Samsung 21700 50E 3.63V 4900mah Cylindrical Rechargeable Lithium Battery

Samsung 21700 50E

Samsung 21700 50E is a 4900mah 14.7A maximum discharge rechargeable lithium battery with a 1-year warranty.

Weighing only 69.5g , it is suitable for various applications such as toys, power tools, AGV, two-wheel electric vehicles, electric scooters, etc.

The battery is manufactured by Samsung a well-known lithium battery manufacturer, and is 3C certified, meeting international quality and safety standards.

Can be customized according to customer needs, including PCB, wires and connectors.

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Alibaba purchase link：Samsung 21700 50E BATTERY

Overview

Product Description

Product Features:

High rate: maximum 14.7A discharge.

Compact size: 21*70mm, light weight, only 69.5g.

Wide range of uses: suitable for power tools, AGV, two-wheel electric vehicles, electric scooters and other products.

Flexible warranty: The warranty period is 1 year, giving you peace of mind.

Rechargeable:Lithium-ion technology ensures long-term availability.

Customizable:Supports custom assembly, providing PCB, wire and connector options.

International compliance: 3C, RoHS, UN38.3 and other certifications ensure safety and quality.

Applications:

Samsung 21700 50E battery cells are used in various fields due to their versatility and reliability.

Its main applications include:

Toys:Power electronic toys and gadgets to extend playtime.

Power tools: Provide energy for a variety of cordless power tools for efficient operation.

Consumer electronics: Support a variety of portable electronic devices, ensuring long service life and stable performance.

These applications prove the adaptability and reliability of Samsung 21700 50E battery cells in different industries, making it a versatile choice for many electronic and transportation equipment.

TheSamsung 21700 Battery (model 50E) is a premium cylindrical lithium-ion cell built for endurance, safety, and performance. As a 21700 4900mAh battery, it delivers outstanding energy storage in a compact form factor, making it a top choice for users demanding extended runtime and stable output. With a maximum continuous discharge current of 14.7A, this High capacity battery offers the ideal balance between output power and long-lasting performance, essential for today’s portable and off-grid energy applications.

TheSamsung 21700 Battery is widely used in high-efficiency personal devices such as electric portable fans, two-way radios, ambient lighting, and outdoor LED systems. Its reliability and longevity also make it perfect for power banks and modular High capacity battery storage units. The 21700 4900mAh battery ensures your devices run longer, safer, and more efficiently, even in rugged environments.

With a nominal voltage of 3.63V and a charging cutoff at 4.2V, the Samsung 21700 Battery offers stable voltage delivery throughout the discharge cycle. This trait is especially critical for High capacity battery applications like hand-held lighting tools and mobile energy systems, where consistent performance is required over extended hours. When used in custom packs, the 21700 4900mAh battery supports both series and parallel configurations, offering scalable energy solutions.

Thanks to its cylindrical design and industrial-grade build, the Samsung 21700 Battery can easily be integrated into devices requiring high energy density in limited space. The 21700 4900mAh battery excels in mobile cooling systems, wireless lighting, and communication tools used in outdoor or emergency settings. Its performance ensures your equipment remains powered during extended activities, positioning it as a reliable High capacity battery in your portable energy toolkit.

As demand grows for longer-lasting, rechargeable energy sources, the Samsung 21700 Battery continues to lead the market. Its 21700 4900mAh battery configuration outperforms many standard lithium cells by combining large capacity with excellent cycle life. Whether you're building an advanced flashlight, upgrading a mobile fan, or developing an off-grid High capacity battery solution, this cell delivers exceptional results with Samsung's trusted quality.

EachSamsung 21700 Battery undergoes strict quality control and safety testing to meet international standards. This ensures that whether it's powering a hand-held flashlight or forming the core of a custom High capacity battery pack, the 21700 4900mAh battery maintains excellent stability and safety across hundreds of cycles.

In off-grid, camping, or tactical environments, the Samsung 21700 Battery is a dependable power source. It provides the energy needed for High capacity battery applications that must perform under real-world conditions. The 21700 4900mAh battery not only lasts longer but also charges faster, making it highly practical for users on the move.

In summary, the Samsung 21700 Battery (50E) is a high-performance 21700 4900mAh battery built for long-duration and medium-drain applications. As a trusted High capacity battery, it powers your essential devices with unmatched consistency, efficiency, and peace of mind—ideal for portable fans, radios, lighting, energy storage, and more.

About us:

Shenzhen Genju Technology Co., Ltd. has 16 years of experience in the lithium battery industry and is a high-tech enterprise integrating R&D, production and sales.

Specializing in the R&D and production of high-quality lithium-ion batteries, it has its own R&D brand SAFD and professional low-temperature lithium battery brand WORWORF.

The company has close cooperative relations with many universities and scientific research institutions, and has signed industry-university-research cooperation agreements with Central South University and Hunan University.

We will take the creation of safer, more stable and more cost-effective lithium battery products as the standard, and provide targeted R&D and private customization services according to the needs of different customers.

With excellent quality, stable supply and thoughtful service, we have strong competitiveness and stand out in the fierce market competition. We have established long-term and stable cooperative relations with many large enterprises and hope to become your partner.

Product range we provide:

We provide a wide range of products, including 18650 batteries, 21700 batteries, lithium iron phosphate cylindrical batteries, lithium primary batteries and OEM/ODM batteries. Our battery pack voltage ranges from 12V to 80V, and the capacity ranges from 7AH to 100AH. It can be customized according to customer needs.

Application:

Our batteries are used in smart two-wheel travel, power tools, smart homes, smart robots, drones, portable energy storage, medical equipment, industrial equipment and other fields. Whatever your needs for battery packs, our batteries can meet and exceed your expectations.

About Us：

1.Experience Genju has 16 years of experience in the battery industry.

2.Main Over the past 16 years, we have cooperated with hundreds of enterprises at home and abroad. We are recognized by most of our peers and customers.

3.Quality We strictly implement each inspection step, including appearance/short circuit quality inspection, electrical inspection, liability testing, etc. To ensure the quality of the product you receive, our batteries have passed UN38.3 certification, IEC62133 certification, MSDS certification, and CE certification. And do final inspection before shipment.

4.After-sales service We provide one year warranty. Our well-trained engineers and staff will respond to your product within 12 hours and help you solve any product problems patiently and sincerely.

5.OEM & ODM Any details (size, material, etc.) can be customized or changed according to your unique requirements.

FAQ：

1. Is the product original?

Yes, 100% original battery. We have been in the lithium battery industry for 16 years and never sell counterfeit batteries. We know that reputation is the way for a company to last long.
We support you to buy samples for testing. No matter how much we say, it is not as accurate as your own test.

2. Is there a minimum order quantity?

There is no limit, but the more quantity, the better the price. Welcome to consult the best price.

3. What products do we mainly sell?

18650, 21700, lifepo4 cylindrical battery, CR123A, lithium battery pack.
Tips: Due to the large number of products in the store, if you want to find the product you need quickly, you can contact us directly and send the product model you want.
Or send the product data you need, we can recommend suitable products for your reference.

4. How long is the delivery time?

Usually 2-5 days (because final inspection is required before delivery). We will arrange delivery for you as soon as possible.

5. Delivery terms

Accepted delivery terms: FOB, CIF, EXW, CIP, DDP;

6. If you are interested in our products, have any suggestions or needs, please contact us.

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