was evaluated in February 2024 as the most popular headlamp on the market and Ruby was thus awarded the title Product of the Year 2023. The second generation of the very popular Fenix ​​HM51R Ruby V2.0 rechargeable headlamp offers a luminous flux of up to 700 lumens (ANSI) of neutral white light (4500 K) with an afterglow of up to 120 meters and is also equipped with red LEDs. It is powered by one rechargeable battery type RCR123A (included in the package), which is recharged directly in the flashlight via a modern USB-C connector, alternatively, a disposable CR123A lithium battery (with a limited maximum output of 150 lumens) can be used for power. In addition, there is an indicator LED in the control button, thanks to which you will always know when to recharge the battery. The end of the torch is magnetic, so it can be easily attached to anything iron. The HM51R has nine different lighting modes that allow you to choose between high performance and long endurance (up to 120 hours). The flashlight is powered by a digitally controlled constant current to guarantee a constant light output even when the voltage in the batteries is reduced (while they are slowly discharging).

• output: 700 lm
• afterglow: 120 m
• max. duration: 120 hours
• 66mm length x 36mm width x 32mm height (including headlamp mount).
• weight: 80 g (including strap and battery) 60 g (without battery)
• body made of high-strength aircraft aluminum alloy A6061-T6
• battery capacity indication and low voltage warning
• power supply: 1x CR123A, 1x RCR123A
• USB charging
• number of modes: 9
• waterproof: IP68 (immersion 2 m)
• light color: neutral white (4000-5000 K), red
• light source: Luminus SST-20
• premium powerful SST-20 LED with neutral light shade (4500K) and 50000 hours lifespan and two red Everlight LEDs are used
• five white light modes: 700 lumens (0.5 hours) -> 400 lumens (1.5 hours) -> 150 lumens (2.5 hours) -> 50 lumens (8 hours) -> 3 lumens (120 hours)
• four red light modes: 5 lumens (36 hours) -> 1 lumen (100 hours) -> red flashing 5 lumens (72 hours) -> SOS 5 lumens (72 hours)
• measured with a Fenix ​​RCR123A Li-ion battery with a capacity of 700 mAh (included in the package)
• for power it uses one Fenix ​​RCR123A 700 mAh Li-ion battery, which is included in the package
• one single 3V CR123A lithium battery can also be used for power in an emergency, but the highest mode available will be 130 lumens
• digital constant power regulation
• charging via the USB-C connector on the side of the headlamp, the charging time for a fully discharged battery is approx. 1.5 hours
• a continuous light cone with an afterglow of up to 120 meters (3690 cd)
• the flashlight has memory and will always turn on in the last set mode (applies to white and red light)
• magnetic end, the headlamp can be attached to anything iron
• protection against reverse battery insertion (reverse polarity)
• the cleverly designed holder also works as a buckle if you remove the headlamp from the strap
• comfortable perforated strap
• simple control with one switch
• resistant, hard-to-scratch surface - Type III hard anodized
• dustproof and waterproof according to the IP68 standard (tested under water at a depth of 2 meters for 4 hours)
• impact resistant to falls from a height of 2 meters
• quality TIR optics with high light transmission
• included in the package: HM51R headlamp, ARB-L16-700P battery, spare o-ring, USB-C charging cable, steel clip
• the Fenix ​​APB-20 case can be purchased in addition to the headlamp
• after removing the headlamp from the holder, the Lockblock and Bikeblock holders can be attached to the handlebars
• it is also possible to purchase a spare strap, a USB adapter for the mains and a USB adapter for the car or a spare battery RCR123A with a micro-USB connector or a spare battery with a higher capacity of 800 mAh