Can I use other 18650 batteries in my Fenix RC10 or RC20 flashlight other than the battery it came with?
No, the Fenix RC10 and RC20 use a proprietary battery - the ARB-L1-2600.
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Fenix RC20 FAQs
Everything you need to know about your Fenix RC20 LED flashlight
Do you have a higher capacity battery for the Fenix RC20 flashlight?
No, we only have the ARB-L1-2600 battery that will work in the Fenix RC20 flashlight.
What 18650 batteries are compatible with the Fenix RC20, RC15, and RC10 rechargeable flashlights?
The ARB-L1-2600 18650 battery is a proprietary battery for the Fenix UC40, UC45, UC50, RC20, RC15, and RC10.
What batteries work in the Fenix RC20 flashlight?
The Fenix RC20 is only compatible with its included proprietary battery, the ARB-L1-2600 battery.
What filter fits the Fenix RC20 LED flashlight?
The Fenix AOF-L fits the RC20 flashlight. You can find this filter in green, blue, and red. To find out what other accessories fit your flashlight, check out our Accessory Compatibility List.
Which battery chargers will work with the Fenix RC20 batteries?
The Fenix RC20 has a proprietary battery that can only be charged directly inside the light using the included charging cradle.