Battery Level Indication; Intelligent Overheat Protection; Low-Voltage Warning - Fenix HM50R V2.0 User Manual


When charging is complete, replace the anti‐dust cap to ensure waterproof 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‐L16‐700P battery.
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