Fenix BC26R Rechargeable Bike Light

Max Lumens: 1600
Modes: 5
Battery: 21700
(8 customer reviews)


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The Fenix BC26R is a lightweight, bike light built to keep you rolling long into the night. This bike light features an included rechargeable 5000mAh li-ion battery that blasts up to 1600 lumens and allows for longer runtimes—up to 65 continuous hours on the lowest brightness level. The 100° floodlight beam offers a wider field of view making it much easier to see while turning corners. Attach and remove the bike light quickly with the included quick-release bike mount. And never fear the elements with dustproof, waterproof and shockproof design. From a city commute to the top of the mountain, the Fenix BC26R Bike Light will keep the path ahead bright—all night long. 

EAN: 6942870308494
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Max Lumens: 1600
Modes: 5


Max Brightness:

1600 lumens

Max Beam Distance:

554 feet (169 meters)

Max Runtime:

65 hours

Lighting Modes:

4 brightness levels plus flashing mode

Bulb Type:

Luminus LED

BC26R Size:

Length: 4.45” (113mm)
Width: 1.14” (29mm)
Height: 1.06” (27mm)

BC26R Weight:

5.47 oz. (155g) including mount and battery

Battery Type:

One rechargeable 21700 li-ion battery (included). Compatible with an 18650 Li-ion battery with an ALF-18 battery holder.

Included with the BC26R:

ARB-L21-5000 Li-ion battery, USB Type-C charging cable,
quick-release bike mount, spare O-ring


Limited Lifetime Guarantee from Fenix Lighting USA

fenix bc26r rechargeable bike light specs
fenix bc26r rechargeable bike light runtime

Additional Features of the BC26R Bike Light

  • A Luminus LED with a lifespan of 50,000 hours.
  • Included a 5000mAh Li-ion battery and compatible with a 18650 Li-ion battery (with an ALF-18 battery holder).
  • USB Type-C charging.
  • Quick-release design, two-step assembly and disassembly.
  • Easy and fast operation with a single switch.
  • Boot-up battery level indication and low-voltage warning.

Operating Instructions for the BC26R Bike Light

Press and hold the side switch for 0.5 seconds to turn on/off the light.

Output Selection
With the light switched on, single click the switch to cycle through Low→Med→High→Turbo.

Flash Mode
With the light switched on, double click the switch to enter flash mode, single click again to exit flash mode and return to the previously used mode.

Intelligent Memory Circuit
The bicycle light memorizes the last selected output excluding Flash mode. When turned on again the previously used mode will be recalled.

Battery Specifications

Type Dimensions Nominal Voltage Usability  
Fenix ARB-L21 Series 21700 3.6V Recommended √√
Fenix ARB-L18 Series 18650 3.6V Usable (with ALF-18 battery holder)
 Rechargeable Battery (Li-ion) 16340 3.6V Banned ×
 Rechargeable Battery (Li-ion) 18650 3.6V Banned ×
 Rechargeable Battery (LiFePO4) 16340 3.2V Banned ×
 Rechargeable Battery (LiFePO4) 18650 3.2V Banned ×

Warning: *21700Li-ion batteries are powerful cells designed for commercial applications and must be treated with caution and handled with care. Only use quality batteries with circuit protection will reduce the potential for combustion or explosion; but cell damage or short circuiting are potential risks the user assumes.

Battery Replacement
Unscrew the tail cap and insert the battery following the polarity marks, then screw the cap back on.

Charging the BC26R

  1. Switch off the light and open the USB cap to reveal the USB Type-C charging port and plug the USB A socket of the charging cable into an electrical outlet, then connect the USB Type-C socket of the charging cable to the light.
  2. The indicator will display red while charging and will turn green when fully charged.
  3. Once charging is completed, be sure to tighten the light head to maintain the dustproof and waterproof ability.


  1. The normal charging time of the included Fenix ARB-L21-5000is approximately 4 hours from depletion to full charging.
  2. Recharge a stored light every four months to maintain the optimum performance of the battery.
  3. The Low output is available while charging, but the charging time will be prolonged.

Note: This only works with Fenix ARB-L21-5000 rechargeable Li-ion battery.

