2. Fenix
  3. HM50R

Fenix HM50R User manual

  • Hello! I've reviewed the user manual for the Fenix HM50R V2.0 Headlamp. This manual covers features like different light modes(white and red, multiple power levels), USB-C charging, lockout function and use as a detached flashlight. I am here to help answer your questions about this product.
  • How do I turn on the white light mode?
    How do I turn on the red light mode?
    How do I lock the headlamp?
    What kind of battery is recommended for use?
    How do I know when the battery is low?
FenixHM50RV2.0Headlamp
TechnicalParameters
ANSI/PLATOFL1
WhiteLight RedLight
Turbo High Med Low Red RedFlash
Output
700
lumens
400
lumens
130
lumens
30
lumens
5 
lumens
5 
lumens
Runtime
1hour 3hours 8hours 42hours 60hours 120hours
Distance
115 
meters
86
meters
49
meters
23
meters
6meters 6meters
Intensity
3350
candela
1849
candela
596
candela
128
candela
9candela 9candela
ImpactResistance
2meters
IP68
Note:Accordingto
the ANSI/PLATO
FL1 standard, the
abovespecificationsarefromtheresultsproducedbyFenixthroughitslaboratorytestingusingoneFenixARB‐L16‐
700P rechargeable Li‐ion battery under the temperature of 21±3°C and humidity of 50% ‐ 80%. The true
performanceofthisproductmayvaryaccordingtodifferentworkingenvironmentsandtheactualbatteryused.
*TheTurbooutputismeasuredinatotalofruntimeincluding outputatreducedlevelsduetotemperatureor
protectionmechanisminthedesign.
ProductFeatures 
700lumensmaximumoutput;115metersmaximumbeamdistance. 
CreeXP‐G3S4whitelightLEDwithalifespanof50,000hours.
Includeda16340rechargeableLI‐ionbattery.
Detachablestructure‐canbeusedasaflashlight.
Whiteandredlights 
USBType‐Cchargingportforeasyandfastcharging.
Lockoutfunctionavoidsaccidentalactivation.
MadeofdurableA6061‐T6aluminum.
PremiumtypeHAIIIhard‐anodizedanti‐abrasivefinish.
Size:2.52''x1.42''x1.26''/64x36x32mm.
Weight:2.75oz/78g(includingbatteryandheadband).
OperationInstruction 
Submersible
On/off 
Withthelampswitchedoff,pressandholdtheswitchfor0.5secondstoenterwhitelightmode.
Withthelampswitchedoff,doubleclicktheswitchtoenterredlightmode.
Withthelampswitchedon,pressandholdtheswitchfor0.5secondstoturnoffthelamp.
OutputSelection 
White light mode: single click the switch to cycle through Low →Med →High→ Turbo. (with
intelligentmemorycircuit)
Redlightmode:singleclicktheswitchtocyclethroughRedlight→Redflash.(withoutintelligent
memorycircuit)
LockoutFunction
Lock:whenthelampisswitchedoff,pressandholdtheswitchfor3seconds,thelampwillbe
switchedonwhitelightandthenblinkredfourtimestoindicatelockedstatus.
Unlock:whenthelampislocked,presstheswitchfor3seconds,thelampwillbeactivatedwith4
one‐secondredblinksandactivatedonRedLight.
Inlockedstatus,clickingorpressingtheswitchwillactivate4one‐secondredblinkstoindicate
lockedstatus.
BatterySpecifications 
Type Dimension
Nominal
Voltage
Usability
FenixARB‐L16Series 16340 3.6/3.7V Recommended√√
RechargeableBattery(Li‐
ion)
16340 3.7V Usable √
Non‐rechargeableBattery
(LiFePO4)
16340 3.2V Caution!
Non‐rechargeableBattery
(Lithium)
CR123A 3V Caution!
Warning:*16340Li‐ionbatteriesarepowerfulcellsdesignedforcommercialapplicationsand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.
*Highmodecan'tbeenteredwhenusingtheCR123Abattery.
BatteryReplacement 
Unscrewthecaptoinsertthebatteryinaccordancewiththepolaritymarks,thenscrewthecap
backon.
