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-L21-4000P is a premium quality high capacity 21700, 4000 mAh lithium-ion battery with a continuous output current of 10 A, specifically designed for high intensity use in torches such as the Fenix LR35R.
Please note: This battery is larger than an 18650 battery and cannot be used in standard 18650 sized torches.
10 A continuous discharge current, 18 A maximum
High capacity (4000 mAh), great reliability and compact design
Recommended 1 A charging current, 4 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: ||70 grams per battery |
|Details for Fenix ARB-L21-4000P 21700 Protected Li-ion Battery |
|Battery Technology: ||Lithium-ion (Rechargeable) |
|Diameter: ||21.5 mm |
|Height: ||76 mm |
|Voltage: ||3.6 V |
|Capacity: ||4000 mAh |
|Charging Current: ||Recommended 1 A, Maximum 4 A |
|Maximum Discharge Current: ||10 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 10 A 4000 mAh rechargeable lithium-ion protected battery x 1