Are you curious about which 21700 battery suppliers in China stand out from the crowd? With the growing demand for high-performance batteries, knowing the top factories can make all the difference in your projects. By comparing these suppliers, you can ensure quality, reliability, and cost-effectiveness, ultimately enhancing your product’s performance. Imagine having access to the best options that meet your specific needs! Dive into our comprehensive comparison to discover the leading 21700 battery factories and make informed decisions that will power your success. Keep reading to unlock valuable insights!

Top 10 21700 battery manufacturers in China

Product Details: 21700 lithium-ion batteries manufactured by various companies in China.

Technical Parameters:
– Capacity: 4.5Ah to 5.0Ah
– Energy density: 200-260Wh/kg

Application Scenarios:
– New energy vehicles
– Consumer electronics

Pros:
– High specific energy
– Cost-effective production transition from 18650 to 21700

Cons:
– Market competition among manufacturers
– Dependence on R&D and manufacturing experience

Wholesale 21700 Lithium Battery Supplier from China

Product Details: 21700 Lithium Battery with an outer diameter of 21mm and a height of 70.0mm, higher energy density than 18650 batteries.

Technical Parameters:
– Cylindrical design
– Higher energy density than 18650

Application Scenarios:
– Powering flashlights
– Used in electronic cigarette accessories

Pros:
– Higher energy density
– Customizable for various applications

Cons:
– Limited availability compared to 18650
– Potential compatibility issues with devices designed for 18650

China 18650 21700 Battery Manufacturers, Polymer Battery Suppliers …

Product Details: 18650 and 21700 lithium-ion batteries, polymer batteries, Ni-Mh Ni-Cd batteries, USB rechargeable batteries, LiFePo4 IFR batteries, lithium titanate batteries, and battery management systems.

Technical Parameters:
– Capacity: 5000mAh for 21700 Li-ion battery
– Grade A quality with 12 months warranty

Application Scenarios:
– Power banks
– Electric vehicles

Pros:
– High quality and reliability
– Fast shipping from Shenzhen or Hong Kong

Cons:
– Limited specific technical details provided
– Generic warranty terms

Top 10 NMC 21700 Battery Cell Manufacturers in China

Product Details: NMC 21700 cylindrical lithium-ion batteries with high energy density and long cycle life.

Technical Parameters:
– 21 mm diameter
– 70 mm height

Application Scenarios:
– Electric vehicles
– Power storage systems

Pros:
– Long cycle life
– High energy density

Cons:
– Higher cost compared to 18650
– Higher risk of thermal runaway

China Reliable 18650 21700 26700 Battery Cell LFP Battery Wholesaler …

3.6V Samsung-INR21700-40T Battery – Lithium ion Battery Manufacturer …

Product Details: 3.6V Samsung-INR21700-40T Battery with a standard discharge capacity of 4000mAh.

Technical Parameters:
– Rated discharge capacity: 3900mAh
– Max. continuous discharge: 35A with temperature cut, 45A with 80°C temperature c…

Application Scenarios:
– High-performance devices requiring reliable power sources.
– Electric vehicles and power tools.

Pros:
– High capacity and discharge rates.
– Long cycle life of 250 cycles to 60% capacity.

Cons:
– Sensitive to temperature extremes.
– Requires careful handling to avoid damage.

Top 10 LFP 21700 Battery Cell Manufacturers in China

Product Details: LFP 21700 battery cells are Lithium Iron Phosphate batteries with a diameter of 21mm and a length of 70mm, known for their safety, efficiency, and environmental impact.

Technical Parameters:
– High energy density
– Long cycle life

Application Scenarios:
– Electric vehicles
– Energy storage systems

Pros:
– Enhanced safety features
– Longer lifecycle

Cons:
– Lower energy density compared to other lithium-ion chemistries
– Potentially higher manufacturing costs

Advantages and Disadvantages of 21700 Battery

Product Details: 21700 Lithium-ion Battery

Technical Parameters:
– Power density: 300 Wh/kg
– Price: 155 USD/kWh

Application Scenarios:
– Electric Vehicles (EVs)
– Consumer Electronics

Pros:
– Increased battery density compared to 18650 batteries
– Reduced battery pack price by 9%

Cons:
– Market acceptance of size change is uncertain
– Lack of established industry chain for 21700 batteries

Lithium ion LG INR 21700 M52V 3.7V 5000mAh – Lithium ion Battery …

Product Details: LG INR21700 M52V Lithium ion Cell – 3.7V, 5000mAh capacity, high energy density, low self-discharge, and low impedance rate.

