SOONFIRE E37 Rechargeable LED Flashlight

User Manual

Brand: SOONFIRE

Model: E37 Series

Certifications: CE, RoHS

High performance-price ratio | Excellent customer support

Getting Started

Before first use: Charge the flashlight fully. Ensure the body is screwed down securely before charging or use.

Charging:

Turn the flashlight ON.
Plug in the USB cable.

Charging Indicator Lights:

Blue: Fully charged
Blue flashes: Charge sufficient
Red: Low charge
Red flashes: Critical charge

Note: Red fast flashing indicates abnormal charging. Ensure the end body is screwed down properly.

Only low modes are available while charging. To turn on while charging, press the switch for 2 seconds.

Smart Brightness Adjustment & Maintenance:

Loose the body slightly to avoid accidental activation. Charge the flashlight at least once every 6 months.

For optimal performance, regularly clean the battery contacts using a cotton swab soaked in rubbing alcohol. Dirty contacts may cause the flashlight to stop working.

Operating Instructions

Power On/Off & Mode Cycling:

Press the switch for 0.5 seconds to turn the flashlight ON or OFF.
The flashlight will set to a brightness mode (low, middle, or ultra-bright) and memorize the last used mode upon turning off.

Changing Brightness Modes:

From any mode, quickly double-click the switch to select "Ultra-bright mode".
Quickly double-click again to access "Strobe and SOS mode".

Special Modes (from Turn Off State):

Press and hold the switch for 3 seconds to set "Low" mode.
Press and hold the switch for another 3 seconds to engage "Locking" mode.
Quickly click the switch three times to "Unlock" the flashlight.

The high brightness mode has a usage limit of 3 minutes. The flashlight will return to its original state after charging.

Performance & System Information

ITS Smart Temperature Control System: The flashlight features a system to manage temperature.

Runtime: Brightness automatically decreases with time to manage heat and battery life. The usage time varies depending on the battery capacity.

Diagrams: The manual includes a section structure diagram and a schematic circuit diagram.