Fenix BC30R USB Rechargeable Bike Light

Max Lumens: 1800
Modes: 6
Battery: Built-in

(22 customer reviews)
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The newly updated rechargeable bike light is made for extended rides.  The BC30R is Fenix’s first digital display screen light that provides exact runtime readings, output modes and remaining battery life. This go-anywhere bike light also features a built-in rechargeable battery with a Micro-USB for flexible charging options.

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Max Lumens: 1800
Modes: 6


fenix bc30r bike light specification chart

Length: 4.5” (114mm)
Width: 2.0″ (50.5mm)
Height: 1.3″ (31.8mm)

Weight: 7.8 oz. (221.6g) excluding handlebar mount

Batteries: Built-in 5200mAh/3.7V rechargeable battery with Micro-USB charging

Included: Handlebar mount, remote pressure switch, USB cable, handlebar mount shim (one thick and one thin)

Warranty: Limited Lifetime Guarantee from Fenix Lighting U.S.

  • DOLED digital display panel for remaining runtime at the current output and battery percentage
  • Built-in 5200mAh/3.7V rechargeable battery, Micro USB charging
  • Two Cree XM-L2 U2 neutral white LED’s, better color rendering
  • Weight: 221.6 gram (excluding handlebar mount)
  • 114mm Length x 50.5mm Width x 31.8mm Height (excluding handlebar mount)
  • Remote pressure switch activates momentary on 1800 lumens
  • Dual Distance Beam System
  • Featuring low power warning and intelligent output downshift function
  • Quick-release handlebar mount for easy and secure adjustment of light’s direction
  • Five output levels plus Flash mode
  • Digitally regulated output maintains constant brightness
  • All-metal housing for better heat dissipation
  • IP66 rated protection

Notice: The mentioned parameters (lab-tested by Fenix) may vary between lights and environments.

Bicycle Light

  1. Press and hold the for 0.5 seconds to turn ON/OFF the light, with the light on, the light will display Fenix boot screen, then automatically check the remaining battery level and runtime.
  2. With the light switched on, double click the to enter Flash mode, click once again any switch, the light will return to general mode.
  3. With the light switched on, single click to turn up output levels, one press for a higher level until to the supported highest. Single click to turn down output levels, one press for a lower level until to the lowest.
  4. With the light switched off, press to check the battery level, the light will go out automatically after 5 seconds.

Remote Pressure Switch

  1. Press and hold the   switch for 0.5 seconds to turn ON/OFF the light, the light will display Fenix boot screen, then automatically check the remaining battery level and runtime.
  2. With the light on, click the   switch, to cycle through High→Eco→Low→Med.
  3. In any status, press the   switch to enter the supported highest brightness at current battery level, release the light will return to previous status, press and hold   switch for constant 20-second illumination (with sufficient battery level), then the light will return to previous status.
  4. With the light switched off, click the   switch to check the battery level, the light will go out automatically after 5 seconds.


  1. The light will accumulate a lot of heat when used on High output level for extended periods. it will automatically downshift to reduce temperature.
  2. The light memorizes the last selected brightness level on General mode. When turned on again the previously used brightness level will be recalled.
  3. When the battery power level is not sufficient, higher brightness levels can not be activated, the bicycle light is programmed to cycle through lower brightness levels.

Low Power Warning and Intelligent Output Downshift
Low Power Warning: With the light on, when the runtime is less than 30 minutes, the switch will blink red constantly, to remind you to downshift to a lower brightness level to extend runtime or to recharge the bicycle light ASAP.

Intelligent Output Downshift: If non-stop use is needed, the light will downshift to a lower output level to extend runtime. When the light downshifts to Flash mode, indicating it will go out soon. Stop riding and replace the battery or bicycle light.

One standard Micro USB charging cable is included, which can be used for charging other digital devices.

Operation: Remove the anti-dust plug of the bicycle light to reveal the charging port, and plug the Micro USB end of the USB cable into the light’s charging port, then connect the other end of the USB cable to a USB power adaptor.

Charging Indicator: The indicator light on the switchflashesgreen to indicate charging. Then turns solid green when the battery is fully charged. Fenix recommends using a power adaptor with output of 5V,1.5A. It takes about 5 hours to fully charge the bicycle light.


  1. Once charging is completed, be sure to remove the charging cable and replace the anti-dust cover.
  2. Using the bicycle light when charging is not recommended by Fenix. But it is possible for emergency, the bicycle light can only be used on Eco output when charging, but the charging time will be prolonged or the battery will be less charged.

