Fenix 21700 5000 mAh Li-ion Protected Battery
Fenix 21700 5000 mAh Li-ion Protected BatteryFenix 21700 5000 mAh Li-ion Protected BatteryFenix 21700 5000 mAh Li-ion Protected Battery
Fenix 21700 5000 mAh Li-ion Protected BatteryFenix 21700 5000 mAh Li-ion Protected BatteryFenix 21700 5000 mAh Li-ion Protected Battery

Fenix 21700 5000 mAh Li-ion Protected Battery

Availability:  6 in stock
Brand:  Fenix
Product Code:  ARB-L21-5000

The Fenix ARB-L21-5000 is a premium quality high capacity 21700, 5000 mAh lithium-ion battery specifically designed for high intensity torch use and is the perfect companion for the Fenix PD36R or TK22 V2.0.


£25.95

The Fenix ARB-L21-5000 is a premium quality high capacity 21700, 5000 mAh lithium-ion battery specifically designed for high intensity torch use and is the perfect companion for the Fenix PD36R or TK22 V2.0.

Please note: This battery is larger than an 18650 battery and cannot be used in standard 18650 sized torches.

Product Features

7.5 A maximum discharge current
High capacity (5000 mAh), great reliability and compact design
Recommended 1 A charging current, 5 A maximum
Protection circuit built into positive terminal for outstanding damage resistance
Triple overheat protection for safety and reliability
Built-in overcharge and over discharge protection
Unique structural design for better impact resistance
Button top positive contact for greater versatility

Battery Charger Information:
You will need to purchase a suitable battery charger if you do not have one, please see the related products. This battery not compatible with the X and C series of Fenix chargers, but can be used with the ARE-A4 and ARE-D2.


Pack Information
Batteries per Pack: 1
Weight: 72.5 grams per battery
Details for Fenix ARB-L21-5000 18650 Protected Li-ion Battery
Battery Technology: Lithium-ion (Rechargeable)
Diameter: 21.5 mm
Height: 76 mm
Voltage: 3.6 V
Capacity: 5000 mAh
Charging Current: Recommended 1 A, Maximum 5 A
Maximum Discharge Current: 7.5 A

Important Safety Information

Lithium-ion batteries should never be left charging unattended under any circumstances. The user must have knowledge of how to charge and discharge Li-ion batteries before using them - for more information please click here. Always use a charger that is designed to recharge the particular lithium-ion cell that you wish to recharge. Never use a DC adaptor to charge Li-ion batteries. We are NOT responsible for any damage that is caused by the misuse of lithium-ion batteries. We recommend charging any lithium-ion cell on a metal surface or other non-flammable surface.


Packaging and Contents

Supplied in retail pack and contains:
Fenix 21700 3.6 V, 5000 mAh rechargeable lithium-ion protected battery x 1

Fenix ARE-A4 Four Bay Li-ion/NiMH Battery Charger

Fenix ARE-A4 Four Bay Li-ion/NiMH Battery Charger

Charges lithium-ion and NiMH/NiCd type batteries.

Availability:  10 in stock

The Fenix ARE-A4 is the replacement for the best selling ARE-C2+ and has now been upgraded to be able to charge 21700 lithium-ion batteries as well as the same batteries as before. It features four independent charging channels capable of charging a range of lithium-ion and NiMH/NiCd batteries.

[More details]
£39.95Add to Basket

Fenix PD36R Rechargeable LED Torch

Fenix PD36R Rechargeable LED Torch

1600 Lumens Output

Availability:  6 in stock

The PD36R is Fenix's first pocket rocket to use a 21700 lithium-ion rechargeable battery and the first hand torch to use a USB Type-C charging port for faster and more efficient charging. Utilising a Luminus SST-40 LED it offers a maximum output of 1600 lumens on turbo and throw the beam up to 283 metres distance.

[More details]
£107.95Add to Basket

Fenix TK22 V2.0 LED Torch

Fenix TK22 V2.0 LED Torch

1600 Lumens Output

Availability:  3 in stock

The TK22 V2.0 is Fenix's second torch to use a the new 21700 lithium-ion rechargeable battery and the first hand torch within the TK series.

[More details]
£89.95Add to Basket

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Fenix is a leading outdoor sport lighting brand as well as a national high-tech enterprise which specializes in R&D, manufacturing and selling of outdoor sport lighting tools, including mid/high-end LED torches, headlamps, bike lights and camping lanterns, as well as accessories. The Fenix brand has successfully entered the major outdoor and military markets. 'Stay true to the mission, to the original dream', is the best interpretation of the brand name Fenix, which means perfect thing, and they do this with unyielding pursuit.


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