The 21700 battery is a cylindrical lithium-ion battery with a diameter of 21mm and a length of 70mm. It offers a nominal voltage of 3.7V and a capacity of up to 5,000mAh, making it a powerful and efficient energy source. Its energy density ranges between 250 Wh/kg and 300 Wh/kg, depending on the chemistry.
This larger size allows for greater energy storage capacity compared to smaller batteries, making it an attractive option for various applications. The capacity of 21700 batteries typically ranges from 3000mAh to 5000mAh, providing longer runtimes for devices that demand high power.
Unprotected 21700 batteries: Lack built-in safety features and are generally used in battery packs with external battery management systems (BMS). 21700 batteries are widely used in: Electric vehicles, with companies like Tesla and other manufacturers using them in battery packs for improved energy storage and performance.
One of the standout features of the 21700 is its higher capacity and energy density compared to smaller batteries. This allows it to power larger devices, such as electric vehicles and solar energy storage systems, with more reliable performance and fewer recharges. As mentioned earlier, the 21700 battery is 21mm in diameter and 70mm in length.
Our solar power systems and energy storage products are engineered for reliability, safety, and efficient deployment. All systems include comprehensive monitoring and control systems with remote management capabilities.
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With our ultimate guide, uncover the essentials of the 21700 battery. From size and voltage to charger, find all the information you need.
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The 21700 battery, with 21mm diameter and 70mm length, offers 3.7V voltage and up to 5,000mAh capacity, making it ideal for high-power applications.
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With our ultimate guide, uncover the essentials of the 21700 battery. From size and voltage to charger, find all the information you need.
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This bigger size lets the 21700 battery store more energy, sometimes more than 5000 mAh (milliampere-hours). This means devices using a 21700 battery can run longer than …
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