Efest 21700 Battery
In the world of batteries for electronic devices, Efest has long established itself as a manufacturer of reliable and high-quality products. Their new Efest 21700 battery, boasting a capacity of 5000mAh and a discharge current of 10A, undoubtedly sparks significant interest among users. This battery represents a new step in the development of power technologies, combining high capacity with optimal discharge current. Its specifications make it an ideal choice for a wide range of devices, from consumer electronics to professional equipment. In this review, we will delve into all aspects of this battery: its features, performance, and advantages.
Features of the Efest 21700 Battery
- With a capacity of 5000mAh, this battery provides extended device runtime without the need for frequent recharging.
- A 10A discharge current makes this battery ideal for devices requiring high power.
- Efest is renowned for its reliability, and this battery is no exception. It has undergone rigorous quality and safety testing.
- Thanks to the 21700 form factor, this battery is suitable for a wide range of devices, including e-cigarettes, flashlights, and more.
- This battery supports fast charging, reducing user waiting time.
- With high-quality materials and technology, the Efest 21700 battery ensures long service life while maintaining performance.
Advantages of the Efest 21700 5000mAh 10A Battery
- Capacity: The Efest 21700 battery boasts a high capacity of 5000mAh, providing extended device runtime.
- Discharge Current: The maximum continuous discharge current is 10A, making this battery suitable for devices requiring high current.
- Voltage: The nominal voltage is 3.7V, with a maximum voltage of 4.2V.
- Safety: For safe operation, the battery requires additional protection in the form of a protective circuit board (PCB) or battery management system (BMS), which are not included.
- Application: Efest 21700 batteries are perfect for vape devices and mods.
- Price: The Efest 21700 battery is available at a reasonable price.
Design
The Efest 21700 5000mAh 10A battery features a unique design. It comes in a purple color, weighs 85 grams, and measures 21mm by 70mm. Efest 21700 batteries are manufactured using state-of-the-art equipment and incorporate advanced production technologies and quality control. Efest IMR 21700 5000mAh batteries have a flat top contact. Vaping Efest 21700 batteries have a QR code under the protective layer. Each battery is packed in a branded cardboard box with a code sticker for authenticity verification on the official website. Efest batteries are certified CE, RoHS, FCC, and MSDS. Efest batteries are unprotected, so for safe operation, they require additional protection in the form of a protective circuit board (PCB) or battery management system (BMS), which are not included.
Performance
The Efest 21700 5000mAh 10A battery is a high-performance power source, providing extended runtime and reliability. With its large capacity, this battery can support devices for extended periods without the need for frequent recharging. Additionally, with a 10A discharge current, it can deliver stable and efficient performance even under high load conditions. Overall, the performance of the Efest 21700 5000mAh 10A battery makes it an ideal choice for various devices requiring a reliable and durable power source.
Comparison with INR-21700-P42A Li-lon Battery
- Capacity: The Efest 21700 battery has a capacity of 5000mAh, providing extended device runtime. On the other hand, the INR-21700-P42A Li-Ion battery has a capacity of 4200mAh, slightly lower but still sufficient for most applications.
- Discharge Current: The Efest 21700 battery has a discharge current of 10A, making it suitable for devices requiring a stable discharge current. Meanwhile, the INR-21700-P42A Li-Ion battery can support a continuous discharge current of up to 45A, making it more suitable for devices requiring high discharge currents.
- Application: Both batteries can be used in various devices, including e-cigarettes and other devices requiring high capacity and discharge current. However, before using these batteries, it is important to ensure that your device is compatible with this level of amperage.
- Safety: When using these batteries, it is important to always follow the manufacturer's instructions and use them only as directed. Battery usage is at your own risk.
FAQ
Are 21700 batteries good?
They make an excellent choice for higher-capacity battery packs. They also have low priming, allowing for quick charging without the need for prolonged charging. Furthermore, with 42% more capacity than 18650 batteries, 21700 batteries can run longer from a single charge.
How many hours does a 21700 battery last?
If used at lower wattages and less frequently, both 18650 and 21700 batteries can last a full day.
Is 21700 better than 18650?
21700 batteries have a capacity of up to 1400 watts, whereas 18650 batteries stop at 800 watts. This difference in capacity means that devices using a 21700 battery have more power. Therefore, a flashlight with a 21700 battery will burn longer and brighter than one with a 18650 battery.
Why are 21700 batteries cheaper than 18650?
The cost of the battery system can be reduced by about 9% if 21700 cells are installed in a Tesla Model 3. In fact, it is calculated that 18650 cells require more raw materials to reach a battery pack of the same capacity, which is also the reason for the higher cost.