Best-selling Lithium-Ion Batteries
Battery Applications
Meeting Your Needs – The Ufine Way!
Through rigorous research and development, our high-quality batteries offer dependable
energy solutions for a wide range of sectors, including electronics, 3C digital, energy
storage, transportation, medical, and aerospace.
Who Are We?
The professional Lithium Polymer Battery manufacturer in China
Ufine(fully named Dongguan Ufine Electronic Technology Co., Ltd,), 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
OEM & ODM
Free Design Services
No minimum order quantity for samples
Technical Consultation Services
Why Choose Ufine Battery?
We Are Different in
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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.
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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.
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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.
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100000+unitsDaily production
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35+Strong Sales Team
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30+R&D Experts
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200+Product Engineers
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8testsSafety Equipment
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2 Million+Battery Stock
Over 1000 awesome brands using Ufine Battery
Customer Feedbacks
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Information About Lithium Battery at Ufine
18650 Battery Tips
Lithium Polymer Battery Tips
LiFePO4 Battery Tips
Battery Pack Tips
Battery Terms Tips
18650 capacity is an important parameter of the 18650 battery. What's the 18650 maximum capacity? Here we learn 18650 capacity and check 18650 capacity.
18650 battery voltage is one of the important parameters of the 18650 battery. Knowing the 18650 battery voltage is important for protecting the 18650 battery.
In 18650 batteries, discerning the differences among IMR, ICR, INR, and IFR types is fundamental for tailored and efficient battery usage.
Explore 18650 batteries: 4.2V vs. 3.7V. Compare charging specs, performance, and uses to find the best option for your needs in this expert guide.
How to revive a dead battery? Learn the causes, tips for reviving dead batteries, common lithium-ion issues, and the importance of regular maintenance.
Does fast charging affect battery life? Discover the pros & cons of fast vs. slow charging for lithium batteries. Optimize performance & longevity.
Learn how to safely dispose of swollen lithium polymer (LiPo) batteries to prevent leaks, fires, or explosions. Follow essential safety guidelines.
Lithium-ion batteries power our devices and vehicles. Knowing how to charge them is crucial for performance and longevity. Learn more in this article.
Know about Lithium iron phosphate battery prices from a manufacturing perspective to popular brands. Explore current price per kWh and future price predictions.
The LiFePO4 voltage chart is key to understanding battery performance and safety. This guide covers essential voltage details and a reference chart.
This article details how to charge and discharge LiFePO4 batteries, and LFP battery charging current. This will be a good help in understanding LFP batteries.
Discover essential insights on LiFePO4 cycle life. Learn how to maximize battery performance and longevity. Start optimizing your energy storage today!
This is a guide from a battery manufacturer. Learn how to build a LiFePO4 battery pack with simple steps and expert tips.
Uncover the secrets of how lithium-ion battery pack processes and components are manufactured in lithium-ion battery factories.
Here we'll talk about the differences between battery cells, modules, and packs, and learn how to tell these key components for effective battery management.
An 18650 Battery Pack Calculator is vital for optimizing power solutions and simplifying battery pack assembly, ensuring efficiency and longevity.
Use our battery run time calculator formula to estimate device runtime. Learn how to calculate battery life for smartphones, laptops, solar panels & more.
What is an Amp hour? Ah is vital in lithium-ion batteries, reflecting capacity and performance. This article explores its essence and role.
What is Battery C Rating? Understanding its significance is crucial for battery performance optimization. We explore its meaning, calculation, and variations.
Explore batteries in series vs. parallel: key differences, advantages, disadvantages, and step-by-step guides to choosing the right setup for your application.
Learn about 12V 100Ah lithium-ion battery price, from cost ranges to best brands, hidden fees, and how to get the best deal. A must-read for smart buyers!
Explore 12V LiPo batteries in depth—types, cell structure, comparisons, and how to choose. Find your ideal power solution with expert tips.
A portable 12V battery pack offers power anywhere. This guide covers its benefits and compares lithium-ion with traditional options.
Need a 12V 4Ah battery? We'll help you choose! Find compatible options for your electronics or mobility scooter. Read our simple tips and buy confidently!
Lithium 24V batteries are replacing lead-acid in golf carts, offering better performance and numerous advantages over older technologies.
Get the best 24 volt battery models of 2025. Choose between budget-friendly to mid-range and strong build to smart to according to your needs.
With rising demand for efficient energy storage, the 24V LiFePO4 battery excels. This guide covers its features, benefits, and applications.
