May. 12, 2025
The battery is one of the powerful rechargeable cells commonly used in vapes, flashlights, power tools, and other high-drain devices. If you are looking for a battery for your device or want to know the top-performing brands, this article will discuss the top 5 battery suppliers or manufacturers with key battery features to help you choose the right battery for the year.
A battery is a rechargeable cylindrical cell named after its size and dimensions. You can easily understand battery dimensions by 70mm length and 21mm diameter, making . It is slightly larger than a popular cylindrical battery. However, an increased size means more energy and capacity to provide a long battery backup. Here are some of the highlighting features of a battery.
High battery capacity between to mAh
A lightweight solution with high energy density
The voltage range is 3.7v nominal and 4.2v when full charge
The average cycle life is between 300 to 800
Your Ultimate Guide to Explore the Battery
Choosing the right battery supplier is essential for maximum performance, safety, and cost-effectiveness. Buying a battery establishes a relationship between customers and suppliers, which can be a positive when you select the right brand. Therefore, you should take time to evaluate the potential suppliers who match your battery requirements for the best battery experience. The right battery supplier is important in the following ways:
Product quality and performance
Safety standards
Customizations and flexibility
Supply chain reliability
Cost-effectiveness
Technical support
Now it’s time to explore the top 5 battery factories that have enough potential and capabilities to provide the best batteries.
Samsung SDI
Ufine Battery
Molicel
Golisi
Efest Power
Overview
Samsung SDI is a well-established South Korean company founded in . Having a long history, the company has a wide range of lithium batteries, from small cylindrical cells, including batteries, to powerful ESS storages. Samsung SDI is very focused and investing heavily in R&D to manufacture innovative advanced batteries.
There are 2 manufacturing plants in South Korea and 4 worldwide, including China, Germany, and the United States. Samsung SDI supplies batteries to various industries, including electric vehicles, power tools, and energy storage systems, making it one of the most trusted names in the market.
Key Features of Samsung SDI Battery
High capacity, typically around mAh
Good balance of price and specs
Wide temperature range beween -20 to -80°C
Excellent cycle life with over 500 cycles
Excellent when operated in series
Overview
Ufine Battery is a manufacturer of Chinese lithium-ion and lithium polymer batteries. It was established in and officially registered as Dongguan Ufine Electronic Technology Co., Ltd. it is the leading Chinese battery manufacturer in the country, which also offers battery customization services even when buying a single battery piece. Ufine is headquartered in Shenzhen; Ufine has made a name for itself in the global market with its high-quality products and customer-focused approach.
Ufine has designed and produced more than specs of batteries, including battery models. Currently, the company has onboarded 30 R&D specialists for the development of advanced battery technology, 200 production personnel, and a sales team of over 35 professionals. So you can consider Ufine as a reliable and efficient battery supplier for battery needs.
Key Features of Ufine Battery
High energy density
Can operate in extreme temperature
Long cycle life of over 300+ cycles
Stable discharge rate ranging from 0.2C to 0.5C
Internal resistance less than 30mΩ
Overview
Molicel, a subsidiary of E-One Moli Energy Corporation, started its journey in with a physics lab at the University of British Columbia (UBC). Later on, in , E-One Moli Energy Corporation was formed under the Taiwan Cement Corporation (TCC) group. Molicel is known for producing high-performance cylindrical cells, including the battery.
With a strong emphasis on innovation and quality, Molicel has become a preferred supplier for industries requiring reliable and powerful battery solutions. The company’s batteries are designed for high-drain applications. It is ideal for power tools, electric vehicles, and other demanding environments. Molicel’s dedication to research and development ensures that its batteries deliver consistent performance and safety.
Key Features of Molicel Battery
High continuous discharge rate up to 45A
Lightweight 70g in mAh capacity
Long cycle life with reliable performance
Fast charging capability
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Strong steel case with better heat management
Overview
Golisi is a Chinese battery manufacturer and supplier. It was established in and headquartered in Shenzhen, Guangdong, China. Within a short period, the company has gained much popularity in small cylindrical batteries. Golisi has a production facility in China that is 10,000 square meters and is equipped with high-technology machinery. In manufacturing , , , and battery models, Golisi follows strict quality control protocols to meet international standards. The company is now expanding its global reach by supplying its product to over 50 countries worldwide. Other than li-ion batteries, Golisi manufactures battery accessories, chargers, and portable power stations.