Charging 
UncoverthecapandplugtheUSBType‐Csideofthechargingcableintothechargingportof
thelamp. 
Theindicatorwilldisplayredwhilechargingandwillturngreenwhenfullycharged. 
The normal charging time of the included Fenix ARB‐L16‐700P 16340 rechargeable Li‐ion
batteryisabout1.5hours. 
Whencharging,theheadlampcanbenormallyusedonLow,Red,Redflash,butchargingtime
willbeprolonged.
Whenchargingiscomplete,replacetheanti‐dustcaptoensurewaterproof anddustproof
ability.
Rechargeastoredheadlampeveryfourmonthstomaintainoptimal Li‐ion battery
performance.
* Charging protection: when charging, if the lamp reaches a temperature of 60°C or above, the lamp will
automaticallyexitchargingstatusandentersleepingmode.
BatteryLevelIndication 
Withthelampswitchedoff,singleclicktheswitchtocheckthebatterystatus,theindicatorwill
lastfor3seconds. 
Greenlighton:saturated100%‐80%
Greenlightflashes:sufficient80%‐50%
Redlighton:poor50%‐20% 
Redlightflashes:critical20%‐0%
Note:ThisonlyworkswithFenixARB‐L16‐700Pbattery.
IntelligentOverheatProtection
ThelampwillaccumulatealotofheatwhenusedatTurbomodeforextendedperiods.Whenthe
lampreachesatemperatureof60°Corabove,thelampwillautomaticallystepdownafewlumens
toreducethetemperature.Whenthetemperaturedropsbelow60°C,itwillthenallowtheuser
forthereselectionofTurbomode. 
Low‐voltageWarning
Whenthevoltageleveldropsbelowthepresetlevel,theheadlampisprogrammedtodownshift
toalowerbrightnessleveluntilLowmodeisreached.WhenthishappensinLowmode,thebattery
levelindicatorblinkstoremindyoutotimelyrechargeorreplacethebattery.
Note:ThisonlyworkswithFenixARB‐L16‐700Pbattery.
HeadbandAssembly 
Theheadbandisfactoryassembledbydefault.
Theheadlampbracketismadeofreinforcedsiliconematerial,whichhasgoodtearresistance
and mechanical strength; it is resistant to low/high temperature, ultraviolet rays, acid and
alkalicorrosion;itiscomfortabletothetouchandwillnotcausecorrosionallergy.
Iftheheadbandisstainedwithsweatandmud,itcanbewasheddirectly.
OtherPurpose
Detachtheheadlampfromtheholderitcanbeusedasaworkflashlight.
UsageandMaintenance 
Disassemblingthesealedheadcancausedamagetothelampandwillvoidthewarranty.
FenixrecommendsusinganexcellentqualityFenixbattery.
Ifthelampwillnotbeusedforanextendedperiod,removethebattery,orthelampcouldbe
damagedbyelectrolyteleakage.
Lock the lamp or take out 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improvesthelamp'sperformanceasdirtycontacts
maycausethelamptoflicker,shineintermittentlyorevenfailtoilluminateforthefollowing
reasons:
A:Thebatteryneedsreplacing.
 Solution:Replacethebattery(Ensurethebatteryisinsertedaccordingtothemanufacturer’s
specifications).
B:Thecontactpointorcontactofthebatteryorheadlampisdirty. 
Solution:Cleanthecontactpointswithacottonswabsoakedinrubbingalcohol.
Iftheabovemethodsdon'twork,pleasecontactthedistributor.
Included 
FenixHM50RV2.0headlamp,ARB‐L16‐700PLI‐ionbattery,USBType‐Cchargingcable,SpareO‐
ring,Usermanual,Warrantycard
Warning
Theheadlampisahigh‐intensitylightingdevicecapableofcausingeyedamagetotheuseror
others.Avoidshiningthelampdirectlyintoanyone’seyes.
Thisheadlampwillaccumulatealotofheatwhenusedforextendedperiods,resultingina
hightemperatureoftheheadlampshell.Payattentiontosafeusetoavoidscalding.
Donotshineanobjectatcloserange,avoidburningtheobjectorcausingdangerduetohigh
temperature.
TheLEDofthisheadlampisnotreplaceable;sotheentirelamp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senda
newmanual.
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