Looking for a 24V lithium ion battery? This guide covers types, key parameters, capacity, pricing, charging, and maintenance tips to help you choose a battery.
Want to understand 3.2 Volt lithium batteries? Explore their features, uses, and maintenance tips. Start learning how they can help you today!
Discover the basics of 3.2v AA batteries. Learn how they work and their uses. Click now for a simple guide to enhance your battery knowledge!
Want to understand 3.2 volt batteries? Get clear info on their types, features, and applications. Start your learning adventure today!
Explore the 3.2V LiFePO4 battery: its benefits, applications, lifespan, and safety. Learn how to build 12V, 24V, and 48V battery packs step-by-step.
Discover what a 1S LiPo battery is, its voltage, capacity and more. Learn why it’s a top choice for portable devices. Perfect for tech enthusiasts!
Get to know the types of 3.7v Li-ion batteries available. Make the right choice for your gadgets. Read on for crucial insights and tips!
Looking for the best 3.7 V lithium-ion cell manufacturers in Our guide highlights trusted brands that deliver quality and performance. Get started!
Confused about 3.7 volt lithium rechargeable batteries? This guide breaks down types, key parameters, capacities, and pricing to help you choose the perfect battery for your needs.
The 36V 100Ah lithium battery powers vehicles and devices with its lightweight, efficient, and long-lasting design for various applications.
Choose the right 36V trolling motor battery for smooth performance on the water with this guide for enthusiasts and first-time buyers.
Choose the best 36v lithium battery for your needs. Get to know the price, specifications, pros, and cons of renowned battery models to buy the right one.
36V li batteries are the go-to choice for many. Let's dive into what makes the 36V lithium battery unique and why you should consider using it for your devices.
Choosing the right 48V e-bike battery depends on motor size, usage, chemistry, and safety—this guide helps you make the best decision.
Explore 48V LFP batteries designed for optimal energy storage solutions, providing stable power, longer cycles, and unmatched durability for various uses.
Discover why the 48V 100Ah lithium-ion battery's become a top choice. It's powerful, lasts long, & is super efficient! Learn its benefits now.
Explore the best 48V golf cart battery suppliers. Uncover the best-in-class solutions for performance and longevity. Choose excellence for your golf cart.
Looking for top-rated 7.4 V LiPo batteries? Explore our list of the best picks that provide power and longevity. Make your choice now!
Comprehensive guide on 7.4V LiPo batteries: types, capacities, applications, prices, and charging tips.
Confused about 3.7v vs. 7.4v Li-ion batteries? Understand their unique features and choose the right battery for your device today.
Unlock the secrets of 2S LiPo batteries, from decoding their voltage to selecting the best manufacturers. Dive into this comprehensive guide now!
Are you looking to learn the meaning of Battery Management System? Here is a detailed guide that will help you understand everything about it simply and easily.
Choosing the Best Insulated Battery Box for Lithium Batteries? Discover key factors such as size, material, and safety for optimal protection and performance.
Discover the best USB LiPo chargers for drones, RC, and DIY. Learn how they work, why they matter, and how to choose the right one safely.
Discover the best fireproof battery bags for safe storage & travel. Prevent lithium battery fires with expert tips & top-rated picks. Essential read!
Float charging helps lithium batteries last longer. Learn how to charge right and avoid early failure in solar, RV, or backup setups.
Small battery charging is key to lithium battery safety and lifespan. Learn best practices, safe methods, and mistakes to avoid in this guide.
A portable battery charger includes any portable charging device, while a power bank stores energy in a battery to charge devices without a power source.
A portable battery charger keeps devices powered on the go. This guide covers its definition, materials, and how it works for easy understanding.
Battery tech knowledge vital for content.Article explores differences: battery cell, module, pack.Covers definitions, designs, features, applications.
18650 and AA batteries are used in various devices. Discover which battery is best for your needs by comparing energy capacity, performance, and applications.
21700 vs. 18650 Battery: Learn differences in advantages, drawbacks, uses, and definitions for informed energy storage decisions.
Aluminum air vs lithium-ion: non-rechargeable but high energy density vs. rechargeable and widely used in EVs, electronics, and storage systems.
Wondering how a battery works? This guide explains the science behind battery operation, including charging, discharging, and performance factors.
Learn about lithium button batteries (CR2032, CR2025), their uses, safety tips, and how to replace them properly.
Learn what lithium cell voltage means, key ranges (Li-ion, LiFePO4), and how it impacts battery performance & safety.
