Sofirn SP36 User Manual
Safety precautions
Use only reputable 18650 cells of known origin. Quality high drain cells (over 10A) protected,
button top type cells, from Samsung, Panasonic/Sanyo, Sony or LG are recommended. The
supported maximum length is 71 mm.
Remove and recharge the cell when the low voltage indication is given by the Lamp (repeated
step-downs in light level and eventual shutdown of the light).
The extraordinary energy density that 18650 cells offers also means that hazardous conditions
are created when a cell is short-circuited or damaged. Always treat cells with respect and
properly dispose of damaged cells.
The SP36 is a very high-intensity flashlight. Do not point directly at a person, animal, moving
vehicles or flammable materials.
When running at higher output levels the head of the Lamp will quickly heat. This is normal. In
warmer ambient conditions this temperature may exceed 50ºC depending on your settings, so
please take the necessary precautions when handling the Lamp.
Quick start
Use 3 18650 cells. Please note that the SP36 requires button top cells.
Unscrew the head and insert the battery. Take care with the polarity: Plus points toward the head.
Screw the head back. The SP36 blinks once to confirm it has power and is now operational.
Tighten the head. Do not over-tighten.
When you change the batteries the lamp starts always at the regulated level at ~125 lm
(1×7135).
All functions are performed using the electronic side switch. And basic usage is very simple: Click
for on/off, hold to change brightness. Release and hold again to change brightness the
other way.
From OFF, hold the button. The light output will ramp up from a very low level to Ceiling-Of-
TheRamp. Release the button when the required light level is reached. (The full ramp takes about
3 s.) Use a single-click at any time to turn the SP36 OFF. Please see below for further details.
While ramping it does subtle blinks to signal: Max regulated level (1×7135) and CEILING.
The SP36 has two different ramps: SMOOTH RAMP and STEPPED RAMP. You can change
between them when the lamp is ON with three clicks. Each ramp has its own individual
settings – for floor (lowest level), ceiling (highest level). And the stepped ramp can also have a
configurable number of steps.
TURBO is only for short times. At around a minute you may notice it dims slowly down! The user
should use it only for short periods instead of relying on thermal regulation to prevent heat
damage. Full turbo is powerful enough to start fires in just a few seconds, especially when aimed
at dark-colored materials.
Integrated charger
The SP36 has a USB-C charging port. Please us a premium cable and a power adapter with 5V, 2A to
charge your lamp.
While charging the switch LED is reed. It goes green when charging is finished.
While charging you can use BattCheck mode from the Group 1 Blinkies to check the voltage level and
all other flashlight functions can be used normally when charging.
Specifications
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