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
-
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.
-
100000+unitsDaily production
-
35+Strong Sales Team
-
30+R&D Experts
-
200+Product Engineers
-
8testsSafety Equipment
-
2 Million+Battery Stock
Over 1000 awesome brands using Ufine Battery
Customer Feedbacks
Jacob
Jesse
Alexander
Vincent
Stephen
Mike
Information About Lithium Battery at Ufine
18650 Battery Tips
Lithium Polymer Battery Tips
LiFePO4 Battery Tips
Battery Charger Tips
Battery Terms Tips
Compare 18650 batteries: 4.2V vs 3.7V. Learn what V stands for, voltage differences, charging, applications, and which battery suits your device.
2025-11-18
Learn how to safely recharge 18650 batteries, choose the best 18650 battery charger, and extend battery life with expert tips and practical strategies.
2025-10-17
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.
2025-7-24
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.
2024-4-26
Discover what happens when lithium batteries touch water. Learn why lithium reacts, releases hydrogen, and may catch fire, plus safety tips to prevent risks.
2025-9-10
Learn how to safely revive a dead lithium-ion battery, troubleshoot charging issues, fix lithium battery problems, and extend battery life.
2025-8-14
Does fast charging damage batteries? Expert comparison of slow vs fast charging for lithium batteries. Learn how to extend battery lifespan with best practices.
2024-3-27
Learn how to safely dispose of swollen lithium polymer (LiPo) batteries to prevent leaks, fires, or explosions. Follow essential safety guidelines.
2024-1-22
Comprehensive comparison of LiFePO4 vs Lithium Ion Polymer batteries: energy density, safety, lifespan, cost. Find out which battery suits your needs in 2025.
2025-12-10
Learn how depth of discharge (DoD), voltage, and temperature impact LiFePO4 battery cycle life. Includes DoD and voltage charts for clarity.
2025-11-7
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.
2025-7-23
Know about Lithium iron phosphate battery prices from a manufacturing perspective to popular brands. Explore current price per kWh and future price predictions.
2024-6-17
Discover how battery cells, modules, and packs work, their engineering roles, and practical guidance for safe and efficient design.
2025-12-15
This is a guide from a battery manufacturer. Learn how to build a LiFePO4 battery pack with simple steps and expert tips.
2024-5-20
Uncover the secrets of how lithium-ion battery pack processes and components are manufactured in lithium-ion battery factories.
2024-2-26
An 18650 Battery Pack Calculator is vital for optimizing power solutions and simplifying battery pack assembly, ensuring efficiency and longevity.
2024-1-5
Discover lithium-ion battery energy density (150–250 Wh/kg, 300–700 Wh/L), its role in EV range, electronics, and future solid-state battery tech.
2025-9-5
Use our battery run time calculator and formula to estimate hours from mAh, Wh, V, W, or A. Includes step‑by‑step guide, solar/inverter tips, and examples.
2025-7-30
What does Ah mean on a battery? Learn how amp hours (Ah) define lithium-ion battery capacity, runtime calculations, and differences between volts vs watt-hours.
2024-2-23
What is Battery C Rating? Understanding its significance is crucial for battery performance optimization. We explore its meaning, calculation, and variations.
2024-2-22
Discover the real lifespan of 12V batteries. Compare lead-acid, AGM, gel, and lithium (LiFePO₄) batteries — and find out why LiFePO₄ lasts over 10 years.
2025-10-17
Explore the key differences between 12V batteries in series vs. parallel. Compare wiring, charging, and performance to choose the right setup.
2025-9-7
A 12 volt battery pack delivers compact DC power for RVs, solar, and devices. Learn how it works, types available, and tips to choose the best one.
2025-9-3
A 12 Volt DC lithium ion battery is a lightweight, efficient power source for RVs, boats, solar, and backup systems. Learn how it works and its benefits.
2025-9-3
Lithium 24V batteries are replacing lead-acid in golf carts, offering better performance and numerous advantages over older technologies.
2024-12-26
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.
2024-9-20
With rising demand for efficient energy storage, the 24V LiFePO4 battery excels. This guide covers its features, benefits, and applications.
2024-8-22
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.
2024-8-20
Want to understand 3.2 Volt lithium batteries? Explore their features, uses, and maintenance tips. Start learning how they can help you today!
2024-12-5
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!