Mounting Instruction
Bicycle Light and Remote Switch

  1. Open the rubber seal under the bicycle light and plug the cable of the remote pressure switch into it.
  2. Loosen the fine adjustment screw of the handlebar mount before clamping the mount to the bar by securely tightening the set screw.
  3. Slide the headlight into the mount until an audible “click” is heard.
  4. Attach the Remote Switch to your bars where it is easy to operate, using the Velcro strap provided.


  1. Adjust the direction of the headlight before testing the power and functions of the bicycle light.
  2. Use proper shim provided to the size of the bicycle’s bars. (Thick + thin shims applicable size: 22-28mm, thin applicable size: 28-32mm). With no shim: 32-35mm.

Safety Tips

  1. The bicycle light is a high-intensity lighting device capable of causing eye damage. Avoid shining the light directly into the eyes.
  2. Avoid touching the metal parts of the bicycle light as LED lights accumulate heat when powered up.
  3. Waterproof to IP66, the bicycle light can be used in humid conditions but not for water immersion.
  4. Please keep it out of the reach of children.
  5. Disassemble the sealed parts may cause damage to the bicycle light and will void the warranty.
  6. For safe transportation, the bicycle light is not fully charged. Recharge before first use.
  7. Store the bicycle light in cool, dry and well-ventilated areas if it will not be used for an extended period of time. And recharge the bicycle light if it has not been used for an extended period of time.

Night Riding Tips

  1. Never ride alone.
  2. Always let someone know where you are.
  3. Wear a helmet and reflective clothing.
  4. Take auxiliary lights and emergency supplies.
  5. Make sure the headlight, bicycle mount and the other accessories are securely fastened.

22 reviews for Fenix BC30R USB Rechargeable Bike Light

  1. Anonymous (verified owner)

    Great light; bright; wide field of vision; long battery life between charges

  2. Jeff (verified owner)

    With my work schedule, I ride many of my miles after dark. The countdown timer relieves the guessing game of wondering how much battery life my light has left. I mostly use it on levels 2 & 3, which gives me more than enough battery life for a solid, long night ride.

  3. erik K. (verified owner)

    Battery life is less than advertised, but so bright.

  4. James D. (verified owner)

    Great product, I would highly recommend it.

  5. Anonymous (verified owner)

    Great light

  6. Sonny Diaz (verified owner)

    Great design

  7. Joe B. (verified owner)

    I like the light. It is more of a flood light with wide dispersion, but this in conjunction with a helmet light work well.

  8. Anonymous (verified owner)

    Very bright light. Great for nighttime riding.

  9. Andrew G. (verified owner)

    Not as bright as i had hoped but great run time

  10. John V. (verified owner)

    This is a powerful light. The turbo mode provides added light when needed to see an obstacle in the road or trail, or to alert drivers to your presence. The flashing mode is fine, but I would prefer a strobe mode. The battery life readout is valuable when riding, showing how much the you can expect from all the modes escape flashing. The light is well made and very solid. The light is a valuable addition to my bike and should last a long time. Thanks Fenix.

  11. Gregory (verified owner)

    As with other Fenix products it is top self…

  12. John (verified owner)

    I have the original version as well. They both have incredible build quality. This one is smaller with a more refined design. Biggest change – a built in battery (5200mah) with usb charge and digital monitor. It’s a lot easier to charge, the monitor is great and I trust the built-in battery will last a long time. It does seem like its just slightly less bright than the older model running (2) 2600mah 18650s, when compared side by side. It would also be nice to be able to run two 3200mah as an option or add a bigger battery pack. If you need max run time, go with the 1st gen and 3200mah batteries, otherwise this is the best bike light for the money

  13. Michael Peluso

    I prefer the bc30 which has removable batteries so i can swap out batteries on long rides which i do often
    i had this unit for about 2 years now, and was looking to see if there was an upgraded version of this and was disappointed that batteries are not removeable

  14. Grant

    Fenix BC30R 2017 Edition Review
    I received this today in the post by Australia Express Post from http://www.brightnite.com.au. They were helpful, quick and efficient.

