10 Best 21700 Batteries For 2023


In the world of portable electronic devices, the battery is the unsung hero that empowers our gadgets and keeps them running smoothly. As technology advances, the demand for the best 21700 battery continues to grow. This leads to innovations in battery cell design and composition. The 21700 battery has gained prominence for its balance of size, capacity, and power delivery. These qualities make it a popular choice in various applications. In this article, we’ll explore the 10 best 21700 batteries for 2023, with a special focus on what is the best 21700 battery.

10 Best 21700 Batteries For 2023

1. Molicel INR21700-P42A Battery Cell: A Powerhouse of Energy

The Molicel INR21700-P42A stands out as one of the best 21700 battery available in 2023. This model is manufactured by Molicel, a reputed name in the battery industry. The cell is known for its impressive combination of high capacity and discharge rate. It has a nominal capacity of 4200mAh and a continuous discharge rating of 30A. The cell caters to the demanding applications like high-drain electronic cigarettes. They are also frequently used in power-hungry flashlights.
The chemistry of the INR21700-P42A ensures stable performance over its lifespan. It provides users with a reliable and consistent power source. Its popularity among enthusiasts and professionals alike. This stands as a testament to its exceptional performance and durability.

2. Samsung INR21700-50S Battery Cell: Precision and Power in Harmony

Samsung, a global leader in consumer electronics, brings us the INR21700-50S. It is a battery cell designed for precision and power. It boasts a nominal capacity of 5000mAh and a continuous discharge rate of 10A. This battery strikes a balance between capacity and is considered to be the best 21700 battery in discharge capability.
One of the standout features of the INR21700-50S is its reliability, making it a preferred choice. It is a great choice for applications where a stable power supply is critical. In high-performance flashlights and medical devices, this cell ensures a consistent power delivery.

3. Samsung INR21700-40T Battery Cell: Unleashing High-Performance Potential

For those seeking a 21700 battery with exceptional power output, the Samsung INR21700-40T is a compelling choice. It has a nominal capacity of 4000mAh and an impressive continuous discharge rate of 35A. This battery is tailor-made for applications that demand high power delivery.
The INR21700-40T is well-suited for use in high-performance electronic devices. It is also a great choice for electric vehicles and power tools. Its robust design and advanced chemistry contribute to its ability to handle intense usage. It does all this while maintaining stability and longevity. This why it is considered to be one of the best 21700 batteries.

4. Molicel INR21700-P45B Battery Cell: Efficiency Meets Longevity


Molicel makes another appearance on our list with the INR21700-P45B. It is a battery cell that combines efficiency with longevity. It has a nominal capacity of 4500mAh and a continuous discharge rate of 15A. This caters to a wide range of applications, from vaping devices to high-drain flashlights.
What sets the INR21700-P45B apart is its emphasis on energy efficiency, ensuring that users get the most out of each charge. The battery’s design minimizes heat generation during usage. Thus contributing to both safety and extended lifespan.

5. Samsung INR21700-50G Battery Cell: Optimal Performance for Various Devices

Samsung INR21700-50G is a versatile battery cell that offers optimal performance. It is sought out preference for a variety of electronic devices. It has a nominal capacity of 5000mAh and a continuous discharge rate of 10A. The INR21700-50G strikes a balance between capacity and sustained power output.
In electronic gadgets, flashlights, electric scooters, it ensures a reliable power supply. Its widespread compatibility and reputable performance make it a popular choice. It is the best 21700 battery choice for users with diverse needs.

6. Sony VTC6A: A Reliable Contender

Sony has long been a key player in the battery industry. Its VTC6A continues the tradition of reliability and performance. Hence its place in best 21700 batteries is intact. It comes with a nominal capacity of 3000mAh and a continuous discharge rate of 35A. This battery is well-suited for high-drain devices.
The VTC6A’s stable chemistry and construction make it a favorite among enthusiasts in the vaping community. Its ability to deliver high power without compromising safety makes it a trusted choice. It is generally used in demanding applications that require peak reliability.

7. LG INR21700-M50T: High Capacity for Extended Usage

LG offers the INR21700-M50T, a battery cell known for its high capacity and stable performance. It has a nominal capacity of 5000mAh and a continuous discharge rate of 7.5A. This battery is designed for devices that prioritize extended usage over high power output.
It is mostly used in energy storage systems, electric bikes, and portable speakers. The INR21700-M50T is known to provide a reliable and long-lasting power source. Its balanced performance makes it a go-to choice for applications where endurance is key.

8. Panasonic NCR21700A: A Blend of Capacity and Reliability

Panasonic’s NCR21700A is a battery cell that emphasizes a blend of capacity and reliability. It has a nominal capacity of 4800mAh and a continuous discharge rate of 10A. This battery caters to users who require a balance between power and consistent performance.
The NCR21700A one of the best 21700 batteries choice for use in laptops, power banks, and other portable electronic devices. Its reputation for stability and longevity makes it a reliable option for everyday gadgets.

9. Efest 21700 5000mAh 10S2P: Enhanced Capacity for Demanding Devices

Efest 21700 5000mAh 10S2P is a battery pack that combines enhanced capacity with reliability. It has a nominal capacity of 5000mAh and a continuous discharge rate of 10A. This battery pack is designed for demanding devices that require a steady and robust power supply.
The 10S2P configuration ensures a balance between capacity and discharge capabilities. This makes it suitable for high-performance flashlights, electric tools, and other power-hungry applications. Its modular design also allows for flexibility in various device setups.

10. Sanyo NCR20700B: Compact Powerhouse for Portable Devices

Closing our list is the Sanyo NCR20700B, a compact powerhouse that offers a combination of size and capacity. It has a nominal capacity of 4000mAh and a continuous discharge rate of 15A. This 20700-sized battery is ideal for applications where space is a premium. Examples are compact flashlights and small electronic devices.
The NCR20700B’s compact form factor doesn’t compromise its performance. This makes it a versatile choice for users who prioritize both power and portability. Its reliability and stable power delivery contribute to its popularity. For those seeking efficient energy solutions for compact gadgets, it can be a perfect fit.


In the ever-evolving landscape of battery technology, the best 21700 battery format continues to shine. It is the most reliable and versatile option for powering our electronic devices. The top 10 21700 batteries for 2023 offer a diverse range of options. They cater to the specific needs of users across various applications. Whether you prioritize or high capacity or a balance of both, these batteries represent the pinnacle. In current energy storage technology, they ensure that your devices run smoothly and efficiently in the year ahead.