Are you looking for the best 18650 batteries but unsure where to start, especially when it comes to Chinese manufacturers? China is now the hub for lithium-ion battery production, with numerous top-tier factories. Let’s dive into the top 18650 battery factories in China, comparing their technologies, products, and what sets them apart. From CATL and BYD to lesser-known gems like EVE Battery and Tianjin Lishen, we’ll explore who offers the best quality, performance, and value
18650 Batteries – High Quality Rechargeable Lithium-ion …
Product Details: 18650 batteries are cylindrical lithium-ion batteries with a diameter of 18 mm and a length of 65 mm. They have a nominal voltage of 3.7V and a maximum charge voltage of 4.2V. The minimum discharge voltage is typically 2.75V. Capacities range from 1500mAh to 3500mAh, with some high-capacity versions reaching up to 4400mAh. They operate within a temperature range of 0°C to 45°C for charging and -20°C to 60°C for discharging.
Pros:
– Compact size with a high power-to-size ratio
– Wide range of capacities to suit various applications
– Reliable and cost-effective
– High energy density
– Versatile use in many electronic devices such as power tools, vape mods, and sma…
Cons:
– Requires careful handling to avoid damage or explosion
– Limited cycle life, typically around 300-500 cycles
– Needs proper charging and discharging practices to maintain lifespan
– Can be affected by high temperatures and improper storage
– May have variations in quality depending on the manufacturer
18650 5P 11000mAh 3.7V Lithium Ion Battery
Product Details: The BZ 18650 lithium-ion battery has a nominal voltage of 3.7V, a nominal capacity of 2000-3500mAh, a diameter of 18mm, and a height of 65mm. It weighs approximately 46.5g and has a cycle life of over 500 times. The battery operates within a temperature range of 0 to 45°C for charging and -20 to 60°C for discharging. It is certified with CE/RoHS/UN38.3/MSDS and comes with a 1-year warranty.
Pros:
– High energy density, reaching up to 170 Wh/kg.
– Long service life with over 500 charge/discharge cycles.
– High safety performance with no explosion or burning risks, and certified by RoH…
– No memory effect, making it convenient to use without needing to empty the batte…
– High voltage of 3.6V or 3.7V, which is higher than nickel-cadmium and nickel-hyd…
Cons:
– Requires protection circuits to prevent overcharging and overdischarging, which…
– Production conditions are stringent, which can also increase costs.
– Materials used, such as lithium cobalt oxide, may have safety issues if discharg…
18650 5P 11000mAh 3.7V Lithium Ion Battery
Product Details: The BZ 18650 lithium-ion battery has a nominal voltage of 3.7V and a nominal capacity of 2600mAh to 11000mAh depending on the configuration. It has a diameter of 18mm and a height of 65mm. The battery includes protection circuitry for over-voltage, under-voltage, and over-current protection. Standard charge current is typically around 0.5C (1.3A for a 2600mAh battery), and the maximum charge voltage is 4.20±0.05V. The operating temperature range for charging is 0 ~ 45℃ and for discharging is -20 ~ 60℃. The battery is widely used in various applications such as mobile phones, laptops, and other small appliances[1][2][4].
Pros:
– High energy density, with up to 170 watt hours/kg
– Mature technology and high yield rate, resulting in low cost
– Good heat dissipation performance due to the cylindrical shape
– High capacity and stable output voltage
– Wide operating temperature range and environmentally friendly
– Includes protection circuitry for safe operation
Cons:
– Rate characteristics are slightly worse than those of square multi-tab batteries…
– Heavier compared to pouch batteries of the same capacity
– Internal resistance is higher compared to pouch batteries
– Cycle life may be affected by charging, discharging, operating temperature, and…
DNK Power: Custom 18650 & Lithium ion Battery Pack …
China Customized 3.7v 2600mAh Lithium Ion …
Product Details: The 18650 lithium-ion rechargeable battery has a nominal capacity of 2600mAh, a nominal voltage of 3.7V, and a maximum voltage of 4.2V. The discharge cut-off voltage is typically 2.75V to 3.0V. The battery has a continuous discharge rating, often up to 5.2A or 8A depending on the model. It has a cycle life of around 300 to 500 cycles. The dimensions are standard 18650 size (18.40mm x 65.00mm) and weigh approximately 44.7g to 46.5g. Some models are protected with a PCB or BMS, while others are unprotected and require additional protection.
