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

Samsung 21700 50GB

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

Weighing only 72.5g , 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 50GB BATTERY

Overview

Product Description

Product Features:

High rate: maximum 14.7A discharge.

Compact size: 21*70mm, light weight, only 72.5g.

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 50GB 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 50GB battery cells in different industries, making it a versatile choice for many electronic and transportation equipment.

TheSamsung 21700 battery(model50GB) is a high-performance Cylindrical Rechargeable lithium-ion cell engineered for modern portable power demands. With a nominal capacity of 5000mAh and a maximum continuous discharge current of 14.7A, the Samsung 21700 battery delivers reliable, long-lasting energy for a broad range of applications. As a trusted Mobile power battery, it is ideal for electric portable fans, two-way radios, ambient lighting, power banks, and energy storage systems designed for outdoor and mobile use.

Built using advanced Samsung lithium-ion technology, the Samsung 21700 battery stands out as a leading Cylindrical Rechargeable power source, offering superior cycle life, thermal control, and energy density. Whether used individually or in packs, each Samsung 21700 battery supports seamless integration into compact systems, making it a preferred Mobile power battery solution in both consumer and industrial sectors.

Designed in a Cylindrical Rechargeable 21700 format, this cell provides the high capacity required for high-efficiency power solutions. The Samsung 21700 battery features excellent discharge stability, making it suitable for continuous use in demanding field environments. This makes it a strong performer in Mobile power battery configurations for portable cooling devices, LED lights, tactical flashlights, and solar-powered equipment.

TheSamsung 21700 battery model 50GB minimizes internal resistance while supporting a stable output under moderate to high loads, ensuring operational safety and long-term reliability. As a result, the Cylindrical Rechargeable cell remains a consistent performer across various voltages and environments. Its adaptability and robust design make it an essential component in mobile energy systems that require a dependable Mobile power batterycore.

Thanks to its cylindrical design, the Samsung 21700 battery can be assembled into modular packs, enhancing scalability and flexibility in device development. It is often selected by engineers seeking a versatile Cylindrical Rechargeable format for use in backup storage, off-grid systems, and high-performance Mobile power batterysolutions.

TheSamsung 21700 battery also supports battery management systems (BMS) for intelligent protection during charging, discharging, and storage. In advanced Mobile power battery systems, this safety layer ensures optimal usage over hundreds of cycles. Each Cylindrical Rechargeable cell meets strict manufacturing standards, ensuring safety and consistency across large production volumes.

When integrated into real-world systems, the Samsung 21700 battery offers stable voltage and long runtime — traits essential for Mobile power battery setups used in outdoor applications, smart devices, or emergency gear. This Cylindrical Rechargeable battery’s ability to maintain performance under diverse loads reinforces its reputation as a premium, reliable power cell.

In summary, the Samsung 21700 battery 50GB model is a top-tier Cylindrical Rechargeable lithium-ion cell built for longevity, energy density, and adaptability. As a high-performance Mobile power battery, it powers a wide range of mobile and off-grid devices with precision and durability. For product designers and end-users alike, the Samsung 21700 battery ensures confidence in every charge.

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.