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Fenix ARB-L21 Rechargable Battery 21700 Li-ion 4000mAh 3.6V 1pcs
Rechargeable Batteries

Fenix ARB-L21 Rechargable Battery 21700 Li-ion 4000mAh 3.6V 1pcs

Discover the Fenix ARB-L21, a rechargeable 21700 Li-ion battery that provides powerful and reliable energy for your needs. With a capacity of 4000mAh, this battery is designed to deliver long-lasting...

Discover the Fenix ARB-L21, a rechargeable 21700 Li-ion battery that provides powerful and reliable energy for your needs. With a capacity of 4000mAh, this battery is designed to deliver long-lasting performance, ideal for high-demand devices and tools.

The battery features a 21700 size, which is compatible with many modern devices, ensuring a perfect fit...

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Description

Description

Discover the Fenix ARB-L21, a rechargeable 21700 Li-ion battery that provides powerful and reliable energy for your needs. With a capacity of 4000mAh, this battery is designed to deliver long-lasting performance, ideal for high-demand devices and tools.

The battery features a 21700 size, which is compatible with many modern devices, ensuring a perfect fit and function. The Li-ion type offers multiple times longer lifespan compared to other technologies like Ni-MH, making it the ideal choice for demanding applications.

The battery comes packaged in a single unit, allowing you to use it immediately without unnecessary delays. Perfect for professional or home use, the Fenix ARB-L21 is an excellent choice for reliable energy that won't disappoint you.

Manufacturer

Manufacturer Details

Warnings & Safety Information
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Specifications

Specifications

Capacity
4000 mAh

Capacity

The amount of energy that a battery can store in milliampere-hours (mAh). The higher the capacity of a battery, the more it can hold with one charge. Larger batteries also require more time to charge.

2. Capacity makes sense when comparing batteries of the same size. For example, 18650 batteries usually have 2300-3600mAh, while AAA batteries have around 1000mAh.
Size
21700
Type
Li-ion

Type

The two main types are Ni-MH (Nickel-Metal Hydride) and Li-ion (Lithium Ion).

Li-ion
Li-ion batteries are the newest rechargeable battery technology, which offer more charging cycles compared to older ones based on Nickel or Lead, but with a higher initial cost.
Voltage
3.6 V
Packaging
1 pcs

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

Discover the Fenix ARB-L21, a rechargeable 21700 Li-ion battery that provides powerful and reliable energy for your needs. With a capacity of 4000mAh, this battery is designed to deliver long-lasting performance, ideal for high-demand devices and tools.

The battery features a 21700 size, which is compatible with many modern devices, ensuring a perfect fit and function. The Li-ion type offers multiple times longer lifespan compared to other technologies like Ni-MH, making it the ideal choice for demanding applications.

The battery comes packaged in a single unit, allowing you to use it immediately without unnecessary delays. Perfect for professional or home use, the Fenix ARB-L21 is an excellent choice for reliable energy that won't disappoint you.

Manufacturer

Manufacturer Details

Warnings & Safety Information
Capacity
4000 mAh

Capacity

The amount of energy that a battery can store in milliampere-hours (mAh). The higher the capacity of a battery, the more it can hold with one charge. Larger batteries also require more time to charge.

2. Capacity makes sense when comparing batteries of the same size. For example, 18650 batteries usually have 2300-3600mAh, while AAA batteries have around 1000mAh.
Size
21700
Type
Li-ion

Type

The two main types are Ni-MH (Nickel-Metal Hydride) and Li-ion (Lithium Ion).

Li-ion
Li-ion batteries are the newest rechargeable battery technology, which offer more charging cycles compared to older ones based on Nickel or Lead, but with a higher initial cost.
Voltage
3.6 V
Packaging
1 pcs

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.