Batteries

Fenix 21700 B - 6000mA ( ARB-L21-6000B ) Rechargeable Battery & Power Bank

With its impressive 6000mAh capacity and a 10A maximum output, the ARB-L21-6000B is a breeze to recharge using its built-in USB Type-C port. This battery is also ready to lend power to your other devices as a handy power bank. Stay in the know about your remaining power thanks to the battery level indicator located around the anode button. Protection circuitry prevents short circuits, overcharging, and overheating, while pressure relief vents ensure added safety.

This battery is NOT compatible with lights that use an 18650 battery and older chargers including the Fenix ARE-A2, ARE-A4 and ARE-X1 2.0. It is compatible with the Fenix ARE-D1 and ARE-D2 chargers

Fenix 21700 - 6000mA ( ARB-L21-6000 ) Rechargeable Battery

The ARB-L21-6000 is a high-capacity 21700 Li-ion rechargeable battery engineered to deliver exceptional power and extended runtimes for your devices. With a massive 6000mAh capacity and a 10A maximum output, this battery ensures your gear stays powered up for longer, even under demanding conditions. Built-in protection circuitry prevents short circuits, overcharging, and overheating, while pressure relief vents ensure added safety. Even after 500 charge cycles, this robust battery maintains 75% of its original capacity, guaranteeing reliable power for years to come. Please note that the ARB-L21-6000 battery does NOT have the capability of being used as a power bank.  The power bank capability is ONLY available in the ARB-L21-6000B battery This battery is NOT compatible with lights that use an 18650 battery, and older chargers including the Fenix ARE-A2, ARE-A4 and ARE-X1 2.0. It is compatible with the Fenix ARE-D1 and ARE-D2 chargers. Additionally, this battery is NOT compatible with the Fenix E35R purchased prior to 2025.

Fenix 18650 - 3400mA Rechargeable Battery with Inbuilt USB-C Port

Fenix 18650 - 3400mA Rechargeable Battery with Inbuilt USB-C Port. The high capacity 18650 Li-ion rechargeable batteries each provide protection circuits in the anode to help prevent short circuits, over charge/discharge and over heating. Each 18650 battery also includes pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion. Fenix’s 18650 batteries have a guaranteed lifespan of 500 charge cycles. This means that the battery will recharge to at least 75% of its original battery capacity 500 times over. Compared to single-use batteries,

Fenix ARB-L21-5000U 21700 5000mA Li-ion USB Rechargeable Battery

ARB-L21-5000U is a high capacity 21700 Li-ion USB rechargeable battery built for more power and longer runtimes. This battery has its own micro-USB charging port for quick/easy charging without the need for a separate charger. Additional features include a protection... READ MOREA USB-C charging cord is NOT included. Important Note: THIS BATTERY IS NOT COMPATIBLE WITH 18650 FLASHLIGHTS OR OLDER STYLE CHARGERS. COMPATIBLE CHARGERS ARE THE ARE-A2, ARE-A4, ARE-D1 OR ARE-D2.

Fenix 18650 Rechargeable Battery ARB-L18-3500U - 3500mA with USB Port

The ARB-L18-3500U battery can be charged by its own USB port and by the charger as well. A protective circuit is built into the anode and covered with a riveted steel hat. The battery is fully covered with the steel shell, thus the potential risk of short circuiting caused by collision or impact is hugely eliminated.

Fenix ARB-L21-5000 21700 5000mA Li-ion Rechargeable Battery

ARB-L21-5000 is a high-capacity 21700 Li-ion rechargeable battery built for more power and longer runtimes. Additional features include a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. Pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion. . Important Note: THIS BATTERY IS NOT COMPATIBLE WITH 18650 FLASHLIGHTS OR OLDER STYLE CHARGERS. COMPATIBLE CHARGERS ARE THE ARE-A2, ARE-A4, ARE-D1 OR ARE-D2.

Fenix 18650 Rechargeable Battery ARB-L18-3500 - 3500mA

The protection circuit is built in the anode with a steel hat by riveting process. So the ARB-L18-3500 can be fully covered with steel shell and eliminate potential risk of short circuit caused by collision and impact.

HP16R Spare Battery

Replacement Battery Pack to suit Fenix HP16R LED Headlight

Fenix ARB-L18-1100 18350 1100mA Li-ion Rechargeable Battery

Choose this battery when you need a replacement or if you want to carry an extra battery. This 18350 Li-ion rechargeable battery has a capacity of 1100mAh. It includes a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating.

Fenix 16340 Rechargeable Battery ARB-L16-700UP - 700mA with USB Port

The ARB-L16-700UP battery can be charged by its own USB port and by the charger as well. A protective circuit is built into the anode and covered with a riveted steel hat. The battery is fully covered with the steel shell, thus the potential risk of short circuiting caused by collision or impact is hugely eliminated.

Fenix 14500 Rechargeable Battery ARB-L14-800 - 800mA

The protection circuit is built in the anode with a steel hat by riveting process. So the ARB-L14-800 can be fully covered with steel shell and eliminate potential risk of short circuit caused by collision and impact.

Fenix ALF-18 BATTERY HOLDER

The ALF-18 battery holder allows you to use an 18650 battery in flashlights that are built to use a 21700 battery. Simply insert your 18650 battery into the holder and place both into your 21700 capable flashlight. Made with copper plated contact, providing excellent conductivity performance. Compatible with button top as well as flat top 18650 batteries. Compatible with: E35 V3.0, HT18, PD36R, PD36 TAC, PD40R V2.0, TK16 V2.0, TK22UE, TK30, HM70R, BC26R