2024-12-4
Want to understand 3.2 volt batteries? Get clear info on their types, features, and applications. Start your learning adventure today!
2024-12-4
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.
2024-5-20
Learn everything about 3.6V lithium batteries — types, voltage differences, lifespan, safety, and differences between 3.6V and 3.7V lithium batteries.
2025-11-12
Discover the ins and outs of 3.7V batteries, including types, capacities, and applications. Learn how to choose the best one for your needs.
2025-11-6
Discover how long a 3.7V lithium ion cell lasts! Learn factors impacting battery life, plus tips to extend its use. Get the most from your devices now.
2025-10-22
Where to buy a 3.7 V lithium-ion battery 850mAh nearby? Learn specs, how to choose the right one, and where to buy it fast from nearby or direct from makers.
2025-7-9
The 36V 100Ah lithium battery powers vehicles and devices with its lightweight, efficient, and long-lasting design for various applications.
2025-2-13
Choose the right 36V trolling motor battery for smooth performance on the water with this guide for enthusiasts and first-time buyers.
2024-12-19
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.
2024-8-23
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.
2024-7-23
48V batteries offer more power and runtime for pros, while 36V batteries are lighter and cheaper, ideal for everyday use. Here's how to choose.
2025-5-6
Struggling to choose the right Ah for your 48V Li-ion battery pack? This in-depth guide covers everything you need to make the best choice. Find out more now!
2025-4-27
Choosing the right 48V e-bike battery depends on motor size, usage, chemistry, and safety—this guide helps you make the best decision.
2025-4-25
Explore 48V LFP batteries designed for optimal energy storage solutions, providing stable power, longer cycles, and unmatched durability for various uses.
2024-8-9
Upgrade 7.2V NiMH to lithium? Learn risks, safety checks, runtime gains, charging changes, and when the upgrade makes financial sense for RC, tools, devices.
2025-12-8
Discover why 7.2V battery and charger prices vary in 2025. Learn key cost factors beyond voltage and mAh to avoid overpaying.
2025-12-8
Learn why 7.2V battery capacity is misunderstood and how to match mAh, runtime, and load to avoid overheating, oversizing, and short runtime.
2025-12-8
Learn how to choose the right 7.2V battery and charger for optimal performance, safety, and longevity across RC, tools, medical, and industrial devices.
2025-12-5
Choosing the right 3S LiPo connector depends on current, space, and use. Learn the pros and cons of XT60, JST, EC3, and more.
2025-7-7
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.
2024-3-26
Learn the clear differences between voltage source inverters and current source inverters. See advantages, applications, and a practical comparison.
2025-12-9
Convert M6/M8 lithium battery terminals to standard SAE posts safely. Learn required adapters, installation tips, and ensure stable, reliable conductivity.
2025-12-8
Understand why balancing is essential for multi-cell LiPo charging. Prevent swelling, extend lifespan, and choose the right LiPo balancer.
2025-12-8
A trickle charger may revive a weak car battery but not one that’s fully drained or damaged. Learn how it works, safe use, and battery care tips.
2025-9-2
Find out which drill battery charger suits your batteries, from fast chargers to brand-specific models, plus safety and maintenance tips.
2025-8-12
Find out if one rechargeable battery charger can handle all battery types. Learn safety tips, battery chemistry, and which chargers are truly universal.
2025-7-16
Lithium batteries last 3–7× longer than alkaline and perform better in cold weather. Compare lifespan, cost, safety, and best uses to choose the right battery.
2025-12-18
Explore the nuanced differences and similarities between 18650 and 26650 rechargeable batteries, empowering you to make informed decisions for your electronic devices.
2024-5-16
Battery tech knowledge vital for content.Article explores differences: battery cell, module, pack.Covers definitions, designs, features, applications.
2024-3-5
18650 and AA batteries are used in various devices. Discover which battery is best for your needs by comparing energy capacity, performance, and applications.
2024-1-29
Wondering how a battery works? This guide explains the science behind battery operation, including charging, discharging, and performance factors.
2024-1-4
Wondering how long a 12V 5Ah battery lasts? Find out the details now and optimize your usage. Get the info you need today!
2025-12-17
Discover what happens if a lithium battery is fully discharged and how to safely recharge 12V batteries to prevent permanent damage.
2025-12-16
Does a higher mAh battery really last longer? Learn what mAh means, real battery life in hours, replacement safety (4000 vs 5000mAh), and real examples.
