Custom Lithium-ion Battery Manufacturer

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Who Are We?

The professional Lithium Polymer Battery manufacturer in China
Ufine, founded in 2008, is a comprehensive lithium battery manufacturer and supplier with a super factory over 10,000 square meters. We have obtained multiple product certifications and patents, gaining support from over 1,000 customers in overseas markets. Moreover, Ufine has been dedicated to the research of five types of lithium batteries, widely used in 3C digital, energy storage, transportation, medical, aerospace, and other fields.
Other services provided by Ufine


Free Design Services

No minimum order quantity for samples

Technical Consultation Services

Learn More About Us

Why Choose Ufine Battery?

We Are Different in
  • Global Leader in Diverse Lithium Batteries

    As a professional lithium ion battery supplier, Ufine leads the industry with a diverse range of lithium battery models, produces over 100,000 units daily to ensure a consistent supply. Our global presence spans more than 1,000 long-standing partnerships across Europe, North America, the Middle East, East Asia, and beyond, a testament to our commitment to specialized products.

  • Safety is our top priority

    Ufine's products undergo eight rigorous safety tests, ensuring uncompromising safety and quality. Our extensive portfolio includes 100+ product certifications, such as KC, PSE, CQC, and ROHS, further underlining our commitment to safety.

  • Advanced Team and Equipments

    With a dedicated battery core safety testing laboratory, we leave no room for compromise. Our agile team includes over 30 sophisticated R&D experts and over 200 product engineers, always ready to provide swift battery solutions.

Talk to an Engineer
  • 100000+units
    Daily production
  • 35+
    Strong Sales Team
  • 30+
    R&D Experts
  • 200+
    Product Engineers
  • 8tests
    Safety Equipment
  • 2 Million+
    Battery Stock
Over 1000 awesome brands using Ufine Battery
Customer Feedbacks
Ufine battery packs a powerful punch. It has never failed to provide enough energy to keep our devices running smoothly. From our smartphone to my portable speakers, this battery has got it covered.
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The energy density of the LifePO4 battery is truly remarkable. Despite its compact size, it is capable of storing a significant amount of energy, which has proven to be extremely beneficial for our various electronic devices. This battery has consistently provided a reliable and consistent power source.
customer avatar 1
Ufine is indeed a reliable lithium battery manufacturer. We have been working with Ufine for more than 5 years, and they have always provided us with high-quality and safe lithium batteries. We are also very satisfied with their fast delivery and after-sales support!
customer avatar 1
I also love how fast it charges. It's like a little energy boost for our devices whenever I need it. Plus, it's so easy to recharge. I simply plug it in and it quickly powers up, ready for another round of charging.
customer avatar 1
The long-lasting nature of LifePO4 batteries ensures that I can rely on them to provide consistent power for prolonged periods. Overall, I am extremely satisfied with the rigorous and accurate performance of LifePO4 batteries, and I highly recommend them to anyone in need of a reliable and long-lasting power source.
customer avatar 1
From the moment I reached out to inquire about their customized lithium batteries, their team was incredibly attentive and responsive. They took the time to understand our specific requirements and provided valuable guidance in selecting the right battery for our needs. Their expertise and willingness to go above and beyond to ensure customer satisfaction truly impressed me.
customer avatar 1

Information About Lithium Battery at Ufine

  • 18650 Battery Tips

  • Lithium Polymer Battery Tips

  • LiFePO4 Battery Tips

  • Battery Pack Tips

  • Battery Terms Tips

differences between imr icr inr and ifr 18650 batteries
In 18650 batteries, discerning the differences among IMR, ICR, INR, and IFR types is fundamental for tailored and efficient battery usage.
how to store 18650 batteries
How to properly store 18650 batteries? This guide ensures safety. Learn tips, rules, and methods for longer-lasting, safer use and storage!
18650 vs aa battery
18650 and AA batteries power our daily devices. This comparison explores the differences between these two common battery types in various applications.
21700 vs 18650 battery
21700 vs. 18650 Battery": Learn differences in advantages, drawbacks, uses, and definitions for informed energy storage decisions.
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What is a LiHv Battery? Learn its definition, characteristics, applications, and differences from LiPo batteries. Discover their importance across industries.
lithium vs alkaline batteries
Lithium vs alkaline batteries, exploring their characteristics, advantages, and disadvantages to help you make an informed choice for powering everyday devices.
how to charge lithium ion batteries
Lithium-ion batteries power our devices and vehicles. Knowing how to charge them is crucial for performance and longevity. Learn more in this article.
types of lithium batteries
What types of lithium batteries? Explore their categorization based on electrode materials, appearance, outsourcing, and cell types. This article introduces the various kinds, highlighting their unique advantages and disadvantages.
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lifepo4 voltage a guide to understanding
The nominal voltage of a single lithium iron phosphate battery is 3.2 V, the charging voltage is 3.6 V, and the discharge cut-off voltage is 2.0 V.
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Comparing LiFePO4 and Lithium-ion Polymer batteries is a journey into energy storage. This article explores the core differences, strengths, and weaknesses of these prominent technologies.
what is a lifepo4 battery cell
Discover the significance of LiFePO4 batteries with their unique chemistry and diverse industrial applications. Explore their construction, advantages, limitations, and role in the energy storage ecosystem in a comprehensive article.
ternary battery or lfp battery
Ternary lithium and LiFePO4 (LFP) batteries can be distinguished by their respective cathode chemistries. Ternary lithium batteries use a cathode material composed of lithium, nickel, cobalt, and manganese.
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lithium ion battery pack process and composition
A lithium-ion battery pack mainly combines battery cells, battery protection plates, battery connecting sheets, label paper, etc., through the battery PACK process to process them into the products that customers want.
what is an 18650 battery pack
Delve into the versatile world of 18650 battery packs, pivotal in modern energy storage solutions. Uncover their evolution, diverse applications, design intricacies, and optimal charging methods in this comprehensive article.
what is a lithium ion battery pack
Lithium-ion battery packs have become integral to various industries due to their unique properties. This article delves into the composition, working mechanism, types, benefits, and frequently asked questions surrounding these essential power sources.
what are battery cells battery modules and battery packs
There are battery cells, modules, and packs in the battery field. What do they all mean, and what's the difference?
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cylindrical vs square vs soft pack lithium batteries compared
The three shapes of lithium batteries will eventually become cylindrical batteries, square batteries and soft pack lithium batteries through cylindrical winding, square winding, and square lamination.
how to calculate battery run time
How do you calculate battery run time? Do you want your device's charge longevity? This guide includes battery run time, calculator usage, formula, examples, and factors.
what does ah mean on lithium ion batteries
What is an Amp hour? Ah is vital in lithium-ion batteries, reflecting capacity and performance. This article explores its essence and role.
what does c mean in batteries
What is Battery C Rating? Understanding its significance is crucial for battery performance optimization. We explore its meaning, calculation, and variations.
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