    My first surprise was…no charger. I guess that is part of the appeal of micro USB charging, no reason they think to include a charger, yup save $10 or so right there. Fortunately, I have lots of chargers about the house being a Gadgeteer. I chose my Apple iPad charger 5V and 2.1 Amps, in excess of the recommended 5V and 1.5 amps but perfectly OK.
    My other first impression is it is amazingly compact and very solid, and it is all very high quality from the mount to the most important light. The mount itself is not only holds the light perfectly it is very easy and quick to remove from the bike. The light itself slips forward out of the mount. The micro USB cord (and control switch remote) attaches to the bottom of the unit. It makes it tricky to put the cords in and out but it is there recessed on the underneath of the light to protect it from water. The unit is waterproof and shock resistant at 1m.
    I didn’t read the manual just hooked up the charger, it was on two bars to start with and took two hours to complete charging. I attached the switch to the handlebar grip. I have the light left of centre on my Bosch Performance Line Scott e-Aspect 720 Mountain Bike. On the right-hand side, I have my Led Lenser H14R.2 Headlamp in a nice handlebar fitting. It has done many miles at night and works very well 460 Lumens and a nice focussing lens. I decided to leave it on both as a distant spot when I need it and also as a spare as I go into places where there really is NO light at all. LED lights of course are extremely reliable, but I would hate to be caught on a trail with just a hand-held torch on my own. Yes, I carry a spare hand held as well, a Zebralight SC600 which I highly recommend also and is always on my belt.
    My trip last night saw me on a nice paved 3m wide track going up the west side of Lake Joondalup. It is a lovely area. From Woodvale I had to cross Ocean Reef Road for an 8k ride or so through Picnic Cove and Neil Hawkins Park to Burns Beach Road. I crossed the roundabout at Joondalup Drive to go up Burns Beach Road to the start of the Yabaroo Budjara Heritage Trail and went up to Neerabup road on this unpaved track. The track however has been prepared and has a packed limestone dirt surface. It is an excellent track but suitably up and down, narrow and windy which is great. The scenery is excellent, and it overlooks coastal suburbs at the top of hills where it is clear enough to get a good view.
    On my way up the lake I was having a play with the settings on the Fenix. I really enjoyed having the button to control the levels. I found the medium level was sufficient on its own to travel along nicely although since there is no light at all. The maximum level which is 1000 Lumens was even nicer although the medium level did the job nicely. The tint is a nice warm colour which frankly is my preference in LED lights. It is a better softer light. I notice this even more on the unpaved trail. I also experimented with using the H14R.2 Lenser as well. I found I could set the H14R.2 so that the centre of the beam was just at the spot where the Fenix beam started dropping off set on Medium. This combination was close to perfect. I found that the two settings or setups I used were the Fenix alone on medium or maximum or the Fenix on medium and the H14R.2 on it’s 460 Lumens high setting. The two together were pumping out 860 Lumens and would give about 4:30hrs run time which is excellent with a high-quality light suitable for pretty-well any trail or speed I felt. This was the result of course of running two sets of lights together. I want two sets of lights for redundancy in case one fails but the two sets of lights gave me huge control over the light setup giving me a beam spread I could never get with just one light. The Fenix gives the most beautiful even lovely beam I have ever seen. I found the Lenser colder bluer beam was not as soothing, but I noticed it less when used as the distance beam.
    I find the light colour important and prefer the neutral tone of the Fenix. I honestly could go either light tone though as the light pattern and the light itself is the most important thing. Compared together though the neutral tone was the winner.
    I also found I enjoyed the beam spread of the Fenix, which gave me excellent peripheral vision right around the front of the bike and out the sides. This not only eliminated any dark areas in front, it meant cornering was safer as I could look safely into corners even on medium without any trouble. It also works just fine in the distance as well and is powerful enough on maximum for just about anything although some very fast downhill riders may prefer an additional light for distance which the focussing lens of the Lenser gave me.
    I loved the LED screen and light remaining times, this allowed me to see at a glance what I needed to do. My ride was 33k return and 1:43hrs. I used both the 1000 Lumens and medium 400 Lumens anyway but arrived home instead with 50% or two bars remaining on the battery meter. I had cheated a bit of course with the Lenser but honestly medium is fine most of the time for most riding. I think psychologically when you are riding at night in the middle of nowhere brightness and as much as possible is always nice, at least, if it isn’t dazzling.
    I really loved this light almost enough to have two on the bike. I have instead ordered the Led Lenser XEO 19r which is a 2000 Lumen dual light from Lenser with a four 18650 rechargeable power pack. I am a fan of Lenser. My H14R.2 has been excellent and I have had it for four years. They replaced it last year with a new unit due to the battery pack having worn out…. yes, really and I used it a lot. The H14R.2 is excellent with the $20 handlebar mount but not perfect. On hard flat paved tracks, it is perfect but on bumpy tracks it does vibrate (evident a bit in the beam) and rattles very slightly in the mount, not much but I did notice it on the unpaved track. The XEO 19r though is firmly mounted on the bars with no vibration at all, according to reviews, as the mount for the bike has been well thought out. My H14R.2 mount was a $20 accessory. It still works very well though and for most people it would work fine, I’m sure. I am just being very critical.
    The boost and flash on the Fenix I didn’t take much interest in. I think it could be useful when the light is used on its own off road occasionally or to get the attention of traffic when on the road. I pretty well never ride my bike on the road. I have no desire to put my life at risk or to inhale toxic exhaust fumes. We are also lucky here in Perth in Western Australia to have a lot of bike paths, so roads can be avoided easily enough. I did try the boost and yes sure enough it gives more light! It is bright on boost and yes, the boost is easy to access from the switch, but you have to keep the button depressed and it counts down from 20 seconds and then turns off. The flash I didn’t try but it is easy enough to activate from the top of the light by double clicking the on/off button while the light is on.
    Overall, I would highly recommend this product. I haven’t used it a lot yet so I can’t vouch for long term reliability although I believe it will be very reliable as Fenix are a highly respected maker of portable lights.