Key Features of Golisi Battery
High energy density in mAh capacity
Stable performance even 30A load
Long cycle life exceeding 300 cycles
High-performance CDC technology
Hand-wearing wrap for better safety
More battery certifications CE, ROHS, FCC, MSDS, WEEE, UN38.3
Overview
Efest was established in and is headquartered in Shenzhen, Guangdong, China. The company is a major hub for electronic manufacturing and is famous for producing high-quality batteries and charging solutions. It is a joint venture company invested by DCB and an expert team from Hong Kong, Canada, and Japan with a focused approach to the lithium battery industry development.
Efest utilizes the latest international Manganese-based lithium battery technology backed by international standard certifications such as UL, CE, RoHS, UN38.3, MSDS, etc. If you are looking for an advanced technology-based battery, Efest will not let you down.
Key Features of Efest Battery
High capacity with 30A discharge rate
Wide temperature operating range
Long life of up to 500 cycles
Advanced technology and certifications
The battery has gained popularity for its high capacity, energy density, and versatility, making it a top choice for a wide range of applications. When choosing the right supplier, it’s essential to consider factors like performance, safety, and cycle life to ensure you get the best battery for your needs.
Among the top 5 suppliers listed, Ufine Battery stands out for its customer-focused approach and the ability to customize batteries for unique requirements. However, other industry leaders like Samsung SDI, Efest Power, Golisi, and Molicel also offer exceptional products that cater to various applications. With this list, you can make an informed decision when selecting the right battery supplier.
A Li-ion battery is a cylindrical rechargeable lithium-ion cell with a standard size of 21mm in diameter and 70mm in length. Originally developed by Tesla for electric vehicles, the format is now widely used in power tools, medical devices, high-performance flashlights, and industrial energy storage systems.
Higher Capacity: cells typically range from mAh to mAh, whereas batteries offer mAh to mAh.
Better Energy Density: More efficient power storage means longer runtimes for devices.
Enhanced Performance: Higher discharge rates and longer lifespan, reducing replacement costs.
For businesses, using rechargeable batteries ensures higher efficiency, lower operational downtime, and improved sustainability.
The term ICR battery refers to a Lithium Cobalt Oxide (LiCoO2) chemistry, commonly used for applications requiring high energy density but moderate discharge rates.
High Energy Density: Ideal for devices that require longer battery life.
Lower Discharge Rate: Typically below 10A, making them unsuitable for high-drain applications.
Common Uses: Consumer electronics, medical devices, and backup power systems.
If your business requires batteries for power tools, high-drain vaping devices, or electric vehicles, IMR (Lithium Manganese Oxide) or INR (Nickel Manganese Cobalt Oxide) batteries would be a better fit due to their higher discharge rates.
When selecting a battery , businesses should consider different chemistry types and their applications:
For most industrial and commercial applications, INR batteries are the preferred choice due to their balance between capacity, discharge rate, and safety.
Selecting the right rechargeable batteries depends on several factors:
For High-Drain Applications: Choose IMR or INR batteries with a discharge rate of 20A or higher.
For Long Runtime Applications: ICR batteries offer higher energy density but lower discharge rates.
Protected Batteries: Feature built-in BMS (Battery Management System) to prevent overcharging, over-discharging, and overheating. Ideal for consumer electronics and medical devices.
Unprotected Batteries: Provide higher discharge rates, suitable for power tools and high-performance applications.
Businesses should source battery cells from reputable manufacturers that meet ISO, UL, and IEC safety certifications to ensure reliability and compliance with regulations.
The Li-ion battery has revolutionized commercial and industrial energy storage by offering higher capacity, longer lifespan, and greater efficiency than its predecessors. Whether you need an ICR battery for consumer electronics, rechargeable batteries for high-drain applications, or a specialized battery for energy storage, choosing the right product ensures optimal performance and cost-effectiveness.
For businesses seeking high-quality, reliable batteries, working with certified suppliers and understanding the key specifications can help maximize efficiency and profitability.
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