Are you curious about which 21700 battery suppliers stand out in today’s market? Understanding the top factories is crucial for making informed choices. Discovering the best options can lead to enhanced performance and reliability. Dive in to explore our comprehensive comparison and find the perfect supplier for your needs!
21700 Batteries – Battery Junction
Product Details: 21700 Batteries available in various brands and specifications.
Technical Parameters:
– Voltage: 3.6V or 3.7V
– Capacity: Ranges from 3000mAh to 6000mAh
Application Scenarios:
– Used in flashlights and high-drain devices
– Suitable for rechargeable applications
Pros:
– High energy density
– Wide range of brands and specifications available
Cons:
– May require specific chargers
– Some models may be unprotected
Bulk 21700 Batteries Wholesaler | High Quality & Safe – XTAR
Product Details: Generic 21700 Battery
Technical Parameters:
– Capacity: 3000mAh
– Voltage: 3.7V
Application Scenarios:
– Electric vehicles
– Portable electronics
Pros:
– High energy density
– Long cycle life
Cons:
– Higher cost compared to AA batteries
– Requires specific charger
21700 Battery Wholesale | 21700 Battery Cells | 21700 Cells Bulk – LEGEND
Product Details: 21700 lithium-ion rechargeable battery cell with a diameter of 21mm and a height of 70mm, offering high capacity and energy density.
Technical Parameters:
– Capacity: 4000mAh – 6000mAh
– Discharge Current: Up to 45A
Application Scenarios:
– Electric vehicles
– Portable electronics
Pros:
– Higher capacity compared to 18650 batteries
– Long cycle life and multiple charge/discharge capabilities
Cons:
– Larger size may not fit all devices
– Higher cost compared to smaller battery types
2025’s 5 Leading 21700 Battery Suppliers & Factories
Product Details: 21700 rechargeable cylindrical battery
Technical Parameters:
– High capacity between 3000 to 6000mAh
– Voltage range: 3.7v nominal and 4.2v when fully charged
Application Scenarios:
– Vapes
– Power tools
Pros:
– High energy density
– Long cycle life
Cons:
– Larger size compared to 18650 batteries
– Potential safety risks if not handled properly
21700 Lithium-ion Battery Manufacturer & Supplier – Sunpower New Energy
Product Details: 21700 Li-ion Battery 3.6V 5000mAh – Fast discharge rate 6C and fast charge rate 2C
Technical Parameters:
– Diameter: 21mm
– Length: 70mm
Application Scenarios:
– Engine starting batteries
– Electric bicycles/motorcycles/scooters
Pros:
– High energy density
– Lower MOQ of 2 for wholesale
Cons:
– Limited information on specific performance metrics
– Potentially higher cost compared to smaller batteries
High-Performance 21700 Batteries | Top Brands & Capacities
Product Details: 21700 battery is a rechargeable lithium-ion cell with a cylindrical shape, standardized dimensions of 21mm in diameter and 70mm in length, offering higher capacity and better energy density than 18650 batteries.
Technical Parameters:
– Chemistry: Various lithium-ion chemistries including LiCoO₂, LiMn₂O₄, LiNiMnCoO₂…
– Voltage: Typically 3.6V or 3.7V nominal, with a full charge voltage of 4.2V
Application Scenarios:
– Electric vehicles
– High-power consumer electronics such as flashlights and power banks
Pros:
– Higher capacity and energy density compared to 18650 batteries
– Improved efficiency for high-power applications
Cons:
– Protected cells are slightly longer due to built-in safety circuits
– Compatibility issues with devices designed for 18650 batteries
21700 Battery Cells Wholesale, Joinsun and Redway Battery
Product Details: 21700 battery cells with enhanced durability, higher energy density, improved performance, and better thermal management.
Technical Parameters:
– Capacity: 4000-5000mAh
– Discharge rates: Higher than 18650 batteries
Application Scenarios:
– Electric vehicles
– High-wattage vaping devices
Pros:
– Longer cycle life
– Faster charging capabilities
Cons:
– Not compatible with 18650 chargers
– Potential safety risks if used with incorrect chargers
21700 Batteries – Rechargeable Li-ion 21700 Cells – MABD Electronics
Product Details: 21700 Batteries – Rechargeable Li-ion 21700 Cells from various brands including Samsung SDI, LG Chem, Molicel, and more.
Technical Parameters:
– Size: 21mm x 70mm
– Voltage: 3.7V
Application Scenarios:
– Electronic devices requiring removable batteries
– High-drain applications such as vaping and power tools
Pros:
– High capacity options available (up to 5600mAh)
– Compatible with a variety of devices
Cons:
– Limited availability for some brands
– Potential for counterfeit products in the market
21700 Lithium Ion Battery Manufacturer Supplier Factory Wholesale …
Product Details: 21700 lithium batteries are cylindrical cells offering higher energy density, longer life cycle, and smaller form factor than traditional batteries. Standard size: 21mm diameter, 70mm length.
