Fenix BC45R is a premium rechargeable bike light for trail and ultra-distance cycling. It features 3300 max lumens output, spot and flood beams that can be used separately or combined, a full function wireless remote control, OLED digital display and replaceable 18650 cells for battery changes on the go.
The light can be operated with the dual on board buttons to adjust either beam, or with the wireless remote control, adding 3300 lumen boost and flashing functions.
2 x Fenix 3400mAh 18650 batteries are included, giving great run times at the lower power levels while delivering sufficient current for bursts of extreme output during technical riding. The locking, slide out battery tray is great for fast changes during a ride.
BC45R is charged via an inner waterproof USB-C socket, with an O-LED panel on top of the light displaying remaining charge, the current brightness level, lighting modes in use, and battery level during charging.
The supplied quick release mount gives peace of mind when your bike is parked.
Fenix BC45R bike light performance:
High beam (spot):
Low: 200 lumens (16 hrs 45 min) - 85m beam
Med: 800 lumens (6 hrs 15 min total) - 174m beam
High: 2000 lumens (5 hrs 30 min total including step downs) - 269m beam
Instant-Turbo: 3300 lumens (3 hrs total including step downs) - 286m beam
Flashing: 80-100 lumens
Fenix BC45R bike light features:
• Spot and flood beams can be used individually or combined
• The light can be operated by the dual on board buttons or the supplied wireless remote control
• Wireless remote gives access to all light functions plus instant 3300 lumen Turbo and Flashing modes
• 2 hour sleep mode allows instant wake-up with the wireless remote control
• Powered by 2 x Fenix 3400mAh 18650 batteries (supplied)
• Waterproof USB-C charging socket
• Fast charging in 3.5 hrs using a suitable 9v 2A charging adaptor (not supplied)
• Eco, low and medium outputs can be used while charging
• Replaceable batteries with slide-out battery tray (easily swap for spares)
• OLED display shows remaining charge, the current brightness level, lighting modes in use, low battery warning and battery level during charging
• Quick release handlebar mount fits bars from 22-35mm
• Memory mode remembers your last used brightness level except Turbo and Flashing modes.
• Intelligent over-heat protection at 50c with auto brightness decrease-increase
• Lock-out function helps prevent accidental activation
• Made from A6061 T6 aluminium
• 125 x 45 x 37mm size
• IP66 weather protected
For full product details please refer to the user manual in the images area.
Specification
LED Type
1 x SFT-40 cold white LED and 4 x SST12 cold white LED's
1 x reflector on main beam + 4 x TIR lenses on flood beam
Switch Type
High beam switch and low beam switch on bike light, high beam, low beam and functional switches on wireless remote control
Construction
A6061-T6 aircraft grade aluminum
Finish
Premium Type III hard-anodized anti-abrasive finish
Tail Stand
No
Pocket Clip
No
Waterproofing
IP66, weatherproof and dustproof
Dimensions/Weight
125mm (Length) x 50mm (Width) x 37mm (Height).
300 grams (including batteries).
Further Info
N/A
Operation
Fenix BC45R Operation:
Switches:
High beam switch - Low beam switch
On/Off:
Press and hold the high beam switch for over 0.5 seconds to turn on/off the High beam mode. Press and hold the low beam switch for over 0.5 seconds to turn on/off the Low beam mode.
Output Selection:
High beam mode: single click the high beam switch to cycle through Low→Med→High. Low beam mode: single click the low beam switch to cycle through Eco→Low→Med→High.
Lockout Function:
Lock: With the light turned off and unlocked, double click either switch on the light within 0.5 seconds, the light will blink twice in Eco output of Low beam mode to indicate locked status. Unlock: With the light locked, double click either switch on the light within 0.5 seconds, the light will enter the selected mode at its lowest output level to indicate it is unlocked.
Operating Instructions - Wireless Remote:
Switches:
High beam switch - Low beam switch - Function switch
The high beam switch controls the High beam mode. The low beam switch controls the Low beam mode. The functional switch controls the Special mode.
Connecting with BC45R:
Press and hold either switch on the light for 5 seconds, the OLED display will show “Connecting”. Single click any switch on the wireless remote, and the OLED display will show “Pair?”. Single click either switch on the light, the OLED display will show “Connected!” to indicate that pairing is complete. Once paired, the wireless remote will automatically memorise the paired status. No re-pairing is required. *The initial pairing process must be completed within 60 seconds, or it will cancel automatically.
Output Selection:
With the light turned on, single click the high beam switch to cycle through Low→Med→High. With the light turned on, single click the low beam switch to cycle through Eco→Low→Med→High. With the light turned on, single click the functional switch to enter Turbo; double click to enter Flash. Single click any switch except for the functional switch to exit Flash mode and return to the previously used level. *If the battery is low while Turbo is on, it will light up with the highest brightness supported by the current battery level.
Sleep Mode:
Enter: With the light turned on, press and hold the functional switch for over 1.5 seconds; the light will go out, enter Sleep mode, and show on the OLED display. Single click any switch on the remote switch or the light to wake up the light and enter the selected mode. Exit: Turn off the bicycle light with either switch on the light to exit Sleep mode. *The light will automatically exit Sleep mode if no operation is detected for two hours.
