Strobe Mode
With the light on, long press the side switch for 1 second to enter Strobe mode, click the side
switch again to turn back to general mode
Notice: 1. Under this mode, the flashlight memorizes the last used output mode and the
next time you turn it on, it will recall that previously used output.
2. Turbo Mode: This output mode work within the LED tolerance in accordance with
the battery capacity. If it is not Fenix ARB-L2-3400 18650 rechargeable Li-ion
battery, the light brightness will gradually decrease because of the battery
capacity limitation. Due to the protective setup of automatically turning to High
from Turbo after working 5 minutes, the runtime of the Turbo brightness level is
the accumulated time.
Battery Specification
Type
Dimension
s
Nominal
Voltage
Usability
Fenix ARB-L2 Series
18650
3.6V/3.7V
Recommended
√
Non-rechargeable
Battery
(Lithium)
CR123A
3V
Usable
√
Rechargeable Battery
(Li-ion)
16340
3.6V/3.7V
Cautious *
！
Rechargeable Battery
(Li-ion)
18650
3.6V/3.7V
Cautious *
！
Rechargeable Battery
(LiFePO
4
)
16340
3.2V
Usable
√
Rechargeable Battery
(LiFePO
4
)
18650
3.2V
Banned
×
Warning: Please do not mix batteries of different brands, sizes, capacities or types. Doing
so may cause damage to the flashlight or the batteries being used.
*18650/16340 Li-ion batteries are powerful cells designed for commercial applications and
must be treated with caution and handled with care. 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.
Battery Replacement
Unscrew the tail cap to insert the batteries with the anode side (+) toward the light's head,
screw the tail cap back on.
Usage and Maintenance
Disassembling the sealed head as this may cause damage to the light and will void the