2025-12-16
Discover how battery balancers improve lithium battery performance, lifespan, and safety. Learn types, functions, and tips to choose the right balancer.
2025-12-18
If you are choosing a big square lithium battery for EVs, solar, RVs, or AGVs, this guide helps you select the right NMC, LFP, or LTO solution with examples.
2025-12-4
Check the latest prices for 18650 batteries, from entry-level to premium lithium-ion cells. Learn tips for buying the best deals online and in bulk.
2025-11-13
Discover how 12.8V LiFePO4 batteries offer longer life, higher efficiency, and safer power for solar systems, RVs, boats, and backup energy solutions.
2025-10-29
Discover the best lithium batteries for RVs! Compare top 10 picks, key benefits, and buying tips for efficiency and sustainability.
2024-3-27
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.
2024-3-25
Discover how to choose the safest 18650 vape battery for your device. Compare the top 10 batteries by capacity, discharge rate, and price. Avoid common mistakes
2025-11-13
Discover the best batteries for smoke detectors in 2025. Compare top 10 9V and AA options for long-lasting, leak-proof, and reliable smoke alarm power.
2025-10-30
Learn lithium battery shipping rules for the U.S., China, U.K., Germany, Japan, Australia & Canada. Stay compliant worldwide.
2025-6-23
Learn how to safely manage bulk battery orders with tips on shipping, storage, and hazmat compliance for smarter, safer logistics.
2025-5-8
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.
2025-4-22
Discover different battery packaging types, safety rules, and how proper packaging impacts performance. Learn about lithium, solar, car battery packaging!
2025-3-28
Battery circuits power our daily electronics, facilitating controlled energy flow. Explore their fundamentals, types, and maintenance in this concise guide.
2024-2-1
We'll explore the basics and provide detailed, step-by-step instructions on how to connect li-ion cells in series, parallel, and series-parallel configurations.
2025-12-17
Worried about your lithium-ion batteries dying from inactivity? Learn why this happens, how to prevent it, and what to do if your battery is already dead.
2025-12-17
Discover the lithium-ion battery fire temperature and learn how to stay safe. Get essential tips to prevent battery fires and protect your devices today.
2025-12-16
Discover the top 12 18650 lithium battery manufacturers in 2025, featuring cutting-edge technology and innovations. Find the best supplier for your needs!
2024-4-19
2025 China top 10 lithium battery manufacturers comparison. Production capacity, UN/IEC certifications, OEM services for EV and energy storage solutions.
2024-1-26
Lithium-ion battery manufacturers are crucial to energy storage and tech innovation. This article reviews the top 20 lithium battery companies.
2024-1-12
Explore our curated list of the 10 best 11.1V 3S LiPo batteries. Find reliable options that enhance your devices' performance and longevity.
2025-11-12
Step-by-step battery load test guide for car, solar & industrial use. Learn how to load test a battery, interpret voltage charts, and avoid common mistakes.
2025-12-18
Learn key safety standards for big square batteries to avoid fire risks, shipping delays, and compliance issues in EV, industrial, and energy storage projects.
2025-12-4
UN3481 vs UN1323: UN3481 is for lithium batteries in equipment, while UN1323 covers flammable solids and doesn't apply to batteries.
2025-4-21
Learn all about UL certification! Find out what it is, why it matters, and how to get certified. Start your journey to compliance today!
2024-12-3
Learn everything about laptop batteries, including types (Li-ion, Li-Po), materials, lifespan, and maintenance tips to keep your device running longer.
2025-12-17
Maximize headphone battery life with expert tips! Learn how to charge, check, troubleshoot, and choose the best bluetooth headphone battery in 2025.
2025-12-10
A complete guide to AED batteries: types, standards, backup battery needs, disposal, and expert tips for safe, long-lasting AED performance.
2025-12-8
Discover the best batteries for flashlights: alkaline, lithium, NiMH & rechargeable options. Tips for performance and maintenance.
2025-11-25
Discover the complete group 35 battery guide with detailed size charts, battery types, pricing, applications, and recommended brands for your car in 2025.
2025-10-23
Discover Group 34 battery dimensions, capacity, CCA ratings, and the best AGM or lithium options. Learn which Group Size 34 battery fits your car.
2025-10-23
Discover everything about 5V batteries, from types and capacities to applications and charging options. Learn how to make the best choice for your power needs.