Technical Parameters:
– Nominal Voltage: 3.69V
– Max. Charge Current: 0.7C (3500mAh) in 25 ~ 45 ℃

Application Scenarios:
– Medical equipment: monitor, ventilator, anesthesia machine
– Energy storage: backup power, solar panel, UPS

Pros:
– High energy density and lightweight
– Low self-discharge rate

Cons:
– Requires special lithium charger
– Sensitive to high temperatures

LG INR21700M58T 5800mAh – Lithium ion Battery Manufacturer and Supplier …

Product Details: LG INR21700M58T 5800mAh Lithium ion Battery

Technical Parameters:
– Cell Voltage: 3.6V
– Max. Continuous Discharge: 35A

Application Scenarios:
– Electric vehicles
– Portable electronics

Pros:
– High capacity of 5800mAh
– Reliable performance with high discharge rate

Cons:
– Limited availability
– Requires specific charging conditions

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Comparison Table

Company	Product Details	Pros	Cons	Website
Top 10 21700 battery manufacturers in China	21700 lithium-ion batteries manufactured by various companies in China.	– High specific energy – Cost-effective production transition from 18650 to 21700	– Market competition among manufacturers – Dependence on R&D and manufacturing experience	www.takomabattery.com
Wholesale 21700 Lithium Battery Supplier from China	21700 Lithium Battery with an outer diameter of 21mm and a height of 70.0mm, higher energy density than 18650 batteries.	– Higher energy density – Customizable for various applications	– Limited availability compared to 18650 – Potential compatibility issues with devices designed for 18650	www.kesheebattery.com
China 18650 21700 Battery Manufacturers, Polymer Battery Suppliers …	18650 and 21700 lithium-ion batteries, polymer batteries, Ni-Mh Ni-Cd batteries, USB rechargeable batteries, LiFePo4 IFR batteries, lithium titanate b…	– High quality and reliability – Fast shipping from Shenzhen or Hong Kong	– Limited specific technical details provided – Generic warranty terms	www.geegoodbattery.com
Top 10 NMC 21700 Battery Cell Manufacturers in China	NMC 21700 cylindrical lithium-ion batteries with high energy density and long cycle life.	– Long cycle life – High energy density	– Higher cost compared to 18650 – Higher risk of thermal runaway	keheng-battery.com
China Reliable 18650 21700 26700 Battery Cell LFP Battery Wholesaler …				tesson-tech.com
3.6V Samsung-INR21700-40T Battery – Lithium ion Battery Manufacturer …	3.6V Samsung-INR21700-40T Battery with a standard discharge capacity of 4000mAh.	– High capacity and discharge rates. – Long cycle life of 250 cycles to 60% capacity.	– Sensitive to temperature extremes. – Requires careful handling to avoid damage.	www.dnkpower.com
Top 10 LFP 21700 Battery Cell Manufacturers in China	LFP 21700 battery cells are Lithium Iron Phosphate batteries with a diameter of 21mm and a length of 70mm, known for their safety, efficiency, and env…	– Enhanced safety features – Longer lifecycle	– Lower energy density compared to other lithium-ion chemistries – Potentially higher manufacturing costs	keheng-battery.com
Advantages and Disadvantages of 21700 Battery	21700 Lithium-ion Battery	– Increased battery density compared to 18650 batteries – Reduced battery pack price by 9%	– Market acceptance of size change is uncertain – Lack of established industry chain for 21700 batteries	www.dnkpower.com
Lithium ion LG INR 21700 M52V 3.7V 5000mAh – Lithium ion Battery …	LG INR21700 M52V Lithium ion Cell – 3.7V, 5000mAh capacity, high energy density, low self-discharge, and low impedance rate.	– High energy density and lightweight – Low self-discharge rate	– Requires special lithium charger – Sensitive to high temperatures	www.dnkpower.com
LG INR21700M58T 5800mAh – Lithium ion Battery Manufacturer and Supplier …	LG INR21700M58T 5800mAh Lithium ion Battery	– High capacity of 5800mAh – Reliable performance with high discharge rate	– Limited availability – Requires specific charging conditions	www.dnkpower.com

Frequently Asked Questions (FAQs)

What are 21700 batteries, and why are they popular?

21700 batteries are cylindrical lithium-ion cells that measure 21mm in diameter and 70mm in length. They are popular due to their high energy density, longer lifespan, and ability to deliver more power compared to smaller cells. This makes them ideal for electric vehicles, power tools, and various consumer electronics.

How do I choose a reliable 21700 battery supplier in China?

To choose a reliable supplier, look for factories with good reviews, certifications (like ISO), and a proven track record. Request samples to assess quality, and communicate clearly about your requirements. Visiting the factory, if possible, can also help you gauge their capabilities.

What quality standards should 21700 batteries meet?

Quality standards for 21700 batteries typically include safety certifications like UL, CE, and RoHS. These ensure the batteries are safe to use and environmentally friendly. Additionally, check for performance specifications such as capacity, cycle life, and discharge rates to ensure they meet your needs.

Can I customize 21700 batteries for my specific application?

Yes, many suppliers offer customization options for 21700 batteries. You can request specific capacities, discharge rates, and even branding on the battery casing. Be sure to discuss your requirements with the supplier to ensure they can meet your specifications.

What is the typical lead time for ordering 21700 batteries from China?

The lead time for ordering 21700 batteries can vary based on the supplier and order size. Generally, it ranges from 2 to 6 weeks. Factors like customization, production capacity, and shipping methods can also affect the timeline, so it’s best to confirm with your supplier.