Pros:
– High capacity of 2600mAh for extended run times
– High discharge current ratings suitable for demanding applications
– Long cycle life of up to 500 cycles for long-term use
– Compact 18650 size for versatility in various devices
– Rechargeable for cost-effective and environmentally friendly use
Cons:
– Some models are unprotected and require additional safety measures
– Risk of overcharging, over-discharging, or physical damage if not handled proper…
– Requires a smart charger designed for this specific type of battery
– May degrade faster if not used within specified temperature and charge/discharge…
4050mAh 18650 Battery Cell Invented in China – DNK Power
Product Details: The 4050mAh 18650 battery cell is a cylindrical lithium-ion battery with a diameter of 18mm and a length of 65mm. It is designed to have a higher energy density, with a specific energy of 306 w/kg, which is a 50 wh/kg increase compared to standard 18650 batteries. This cell is manufactured using new materials and technologies, achieving a capacity of 4050mAh. It is suitable for various applications including laptops, electrical tools, medical equipment, and electric vehicles.
Pros:
– Higher energy density with a specific energy of 306 w/kg
– Increased capacity of 4050mAh, a 40% increase over standard 18650 batteries
– Lightweight and compact design, making it advantageous for electric bicycles and…
– Widely used in various fields such as laptops, electrical tools, medical equipme…
Cons:
– The manufacturing complexity is higher due to the increased power density
– The technology for capacities above 3000mAh is still more advanced in Japan and…
China 18650 3.7v 2600mah 3C lithium battery
Product Details: Capacity (Nominal): 2600mAh. Dimensions: 18*65mm. Nominal Voltage: 3.7V. Max. charging current: 1C. Constant Discharge Current: 3C. Peak Discharge Current: Not specified.
Pros:
– High capacity of 2600mAh, suitable for power-intensive applications.
– Compact dimensions of 18*65mm, making it versatile for various devices.
– Supports a constant discharge current of 3C, indicating good performance under l…
Cons:
– Limited information on peak discharge current, which could be a concern for high…
– No detailed information on cycle life or longevity, which is important for recha…
Will China’s 18650 Battery Beat LG, Samsung, Sony & …
China 18650 Battery Factory, 18650 Battery Supplier
Product Details: 18650 batteries are cylindrical lithium-ion batteries with a diameter of 18 mm and a length of 65 mm. They have a nominal voltage of 3.7V, with a maximum charge voltage of 4.2V and a minimum discharge voltage of 2.75V. Capacities range from 1500mAh to 3500mAh. They are widely used in power tools, electric bicycles, laptops, and electric vehicles. Operating temperatures for charging are 0-45°C and for discharging are -20-60°C.
Pros:
– Compact size with high power-to-size ratio
– Wide range of capacities to suit various applications
– Reliable and long-lasting with proper care
– Versatile use in multiple electronic devices
Cons:
– Requires careful handling to avoid damage or explosion
– Limited lifespan with repeated charge and discharge cycles
– Needs a battery management system (BMS) when used in packs
– Sensitive to extreme temperatures and improper storage
Custom 18650 Lithium Battery
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| 18650 Batteries – High Quality Rechargeable Lithium-ion … | 18650 batteries are cylindrical lithium-ion batteries with a diameter of 18 mm and a length of 65 mm. They have a nominal voltage of 3.7V and a maximu… | – Compact size with a high power-to-size ratio – Wide range of capacities to suit various applications – Reliable and cost-effective – High energy den… | – Requires careful handling to avoid damage or explosion – Limited cycle life, typically around 300-500 cycles – Needs proper charging and discharging… | www.18650batterystore.com |
| 18650 5P 11000mAh 3.7V Lithium Ion Battery | The BZ 18650 lithium-ion battery has a nominal voltage of 3.7V, a nominal capacity of 2000-3500mAh, a diameter of 18mm, and a height of 65mm. It weigh… | – High energy density, reaching up to 170 Wh/kg. – Long service life with over 500 charge/discharge cycles. – High safety performance with no explosio… | – Requires protection circuits to prevent overcharging and overdischarging, which… – Production conditions are stringent, which can also increase co… | www.benzoenergy.com |
| 18650 5P 11000mAh 3.7V Lithium Ion Battery | The BZ 18650 lithium-ion battery has a nominal voltage of 3.7V and a nominal capacity of 2600mAh to 11000mAh depending on the configuration. It has a… | – High energy density, with up to 170 watt hours/kg – Mature technology and high yield rate, resulting in low cost – Good heat dissipation performance… | – Rate characteristics are slightly worse than those of square multi-tab batteries… – Heavier compared to pouch batteries of the same capacity – Int… | www.benzokorea.com |