Technical Parameters:
– Higher charging efficiency
– Lower self-discharge rate
– Excellent cycle life
Application Scenarios:
– Electric vehicles
– Renewable energy systems
– Consumer electronics
Pros:
– Higher energy density
– Longer life cycle
Cons:
– Limited availability in some regions
– Potential safety concerns if not managed properly
Battery Sizes – 21700 – OneSourceBatteries.com
Product Details: Molicel INR-21700-P45B, 3.6 Volt 4500mAh Lithium-Ion Cell (Pre-Order)
Technical Parameters:
– Voltage: 3.6 Volt
– Capacity: 4500mAh
Application Scenarios:
– Powering high-drain devices
– Rechargeable battery applications
Pros:
– High capacity for extended use
– Reliable performance in various conditions
Cons:
– Pre-order status may delay availability
– Limited information on specific use cases
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Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| 21700 Batteries – Battery Junction | 21700 Batteries available in various brands and specifications. | – High energy density – Wide range of brands and specifications available | – May require specific chargers – Some models may be unprotected | www.batteryjunction.com |
| Bulk 21700 Batteries Wholesaler | High Quality & Safe – XTAR | Generic 21700 Battery | – High energy density – Long cycle life | – Higher cost compared to AA batteries – Requires specific charger |
| 21700 Battery Wholesale | 21700 Battery Cells | 21700 Cells Bulk – LEGEND | 21700 lithium-ion rechargeable battery cell with a diameter of 21mm and a height of 70mm, offering high capacity and energy density. | – Higher capacity compared to 18650 batteries – Long cycle life and multiple charge/discharge capabilities |
| 2025’s 5 Leading 21700 Battery Suppliers & Factories | 21700 rechargeable cylindrical battery | – High energy density – Long cycle life | – Larger size compared to 18650 batteries – Potential safety risks if not handled properly | www.ufinebattery.com |
| 21700 Lithium-ion Battery Manufacturer & Supplier – Sunpower New Energy | 21700 Li-ion Battery 3.6V 5000mAh – Fast discharge rate 6C and fast charge rate 2C | – High energy density – Lower MOQ of 2 for wholesale | – Limited information on specific performance metrics – Potentially higher cost compared to smaller batteries | www.sunpowernewenergy.com |
| High-Performance 21700 Batteries | Top Brands & Capacities | 21700 battery is a rechargeable lithium-ion cell with a cylindrical shape, standardized dimensions of 21mm in diameter and 70mm in length, offering hi… | – Higher capacity and energy density compared to 18650 batteries – Improved efficiency for high-power applications | – Protected cells are slightly longer due to built-in safety circuits – Compatibility issues with devices designed for 18650 batteries |
| 21700 Battery Cells Wholesale, Joinsun and Redway Battery | 21700 battery cells with enhanced durability, higher energy density, improved performance, and better thermal management. | – Longer cycle life – Faster charging capabilities | – Not compatible with 18650 chargers – Potential safety risks if used with incorrect chargers | www.redway-tech.com |
| 21700 Batteries – Rechargeable Li-ion 21700 Cells – MABD Electronics | 21700 Batteries – Rechargeable Li-ion 21700 Cells from various brands including Samsung SDI, LG Chem, Molicel, and more. | – High capacity options available (up to 5600mAh) – Compatible with a variety of devices | – Limited availability for some brands – Potential for counterfeit products in the market | mabdelectronics.com |
| 21700 Lithium Ion Battery Manufacturer Supplier Factory Wholesale … | 21700 lithium batteries are cylindrical cells offering higher energy density, longer life cycle, and smaller form factor than traditional batteries. S… | – Higher energy density – Longer life cycle | – Limited availability in some regions – Potential safety concerns if not managed properly | www.chamglobal.com |
| Battery Sizes – 21700 – OneSourceBatteries.com | Molicel INR-21700-P45B, 3.6 Volt 4500mAh Lithium-Ion Cell (Pre-Order) | – High capacity for extended use – Reliable performance in various conditions | – Pre-order status may delay availability – Limited information on specific use cases | onesourcebatteries.com |
Frequently Asked Questions (FAQs)
What is a 21700 battery, and why is it popular?
A 21700 battery is a cylindrical lithium-ion battery that measures 21mm in diameter and 70mm in height. It’s popular due to its high energy density, longer lifespan, and ability to deliver more power compared to smaller batteries. This makes it ideal for electric vehicles, power tools, and various consumer electronics.
How do I choose a reliable 21700 battery supplier?
To choose a reliable supplier, look for established companies with positive reviews and certifications. Check their production capacity, quality control processes, and customer service. It’s also helpful to request samples to evaluate the battery performance before making a bulk purchase.
What are the common applications of 21700 batteries?
21700 batteries are commonly used in electric vehicles, e-bikes, power tools, and portable electronics. Their high capacity and efficiency make them suitable for applications requiring long-lasting power and quick charging capabilities.
Are 21700 batteries safe to use?
Yes, 21700 batteries are generally safe when used correctly. They come with built-in safety features like overcharge protection and thermal management. However, it’s essential to follow manufacturer guidelines and avoid exposing them to extreme temperatures or physical damage.
What should I consider when purchasing 21700 batteries in bulk?
When purchasing in bulk, consider factors like pricing, minimum order quantities, shipping costs, and lead times. Ensure the supplier provides warranties and after-sales support. It’s also wise to verify the battery specifications to ensure they meet your specific needs.