Bak N21700CG-50E 5000mah 3.6v Cylindrical Lithium Ion Battery for Electric Two Wheeler Garden Tool Battery Pack
Weighing only 70g, it is suitable for various applications such as power tools, AGV, two electric cars, electric scooters and electric bike battery packs.
The battery is manufactured by BAK a well-known Chinese lithium battery manufacturer, and is CE certified to meet international quality and safety standards.
With a size of 21*70mm and a cycle life of 600 times, the Bak N21700CG-50E is an ideal durable power source for your custom battery pack assembly.
It can be customized with a variety of custom terms, including PCB, wires and connectors.
The21700 3.6V 5000mAh lithium-ion cell from BAK is a top-tier High capacity battery designed to meet the demanding requirements of long-duration power applications. With a nominal voltage of 3.6V and a typical capacity of 5000mAh, the 21700 3.6V 5000mAh battery delivers outstanding energy storage, making it an ideal choice for users seeking a reliable Flashlight Battery with extended runtime. Whether you're using it in handheld lighting devices, camping gear, or emergency kits, the 21700 3.6V 5000mAh cell ensures dependable performance.
Engineered as a High capacity battery, the BAK 21700-50E offers more than just endurance. With a maximum continuous discharge current of up to 14.7A, this High capacity battery is also capable of powering mid-drain devices with stable output. The internal structure of this High capacity battery is optimized for energy density, safety, and cycle life, offering more charge cycles and less degradation over time. This makes the High capacity battery particularly suited for outdoor tools and lighting equipment that require long operating hours.
As a leading Flashlight Battery, the BAK 21700-50E provides consistent brightness and long-lasting illumination in high-performance flashlights. A Flashlight Battery with this specification ensures campers, emergency responders, and outdoor professionals can rely on their gear in the dark. The stable 3.6V output and 5000mAh capacity allow the Flashlight Battery to maintain strong light levels even during prolonged use. Furthermore, the compact form factor of the 21700 3.6V 5000mAh cell allows designers to build slimmer, lighter devices without sacrificing performance.
In multi-cell configurations, the 21700 3.6V 5000mAh battery enables scalable power solutions, and when used in parallel, it significantly increases total runtime. Whether you're assembling a pack for lighting systems or upgrading a portable device, this 21700 3.6V 5000mAh battery is a flexible and future-ready choice. Its chemistry and design adhere to international safety and quality standards, reinforcing its role as a leading High capacity battery in the industry.
The BAK 21700-50E has become a preferred Flashlight Battery among professionals and hobbyists due to its balance of power, capacity, and safety. In high-lumen flashlights where continuous brightness is crucial, this Flashlight Battery ensures minimal voltage drop and consistent light output. It's also resistant to overheating, providing a stable experience even under extended use. From tactical lights to camping lanterns, the Flashlight Battery performance of this cell sets it apart in reliability.
To summarize, the 21700 3.6V 5000mAh battery is an ideal High capacity battery solution for portable devices that demand endurance, safety, and efficiency. As a trusted Flashlight Battery, it enhances performance in outdoor, tactical, and emergency lighting applications. Choose the 21700 3.6V 5000mAh BAK 50E cell for your next Flashlight Battery upgrade and experience the advantages of a truly optimized High capacity battery.
The21700 3.6V 5000mAh lithium-ion cell from BAK is a top-tier High capacity battery designed to meet the demanding requirements of long-duration power applications. With a nominal voltage of 3.6V and a typical capacity of 5000mAh, the 21700 3.6V 5000mAh battery delivers outstanding energy storage, making it an ideal choice for users seeking a reliable Flashlight Battery with extended runtime. Whether you're using it in handheld lighting devices, camping gear, or emergency kits, the 21700 3.6V 5000mAh cell ensures dependable performance.
Engineered as a High capacity battery, the BAK 21700-50E offers more than just endurance. With a maximum continuous discharge current of up to 14.7A, this High capacity battery is also capable of powering mid-drain devices with stable output. The internal structure of this High capacity battery is optimized for energy density, safety, and cycle life, offering more charge cycles and less degradation over time. This makes the High capacity battery particularly suited for outdoor tools and lighting equipment that require long operating hours.
As a leading Flashlight Battery, the BAK 21700-50E provides consistent brightness and long-lasting illumination in high-performance flashlights. A Flashlight Battery with this specification ensures campers, emergency responders, and outdoor professionals can rely on their gear in the dark. The stable 3.6V output and 5000mAh capacity allow the Flashlight Battery to maintain strong light levels even during prolonged use. Furthermore, the compact form factor of the 21700 3.6V 5000mAh cell allows designers to build slimmer, lighter devices without sacrificing performance.
In multi-cell configurations, the 21700 3.6V 5000mAh battery enables scalable power solutions, and when used in parallel, it significantly increases total runtime. Whether you're assembling a pack for lighting systems or upgrading a portable device, this 21700 3.6V 5000mAh battery is a flexible and future-ready choice. Its chemistry and design adhere to international safety and quality standards, reinforcing its role as a leading High capacity battery in the industry.
The BAK 21700-50E has become a preferred Flashlight Battery among professionals and hobbyists due to its balance of power, capacity, and safety. In high-lumen flashlights where continuous brightness is crucial, this Flashlight Battery ensures minimal voltage drop and consistent light output. It's also resistant to overheating, providing a stable experience even under extended use. From tactical lights to camping lanterns, the Flashlight Battery performance of this cell sets it apart in reliability.
To summarize, the 21700 3.6V 5000mAh battery is an ideal High capacity battery solution for portable devices that demand endurance, safety, and efficiency. As a trusted Flashlight Battery, it enhances performance in outdoor, tactical, and emergency lighting applications. Choose the 21700 3.6V 5000mAh BAK 50E cell for your next Flashlight Battery upgrade and experience the advantages of a truly optimized High capacity battery.


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.
We provide a wide range of products, including 18650 batteries, 21700 batteries, lifepo4 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. Can be customized according to customer needs.
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.


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