Will a bloated LiPo battery explode? Discover the causes, risks, safety steps, and expert tips to avoid disaster and protect your gear. Must-read safety guide!
An aluminum air battery uses aluminum and air to generate power. Learn its materials, assembly steps, and tips to boost energy output and efficiency.
White stuff on battery terminals is corrosion. Learn how to clean it safely, prevent damage, and keep your battery running strong with simple steps.
Glass mat batteries power cars, RVs, and solar systems. Learn how they work, their benefits, and what to consider before choosing one.
The 14250 battery offers high energy density and reliability. Explore its specs, types, advantages, applications, and safety best practices.
Discover the best lithium batteries for RVs! Compare top 10 picks, key benefits, and buying tips for efficiency and sustainability.
Are you looking for the right 18650 battery for your device? Here are some of the best 18650 batteries that you can consider using for your different devices.
Where is the best-rated 14500 battery 3.7V Li-ion rechargeable available? Here is an elaborative guide to help you through the process.
Are you looking for the best lightweight battery pack for travel? Here are the top 10 lightweight batteries for your needs, so you can use them on the go.
What must be on a lithium battery shipping label? Learn 7 key elements to ensure safety, legal compliance, and correct handling across all transport modes.
Discover different battery packaging types, safety rules, and how proper packaging impacts performance. Learn about lithium, solar, car battery packaging!
Flying with lithium batteries is allowed but with limits. This guide covers airline rules, safety tips, and proper packing for air travel.
Flying with lithium ion batteries? Understand airline regulations to avoid issues. Stay informed and travel safely with your devices.
Battery circuits power our daily electronics, facilitating controlled energy flow. Explore their fundamentals, types, and maintenance in this concise guide.
Lithium is a pure metal, while lithium salts are stable battery compounds. Learn their key roles and differences in battery manufacturing.
Lithium salts in electrolytes are key to battery performance, powering everything from phones to EVs and shaping the future of clean energy.
Resistance and conductivity impact lithium battery performance, lifespan, and safety—learn how they work and why they matter.
Discover the top 12 18650 lithium battery manufacturers in 2025, featuring cutting-edge technology and innovations. Find the best supplier for your needs!
Compare the top 10 Chinese Li-ion battery manufacturers' production capacity, UN/IEC certifications, and OEM services for EVs and energy storage solutions.
Lithium-ion battery manufacturers are crucial to energy storage and tech innovation. This article reviews the top 20 lithium battery companies.
Searching for a reliable lithium ion battery servicing near me? Here is an exclusive guide with the top 10 best Lithium Ion battery servicing you can consider.
UN3481 vs UN1323: UN3481 is for lithium batteries in equipment, while UN1323 covers flammable solids and doesn't apply to batteries.
Learn all about UL certification! Find out what it is, why it matters, and how to get certified. Start your journey to compliance today!
The rise of renewable energy has increased battery use for storage. This article explores how CE batteries ensure safety, compliance, and regulations.
Explore key battery certifications like UL, IEC, CE, and UN38.3. Learn costs, timeframes, and requirements for global markets to ensure safety and compliance.
Choosing the right electric fence battery is key to security. This guide helps you pick a reliable farm, garden, or animal power source.
Confused about RC car LiPo batteries? This guide covers voltage, C-ratings, balancing & storage. Boost your speed today!
Learn everything about RC buggy battery types, charging, capacity, and care. Find the best battery and tips to make your RC car run longer and faster.
A car audio battery provides steady power for amplifiers and subs. This guide compares lithium vs. traditional options and top brands.
A full guide on 10000mAh li-ion batteries, voltage, usage time, and tips. Discover how a 10000mAh battery works, how long it lasts, and how to choose.
Understand 10440 batteries better—size, voltage, safety, and how they compare to AAA. Find the best fit for your high-performance devices.
Discover the power of AA size lithium batteries—types, voltage, capacity, and more! Learn how to choose the best one for your needs. Read now!
Discover everything about 2200mAh batteries—types, charging time, lifespan, and whether it’s enough for your device.
Great power batteries deliver high performance for EVs, solar, and more. Learn why lithium is the top choice for power, lifespan, and efficiency.
Need power for your fish finder or motor? This guide makes choosing the right kayak battery easy with tips on types, specs, and performance.
What’s the best deep cycle battery size for you? Get clear insights and tips to match batteries with your devices. Check it out!
