Due to shipping regulations this battery can only be shipped to the Mainland UK, unless it is sent with a compatible torch or battery charger. Any orders to outside of the Mainland UK (including NI, Scottish Highlands, Channel Islands etc.) for this battery without compatible equipment will be cancelled. If you require advice prior to purchase please contact us
We are unable to accept the return of opened batteries, therefore please ensure they are the correct cell for your device before ordering.
The Fenix ARB-L21-5000U 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 for all Fenix 21700 powered lights.
As well as being able to charge in a battery charger (Fenix charger recommended) the ARB-L21-5000U has an additional feature that sets it apart from standard 18650 batteries as it has a built-in USB-C charging port in the top of the battery.
Using a USB-C charging cable this battery can be easily charged up which is not only convenient but can also save money on buying a separate charger. A charging indicator will glow red once the charging cable is plugged in and connected to power to show charging is in progress and it will turn blue once charging is complete.
Please note: This battery is larger than an 18650 battery and cannot be used in standard 18650 sized torches. Please check the dimensions of your intended application before purchasing, as they may not fit some products.
8 A maximum discharge current
High capacity (5000 mAh), great reliability and compact design
1 A recommended charging current, 5 A maximum (Charges up to 2 A max via USB port)
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
12 months warranty from date of purchase
Battery Charger Information:
You will need to purchase a cable with a USB-C connection or 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.
|Batteries per Pack:||1|
|Weight:||72.5 grams per battery|
|Details for Fenix ARB-L21-5000U 21700 Protected Li-ion Battery|
|Battery Technology:||Lithium-ion (Rechargeable)|
|Charging Current:||Recommended 1 A, Maximum 5 A|
|Maximum Discharge Current:||8 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 USB-C rechargeable lithium-ion protected battery x 1