  15. Greg

    This is a very powerful bike light and I am really pleased with it after seven months of use. I like that there are several modes and that each mode lets you know how much time is left. The most powerful mode is extremely bright. I have used it on trails/mountain bike and on a road bike, and a cyclocross/gravel bike. It has held up very well. I have used it in the rain without any issue. The batteries hold charge for a long time, too. It seems very well built – it’s solid and tightly constructed. Some ways to improve it: if it could be mounted sideways, or under the handlebar more easily, that would be cool. I highly recommend this light!

  16. Johnathon Kemp

    If your looking for retina melting power, long battery life, and an awesome LCD display that indicates the remaining output times then look no further. The design puts all other bike lights to shame, its amazingly durable and reasonably lightweight given the enormous battery inside. for bike touring its a gem, as USB charging is super convenient for use with dynamos or solar chargers. my one niggle is you cannot charge and use it at the same time.

  17. Christopher Hoffmann

    I am a bike light-a-holic and have bought nearly every bike light sold. This is the most powerful light I own with the best disbursement of light.


    The light itself was great but the usb charge port broke rendering the entire light useless. On top of that, the light started to smoke so i threw it in the backyard immediately. Potentially dangerously made light with a faulty charge port

  19. Jeff C

    Got this for my daily commute and so far love it !!.. LOVE the button, great feel, easy to use and no more cycling through all the setting to get what I want! great build quality as well, feels solid !! love digital display since I use it every day, need to know how much time I have left. Don’t see and ratings or specs on operating temps so hope it works as well in the winter rides!

  20. Robert C

    I have the BC21R, I really really wish you could sell the mount system for the BC30R as a separate item (does it work also with the BC21R?) i prefer

  21. Russell

    I’m a sucker for a display, so the backlit OLED digital fuel gauge sold me on this light. As far as I can tell, the gauge is pretty accurate, although to be honest I have never run it so low as to test its automatic output step-down function. Regardless, I prefer the more precise numerical readout as opposed to just a multi-element of color-changing LED. I wish the remote could also activate the boost mode with a longer press without having to hold it down constantly. As it is, the remote is only useful to use as an instant flash to warn oncoming motorists and others.

    The two things that I would like to see in a future update would be to get rid of the turbo mode and make the 1600 lumen setting be the high; and for the remote to be turned into a mode switch instead of a turbo boost button.

  22. Song (verified owner)

    I purchased this light for my commuter bike. The light is definitely bright, especially when using the Burst pressure switch. I don’t ride in the rain so I don’t know how the water resistance is. The body seems very durable, but I haven’t dropped it.

    1. There are no instructions on aiming the light so as not to blind oncoming traffic. I guess this doesn’t matter if you don’t use it in urban traffic, but it would be nice to know where the upper/distant beam should be aimed like when you adjust car headlights. The photo shows the Anti-glare design, but how far away is that pedestrian?

    2. Battery capacity is much lower than the chart says. I’ve tried charging/discharging a few times, but I can never get the digital readout to show more than 1h 57min on the 800 lumen High setting. This would be about 75% of what the max time is supposed to be.

    3. The included mount is nice, stays on well. However, it’s designed for flat bars only and doesn’t fit well on more relaxed mustache/swept-back types of bars like my commuter bike has. So my light sits tilted, causing the beam to be angled. They really should offer a mount with a ball/socket or side hinge so that the light can be tilted sideways too, not just pivoted left/right.

    Overall, the mount issue would probably be the same with any brand of light I try in this lumen range that doesn’t have an external battery pack. The battery issue is disappointing, especially since this is a brand new light. I always ride with a backup light anyway, but if you’re out in the woods that extra 30 min of power is a big deal.

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