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.
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.
However, most 21700 cells are based on lithium-ion (Li-ion) technology, which is widely used across many types of rechargeable batteries due to its excellent energy density and long lifespan. There are several types of lithium-ion chemistries that could be used within the 21700 format:
Depending on the specific chemistry, such as NMC or LCO, the energy density of the 21700 ranges from 250 Wh/kg to 300 Wh/kg. This makes it a preferred choice for applications requiring compact yet powerful energy storage solutions. For example: NMC Lithium battery: Energy density of 160–270 Wh/kg, cycle life of 1,000–2,000 cycles.
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A 21700 battery is a type of lithium-ion rechargeable cell. The name “21700” refers to its physical dimensions: it has a 21mm diameter …
The 21700 cylindrical lithium-ion battery cell is a key specification in the lithium-ion battery field. With its balanced performance in capacity, energy density, and power output, it has become a …
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.
What makes 21700 battery better than standard 18650 cell? The 21700 format offers higher capacity and current output, improved thermal management, and greater energy density in a …
Specification Lithium ion Ternary Battery Cell 21700 4800mAh 3.7V without Protection Circuit Module (PCM) This data sheet describes the requirements and properties of …
The Lithium-Ion 21700 battery has quickly gained popularity in the tech and electric vehicle (EV) industries, providing impressive power density and performance. From electric …
The 21700 battery specs includes its properties like the voltage, capacity, charge-discharge cycle, output current, output voltage, and so on. This is …
1.1.1 Model Number BMZ 21700 42PM 1.1.2 Cell Name BMZ 21700 42PM 1.2 Cell Shape and Weight 1.2.1 Cell Shape : Cylindrical 1.2.2 Size (with plastic tube) : Diameter …
The 21700 battery specs includes its properties like the voltage, capacity, charge-discharge cycle, output current, output voltage, and so on. This is a generalized specs of 21700 Li-ion battery, …
A 21700 battery is a type of lithium-ion rechargeable cell. The name “21700” refers to its physical dimensions: it has a 21mm diameter and 70mm length. This makes it larger than …
Discover the power of 21700 batteries — high-capacity lithium-ion cells built for electric vehicles, power tools, and energy storage. Learn specs, types, and key benefits.
Latest developments in solar power technology, energy storage advancements, photovoltaic products, and industry insights from our team of renewable energy experts.
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