The 21700 Transparent Long Battery refers to a specific type of rechargeable lithium-ion battery that is commonly used in high-drain devices such as flashlights, power tools, electric vehicles, and other electronics that require high capacity and durability. The 21700 designation refers to the battery's size, where "21" indicates a diameter of 21mm and "70" refers to a length of 70mm, while the extra "0" stands for a cylindrical form factor. A transparent version usually refers to a variant with a see-through casing, often designed for visibility of the internal components or charge indicators.
Key Features:
Size and Dimensions:
Diameter: 21mm
Length: 70mm
Larger than the more common 18650 battery, offering increased capacity.
Capacity and Power:
Typically, these batteries have a higher capacity ranging from 3000mAh to 5000mAh, making them suitable for devices that require more power and longer usage times.
High Discharge Rate: Capable of delivering higher discharge currents, ideal for high-drain devices like electric vehicles or high-lumen flashlights.
Transparent Design:
The transparent casing provides a view of the battery’s internal components, which may also allow for easy inspection of any damage or wear.
Often, it includes markings or indicators to show the current charge level or status.
Rechargeable:
Designed for multiple recharge cycles, offering a long lifespan for frequent use in demanding devices.
Supports quick charging depending on the charger and battery configuration.
Applications:
Widely used in electric vehicles (like scooters, bikes), flashlights, power tools, and other electronics where larger battery capacity and higher power output are needed.
Safety Features:
Built-in protection circuits or external protection in some cases to prevent overcharging, overheating, and short-circuiting, ensuring safe usage in high-drain environments.
Advantages Over 18650 Batteries:
Higher capacity, offering longer run times.
Capable of delivering more power, making them more suitable for devices that require higher energy outputs.
The 21700 Transparent Long Battery is an excellent option for high-performance devices requiring reliable, long-lasting power. Its larger size and higher capacity make it a popular choice in industries ranging from consumer electronics to electric vehicles.
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