Find out why dual-purpose marine batteries are a smart choice for boaters. Read our guide to make an informed decision and boost your trips!
Are you looking for a reliable Blood Pressure Monitor battery? Here is a complete guide with the top 10 best blood pressure monitor batteries.
You may find many glucose meter batteries, but finding the ideal one takes time. So, we hand-picked the top 10 glucose meter batteries to fit varied needs.
With many digital thermometer batteries available, finding the ideal one can be challenging. We’ve listed the best options with top performance.
Blood pressure monitors battery guide: Compare alkaline vs lithium types, lifespan data, and replacement steps. Expert tips for accurate readings.
Discover li-ion cell prices, key market factors, and how to find affordable custom batteries from top suppliers like Ufine Battery.
Explore the power, safety, and innovation of BYD lithium batteries, including Blade Battery and LFP tech for EVs and energy storage.
U.S. tariffs on Chinese lithium batteries in 2025 impact costs, supply chains, and EV, energy storage, and electronics industries globally.
China controls 80% of the world's LFP battery production. Discover how government policy, innovation, and cost advantages made it the undisputed leader in EV and energy storage tech.
Learn all about AA 3.6V lithium batteries—voltage, size, capacity, uses, and the best replacements. Discover why they’re powerful, and highly reliable.
Confused by coin battery sizes? We'll explain everything simply. Find the right battery for your device now. It's easier than you think!
Tiny round batteries play a big role in your portable devices. Discover their impact on performance and longevity. Get informed and shop smart!
Discover how many amperes a 9V battery delivers, its capacity, discharge rate, and much more. Get all the details on current, types, lifespan, and alternatives.
Selecting the ideal floor scrubber battery ensures a long runtime, rapid charging, and minimal maintenance for efficient commercial cleaning operations.
Battery for blower vs leaf vacuum—learn the key differences in power, fit, and runtime to choose the right battery for your outdoor tool needs.
Choosing the right blower battery? Consider voltage, capacity, chemistry & usage. This guide helps match the best battery for peak performance.
Discover the best circular saw battery types, voltages, and how to extend battery life. Learn all you need before buying. Get expert tips and real answers here.
NiMH batteries are rechargeable and hold more energy than nickel-cadmium. This article covers their function, benefits, drawbacks, and compares to Lithium-ion.
A 14V battery delivers more power than a 12V, ideal for tools, electronics, and vehicles needing extra energy in a compact form.
Liquid metal batteries use liquid metals for efficient, long-lasting energy storage. This guide covers their working principles, benefits, and uses.
Lithium capacitors combine supercapacitor and Li-ion battery benefits, offering fast charging, high power, and longevity for various industries.
Confused about trailer batteries? We'll guide you through voltage, capacity, & types. Find the perfect power source for worry-free adventures. Read more now!
Deep cycle camper batteries boost power. They're reliable and last. Learn if this upgrade's worth it for your RV adventures. Read now!
Confused about charging your camper battery? Don't sweat it! Learn easy methods & keep your adventures powered. Get started now!
Confused about your garden tractor battery? Find the right battery & keep your lawn tractor running strong! Read more here.
See What Our Customers Ask Frequently
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What is the official website for Dongguan Ufine Electronic Technology Co., Ltd?
Some customers are wondering why there are several domains to show they’re the manufacturers of Dongguan Ufine Electronic Technology Co., Ltd. But indeed, we, the real Ufine Electronic Technology Co., Ltd, only have one official domain that is https://www.ufinebattery.com/. The other domains are owned by our partners and affiliates. -
Can lithium batteries be customized for specific applications?
Yes, lithium batteries can be customized to meet specific requirements. This includes customizing the battery capacity, voltage, size, shape, and other parameters to suit the application's needs. -
What is the minimum order quantity (MOQ) for lithium batteries?
The minimum order quantity of customized batteries is 3000 pcs. There is no minimum order quantity for conventional batteries. -
Can I get samples of lithium batteries before placing a bulk order?
Yes, many suppliers offer samples of lithium batteries for testing and evaluation purposes. However, there are costs associated with obtaining samples, including sample fees and freight charges. -
What certifications should lithium batteries have?
Lithium batteries should have relevant certifications to ensure their safety and compliance with industry standards. Common certifications for lithium batteries include UN38.3 for transportation, IEC 62133 for safety, and RoHS for environmental compliance. -
What are the after-sales services in your company?
We offer one year's battery quality assurance. You can contact us at any time for replacement if there are battery problems.
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