Battery Level Indication
Each time the light is turned on, the indicator will indicate the battery level and will last for 3 seconds.

  • Green light on: saturated 100% – 85%
  • Green light flashes: sufficient 85% – 50%
  • Red light on: poor 50% – 25%
  • Red light flashes: critical 25% – 1%

Note: This only works with Fenix ARB-L21 series 21700 rechargeable Li-ion battery.

Intelligent Overheat Protection
The light will accumulate a lot of heat when used at relatively high modes for extended periods. When the light reaches a temperature of 60°C or above, the light will automatically step down a few lumens to reduce the temperature. When the temperature drops below 60°C, it will then allow the user to reselect the modes.

Low-voltage Warning
When the voltage level drops below the preset level, the bicycle light is programmed to downshift to a lower brightness level until Low output is reached. When this happens in Low output, the battery level indicator constantly blinks red to remind you to recharge or replace the battery.

Note: This only works with Fenix ARB-L21 series 21700 rechargeable Li-ion battery.

Usage and Maintenance for the BC26R Bike Light

  • Disassembling the sealed head can cause damage to the light and will void the warranty.
  • Fenix recommends using only a high-quality protected battery.
  • If the light will not be used for an extended period, remove the battery for proper storage.
  • Unscrew the tail cap or remove the battery to prevent accidental activation during storage or transportation.
  • Long-term use can result in O-ring wear. To maintain a proper water seal, replace the ring with an approved spare.
  • Periodic cleaning of the battery contacts improves the light’s performance as dirty contacts may cause the light to flicker, shine intermittently or even fail to illuminate for the following reasons:
    A: Poor battery level.
    Solution: Recharge or replace the battery.
    B: The contact or contact point of the battery or bicycle light is dirty.
    Solution: Clean the contact points with a cotton swab soaked in rubbing alcohol.

If the above methods don’t work, please contact your authorized distributor.


  • The bicycle light is a high-intensity lighting device capable of causing eye damage to the user or others. Avoid shining the light directly into anyone’s eyes.
  • This bicycle light will accumulate a lot of heat when used for extended periods, resulting in a high temperature of the bicycle lights hell. Pay attention to safe use to avoid scalding.
  • Do not shine an object at close range, to avoid burning the object or causing danger due to high temperature.
  • The LED of this bicycle light is not replaceable; so the entire light should be replaced when the LED reaches the end of its life.
  • If any of the information provided in this manual is changed, the new version of the manual shall prevail; if your included user manual is an old one, it acquiesces that we won’t send a new manual.

8 reviews for Fenix BC26R Rechargeable Bike Light

Based on 8 reviews
5 star
4 star
3 star
2 star
1 star
  1. Ben T (verified owner)

    All I can say is thank you. Thank you for making the perfect bike light.
    With the gopro adapter and now no beam shaping, I can put this on my bike and it’s truly a Buy It For Life light with the replaceable battery. This is the king of bike lights.

    (0) (0)
  2. CJ Fast

    I have the BC21R, and I love it, but I want this! In fact, I want two of them.

    (0) (0)
  3. francisco d. (verified owner)

    Love It ! I Recommend It To EVERYONE 👍

    (0) (0)
  4. Srinivas Gupa (verified owner)

    Love it, it’s so bright.

    (0) (0)
  5. STEVEN S. (verified owner)

    This bike light is built as well as Fenix’s hand-helds. Having 21700 battery power and reliability driving your main LED is very reassuring, and you literally could ride all night and beyond if you carried a spare 21700 (which powers a couple of my other Fenix hand-held lights). So the ability to quickly swap in a fresh battery is a terrific advantage. The mounting bracket is well designed and very solid (get a second mount if you have a second bike for added flexibility). Note that the small LED power remaining indicator in the switch STAYS LIT when the light is on, which is different from Fenix’s hand-helds, where they show only for 3 about seconds when you first turn the light on. Pressing the switch when the light is off will also give you the current status of the battery. If I had a suggestion to Fenix for the future, it might be to include a second flash mode designed specifically for daytime visibility. The single flash mode in this light is at 600 lumens, rather than at than at the 1600 lumen Turbo level. Even a 1000 lumen daytime pulse would be fine. That said, this is a reliable and well built bicycle light.

    (1) (0)
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