2025-10-23
Compare rechargeable C cell batteries by type, voltage, capacity, and lifespan. Find the best C batteries for toys, flashlights, and emergency devices.
2025-10-17
Great power batteries deliver high performance for EVs, solar, and more. Learn why lithium is the top choice for power, lifespan, and efficiency.
2025-4-17
Need power for your fish finder or motor? This guide makes choosing the right kayak battery easy with tips on types, specs, and performance.
2025-4-17
What’s the best deep cycle battery size for you? Get clear insights and tips to match batteries with your devices. Check it out!
2025-1-7
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!
2024-12-3
Are you looking for a reliable Blood Pressure Monitor battery? Here is a complete guide with the top 10 best blood pressure monitor batteries.
2025-12-10
Find the right digital thermometer battery size (AAA, AA, CR2032, LR41). Compare types, lifespan, and tips to choose and maintain your thermometer battery.
2025-9-15
Complete guide to blood pressure monitor batteries. Compare alkaline, lithium & rechargeable types, lifespan, and tips for Omron & home BP machines.
2025-8-8
Learn everything about oxygen concentrator batteries—types, prices, charging tips, and custom solutions. Stay powered with confidence and mobility.
2025-6-9
Learn the truth about cheap batteries, hidden risks, and how to find affordable yet safe lithium batteries from Ufine Battery experts.
2025-11-4
Battery quality defines performance and safety. Ufine Battery shares how to source good 18650 batteries and avoid unstable suppliers.
2025-11-4
Explore the biggest lithium producers worldwide. See which countries and mining companies lead global lithium supply in 2025.
2025-9-4
Learn airline rules for power banks, mAh limits, safety tips, and what to do if yours is too big—stay charged and compliant every flight.
2025-7-16
Wondering about the difference between AA and AAA batteries? Learn the key differences, similarities, and when to use each in this detailed guide.
2025-10-27
Discover how many amps a 9V battery can supply, its actual current output, discharge rate, and capacity for alkaline, lithium, and rechargeable 9V batteries.
2025-10-22
Learn the difference between lithium metal AA batteries and other types. Find out if AA batteries are lithium and which type performs best for your devices.
2025-10-22
Learn how long your Level Lock battery lasts, how to replace it, and tips to extend battery life for reliable smart lock performance all year.
2025-10-19
Compare 12V-80V chainsaw batteries for light pruning, medium firewood, and professional cutting. See best battery chainsaw with runtime charts and safety tips.
2025-12-18
Most lawn mowers use 12V batteries, but some range from 6V to 80V. Learn how to check, choose, and maintain your lawn mower battery voltage.
2025-6-5
Learn how to safely remove a lawn mower battery with step-by-step instructions, safety tips, tools, and maintenance advice in this complete guide.
2025-6-5
Discover how to choose the perfect sander battery. Learn about types, voltage, runtime, and custom solutions to power your sander tool more efficiently.
2025-5-22
NiMH vs lithium battery comparison: Energy density, safety, costs. Expert analysis of hybrid car use and medical device applications. Latest cycle life data.
2024-1-19
Learn what 22NF means, its size, specs, types, and lifespan. Find the best 22NF battery for your vehicle or equipment with expert guidance.
2025-11-10
Learn what a 4D battery is, how it works, specs, size, and price. Compare AGM vs lithium 4D batteries and find where to buy them safely.
2025-11-10
Understand hydride battery operation, lifespan, and maintenance. Find out how NiMH batteries power modern devices and hybrid cars.
2025-11-5
Looking for the best wheelchair battery? Compare battery types, prices, lifespan, and expert tips before buying a wheelchair battery.
2025-12-17
Learn how to choose the best battery for your 250W commuter e-bike. Compare sizes, chemistry, and performance for optimal daily use.
2025-12-8
Wondering which moped battery is best? Compare lithium and lead-acid batteries, including lifespan, charging, performance, and the best choice for riding.
2025-12-2
Learn why mobility scooter batteries lose range in winter and how to protect them with charging, storage, and cold-weather care tips for longer battery life.
2025-12-2
See What Our Customers Ask Frequently
-
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.
Get a Free Quote Now!
Your Trusted Partner for Advanced Battery Solutions!
Please fill out the form with your contact details or give us a call, and we will get
back to you within 24 hours.