OLED Display:
Turn on the light to activate the OLED display, which will remain on to show the current brightness level, mode, and battery level. If only one battery is inserted, the OLED display will show
*If the battery level is lower than 10%, the battery icon on the OLED display will blink to remind users to replace or recharge the batteries in a timely manner. Meanwhile, all brightness levels of High beam mode are limited to 200 lumens, while those of Low beam mode are limited to 50 lumens.
Intelligent Memory Circuit:
The light automatically memorises the previously used output excluding Flash and Turbo. When turned on again, the previously selected output will be recalled.
Battery Specifications:
Fenix ARB-L18 Series 18650 3.6 V Recommended √√ Rechargeable Battery (Li-ion) 18650 3.6 V/3.7 V Caution* ! Rechargeable Battery (LiFePO4) 18650 3.2 V Banned ×
Do not mix batteries of different types or ages. Doing so may cause damage to the light or the batteries being used. 18650 Li-ion batteries are powerful cells designed for commercial applications and must be treated with caution and handled with care. Using low-quality batteries or mishandling batteries (such as short-circuiting or overheating) could lead to combustion and jeopardize the safety of users and property. Any adverse effect resulting from the use of low-quality batteries is not covered by any Fenix warranty or liability. Using quality batteries with circuit protection will reduce the potential for combustion or explosion.
Battery Replacement:
Bicycle Light:
1. Rotate the tail cap lever in the direction of the "OPEN" logo, and pull out of the battery case. 2. Insert the batteries according to the polarity marks of the battery case. 3. Insert the battery case into the light body, and push the case fully home while rotating the tail cap lever in the clockwise direction.
Wireless Remote:
Insert a coin into the back of the wireless remote, rotate the coin counter clockwise to open the battery cover; then insert the battery and tighten the back cover clockwise. *Replace the CR1632 button battery every 3 months to maintain the peak performance.
Charging:
Turn off the bicycle light and open the anti-dust cover. Plug the USB Type-C end of the charging cable into the charging port. The OLED display will show (battery logo plus lightning flash) while charging and then show
once charging is completed and the charging cable is unplugged. Once charging is completed, be sure to unplug the charging cable and close the anti-dust cover.
Note:
The Eco, Low, and Med outputs of Low beam mode and the Low and Med outputs of High beam mode can be activated while charging, but the charging time will be prolonged.
Recharge a stored light every four months to maintain the optimum performance of the batteries. With the light turned off, the normal charging time of the included Fenix ARB-L18-3400 batteries is approximately 3.5 hours from depleted to fully charged with a 9 V/2 A charging adapter. The wireless remote cannot be operated while charging due to charging circuit protection.
Power specifications: ◎Charging voltage: 9 V ◎Charging power: 18 W (9 V/2 A) ◎This bicycle light supports fast charging. ◎Only use a certified USB charging adapter that complies with the government safety standards of the country or region where this product is sold.
Mounting Instructions for the Bicycle Light and the Wireless Remote:
1. Loosen the screw of the bicycle mount. Fix the bicycle mount in the desired position on the bike handlebar and fasten the screw. 2. Hold the light and slide it into the mount until a distinct “click” is heard. 3. Fasten the strap of the wireless remote to the desired position on the bike handlebar.
Note:
1. Adjust the direction of the light before testing the power and functions of the bicycle light. 2. Use the shims provided according to the diameter of the bicycle’s handlebars: Thick only: diameter 22-28 mm; Thin only: diameter 28-32 mm; No shim required: diameter 32-35 mm.
Intelligent Overheat Protection:
The light will accumulate a lot of heat when used at high output levels for extended periods. When the light reaches 55°C/131°F or above, it will automatically step down a few lumens to reduce the temperature. When the temperature drops below 50°C/122°F, the light will gradually recall the pre-set output level.
Low-voltage Warning:
When the voltage level drops below the pre-set level, the light is programmed to downshift to a lower brightness until Eco output is reached. When this happens in Eco output, the battery icon on the display will blink to remind users to replace or recharge the batteries. To ensure normal use, the light will not turn off automatically, and the battery icon on the OLED display will keep blinking till the battery level runs out. *This only works with a Fenix ARB-L18 Series battery.
Usage and Maintenance:
◎Disassembling the sealed head can cause damage to the light and will void the warranty. ◎Replace or recharge the batteries in time to ensure normal use for next time. ◎Fenix recommends using excellent quality batteries. ◎If the light will not be used for an extended period, remove the batteries, or the light could be damaged by electrolyte leakage. ◎Recharge a stored light every three months to maintain optimum battery performance. ◎Long-term use can result in O-ring wear. To maintain a proper seal, replace the ring with an approved spare. ◎Periodic cleaning of the light and battery contacts improves the light's performance as dirty contacts may cause flickering, intermittent operation or even failure to illuminate.
Package & Contents
Retail Packaged Fenix BC45R Bike Light Bicycle mount Bicycle mounting shim (thin/thick) Wireless remote CR1632 battery 2 x Fenix ARB-L18-3400 Batteries Spare O-ring USB-C Charging cable User Manual Warranty card
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