| DNK Power: Custom 18650 & Lithium ion Battery Pack … | www.dnkpower.com | |||
| China Customized 3.7v 2600mAh Lithium Ion … | The 18650 lithium-ion rechargeable battery has a nominal capacity of 2600mAh, a nominal voltage of 3.7V, and a maximum voltage of 4.2V. The discharge… | – High capacity of 2600mAh for extended run times – High discharge current ratings suitable for demanding applications – Long cycle life of up to 500… | – Some models are unprotected and require additional safety measures – Risk of overcharging, over-discharging, or physical damage if not handled prope… | www.liion-battery.com |
| 4050mAh 18650 Battery Cell Invented in China – DNK Power | The 4050mAh 18650 battery cell is a cylindrical lithium-ion battery with a diameter of 18mm and a length of 65mm. It is designed to have a higher ener… | – Higher energy density with a specific energy of 306 w/kg – Increased capacity of 4050mAh, a 40% increase over standard 18650 batteries – Lightweight… | – The manufacturing complexity is higher due to the increased power density – The technology for capacities above 3000mAh is still more advanced in Ja… | www.dnkpower.com |
| China 18650 3.7v 2600mah 3C lithium battery | Capacity (Nominal): 2600mAh. Dimensions: 18*65mm. Nominal Voltage: 3.7V. Max. charging current: 1C. Constant Discharge Current: 3C. Peak Discharge Cur… | – High capacity of 2600mAh, suitable for power-intensive applications. – Compact dimensions of 18*65mm, making it versatile for various devices. – Sup… | – Limited information on peak discharge current, which could be a concern for high… – No detailed information on cycle life or longevity, which is i… | www.vatsbattery.com |
| Will China’s 18650 Battery Beat LG, Samsung, Sony & … | budgetlightforum.com | |||
| China 18650 Battery Factory, 18650 Battery Supplier | 18650 batteries are cylindrical lithium-ion batteries with a diameter of 18 mm and a length of 65 mm. They have a nominal voltage of 3.7V, with a maxi… | – Compact size with high power-to-size ratio – Wide range of capacities to suit various applications – Reliable and long-lasting with proper care – Ve… | – Requires careful handling to avoid damage or explosion – Limited lifespan with repeated charge and discharge cycles – Needs a battery management sys… | www.batterypkcell.com |
| Custom 18650 Lithium Battery | www.large-battery.com |
Frequently Asked Questions (FAQs)
What are the typical specifications of 18650 batteries produced in Chinese factories?
When looking at 18650 batteries from Chinese manufacturers, you can expect certain standard specifications. These batteries usually have a nominal voltage of 3.7V, a size of 18*65mm, and capacities ranging from 2000mAh to 2600mAh. They often have a cycle life of around 500 to 1000 times, with a discharge cut-off voltage of 3.0V and a charging voltage of 4.2V. These specs make them versatile for various applications, including power tools, flashlights, and portable electronics[1][5].
Which certifications should I look for in 18650 batteries from Chinese manufacturers?
To ensure the quality and safety of 18650 batteries, look for certifications such as CE, RoHS, UN38.3, and MSDS. These certifications indicate that the batteries meet international standards for safety, environmental compliance, and performance. Reputable manufacturers will often highlight these certifications to reassure customers about the reliability and safety of their products[1][2].
Can Chinese 18650 battery manufacturers offer OEM and ODM services?
Yes, many Chinese 18650 battery manufacturers offer OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services. This means you can customize the batteries according to your specific needs, including branding, packaging, and technical specifications. The minimum order quantity (MOQ) for such services can vary but is often around 100 to 1000 pieces, depending on the manufacturer[1][5].
What is the typical pricing and minimum order quantity for 18650 batteries from Chinese factories?
The pricing for 18650 batteries from Chinese factories can vary based on the manufacturer and the specific model. You can expect prices to range from $0.61 to $1.5 per piece, depending on the capacity and other specifications. The minimum order quantity (MOQ) can be as low as 1 piece for some suppliers, but it is more commonly around 100 to 1000 pieces[1][2].
How do Chinese 18650 battery manufacturers ensure the quality of their products?
Reputable Chinese 18650 battery manufacturers ensure quality through various measures. Many have ISO 9001 certification, which indicates adherence to international quality management standards. They also conduct rigorous quality control checks from production to shipping, ensuring that each battery meets high standards. Additionally, some manufacturers invite customers to visit their factories to see the production process firsthand[5].
