Fenix High Discharge 21700 4000 mAh Li-ion Protected Battery (ARB-L21-4000P)

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.

Product Features

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.

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