	EMB
Model Number:	INR21700-40XG
MOQ:	1
Price:	$1.79
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:

Terminal Type:

Full Tab

Cell Type:

Cylindrical

Chemistry:

Lithium-ion

Key Feature:

Ultra-low Internal Resistance, High Rate Capability, Low Temperature Rise

Low Impedance:

Max 3.5MΩ

Supply Ability:

500K/Month

Product Description

High Rate Discharge 21700 Battery Max Discharge 45A 3.6V 4000mAh Lithium Cell Full Tab Cell Design for RC Car and Drone

Engineered for sustained, dependable energy output, the INR21700-40XG 21700 is a high-grade rechargeable lithium-ion cell. Boasting 4000mAh capacity and 45A max continuous discharge capability, it meets the power needs of medium-to-high-demand applications, ensuring stable performance and longer operational periods.

Cell Characteristics

Specification	Value
Capacity	Typical 4000mAh (14.4Wh) Minimum 4000mAh (14.4Wh)
Cell Voltage	Nominal 3.6V Charge 4.2V Discharge 2.5V
Continuous Charge Current	Standard 2A Maximum 12A
Continuous Discharge Current	Maximum 45A
Ambient Temperature	Charge 0～45℃ Discharge -20～60℃
Impedance	≤3.5mΩ
Weight	70g
Dimension	70.50mm(Max) * 21.50mm(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 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

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

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