About Huawei 21700 battery cell
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About Huawei 21700 battery cell video introduction
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6 FAQs about [Huawei 21700 battery cell]
What is a 21700 lithium ion battery?
21700 Li-ion battery cells are a popular and relatively new standard for rechargeable lithium-ion batteries. Named after their dimensions (21mm in diameter and 70mm in length), these cells offer a larger capacity and higher energy density compared to the older 18650 format.
What are some common uses of 21700 batteries?
21700 battery is one of the most popular and commonly found cells in the battery pack in electric vehicles, battery-powered construction equipment, portable power cutting/drilling tools, the emergency torch, flashlight, etc. after 18650 battery cells.
What is the length of a 21700 battery?
The 21700 battery has an approximate length of 70mm. The diameter is 21mm, but technically 21700 cell size is allowed with some tolerance in length and diameter.
Is a 21700 a good battery?
The 21700 battery has become increasingly popular due to its optimal balance between size and capacity, making it ideal for high-drain applications. While 18650 batteries remain widely used, the 21700 offers higher capacity in a slightly larger form factor.
How much energy does a 21700 battery have?
Energy density: The 21700 batteries have an energy density ranging from 250 Wh/kg to 300 Wh/kg. Size and weight: The battery's dimensions are 70 mm in length and 21 mm in diameter3. The weight typically ranges from 50 to 70 grams. Voltage: The voltage of a 21700 battery typically varies between 3.6V to 3.7V when it’s in use.
What is the nominal voltage of a 21700 battery?
The nominal voltage of a 21700 battery is generally around 3.6V to 3.7V, which is standard for lithium-ion technology. These batteries are designed to handle higher continuous discharge rates, making them suitable for high-drain devices like power tools and electric vehicles.
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