1. Introduction
The Sofirn IF23 Pro is an advanced and versatile LED flashlight, an upgraded version of the IF23, designed for a wide range of applications from everyday carry (EDC) to outdoor adventures and professional use. It features a powerful main light, a multi-functional side COB light with RGB capabilities, and an intuitive dual-switch interface for simplified operation. This manual provides detailed instructions for safe and effective use of your IF23 Pro flashlight.

2. Safety Information
- Do not shine the light directly into eyes.
- Keep out of reach of children.
- Do not disassemble the flashlight head or body; doing so may damage the flashlight and void the warranty.
- Use only recommended 21700 batteries. Improper battery installation can cause damage due to reverse polarity.
- The flashlight may become hot during prolonged use at high output levels.
- Ensure the USB-C port cover is securely closed to maintain IP66 water resistance.
3. Package Contents
The Sofirn IF23 Pro typically includes:
- Sofirn IF23 Pro Flashlight
- 1x 21700 Rechargeable Battery (5000mAh)
- USB Type-C Charging Cable
- Lanyard (may vary by package)
- User Manual (this document)
4. Specifications
| Mode | Eco/Moon | Low | Medium | High | Turbo | Strobe | SOS | Beacon |
|---|---|---|---|---|---|---|---|---|
| Main Light Output (lumens) | 5 | 100 | 550 | 1300 | 5000 | 5000 | 550 | 5000 |
| Side Light Output (lumens) | 0.5 | - | - | 400 | 750 | 400 | 100 | 400 |
| Main Light Beam Distance | 8m | 33m | 77m | 120m | 226m | - | - | - |
| Side Light Beam Distance | - | - | - | 32m | 42m | - | - | - |
| Main Light Runtime | 350h | 30h | 6h | 3h | 2h | - | - | - |
| Side Light Runtime | 850h | - | - | 4h | 3.5h | - | - | - |
| Color Mode Runtime | 40h | |||||||
| Main Light Peak Intensity | 15cd | 265cd | 1500cd | 3575cd | 12775cd | - | - | - |
| Side Light Peak Intensity | - | - | - | 250cd | 435cd | - | - | - |
Note: The above parameters are based on tests according to international flashlight testing standards (ANSI/NEMA FL1) using one 4000mAh 21700 battery. Results may vary with different battery or under different environmental conditions.
General Specifications:
- Emitter: High-powered XHP70B LED (Main Light), COB LEDs (Side Light)
- Main Light Driver: Buck driver
- Side Light Driver: FET driver
- Battery Option: 1×21700 battery
- Working Voltage: 3V-4.2V
- Mode Operation: Side e-switch and magnetic rotary switch
- Charging: USB Type-C charging (5V/3A max output)
- Material: AL6061-T6 aluminium alloy
- Water Resistance: IP66 waterproof (ready for wet & rough environments, not recommended for underwater use)
- Size: 31.25mm (head diameter) × 27.5mm (body diameter) × 133mm (length)
- Weight: 130g (without battery)
- Functions: Shock Resistant, Self Defense, Hard Light
- Focal Length: Non-adjustable
- Light Source: LED bulbs
- Wattage: 40W
- Certification: CCC, CE, ROHS
- Switch Mode: High/Middle/Low
- Batteries Included: Yes
- Magnetic Tailcap: Yes
- Power Bank Function: Yes
- Reverse Polarity Protection: Yes
5. Setup
5.1 Battery Installation
- Unscrew the tailcap of the flashlight.
- Insert the provided 21700 battery with the positive (+) end facing towards the head of the flashlight. The IF23 Pro features reverse polarity protection to prevent damage from incorrect battery installation.
- Screw the tailcap back on tightly.
5.2 Initial Charging
Before first use, it is recommended to fully charge the battery. Connect the flashlight to a USB power adapter (not included) using the provided USB Type-C cable. The charging indicator will show the charging status.
6. Operating Instructions
The IF23 Pro features two independent switches: a magnetic rotary switch and a side e-switch. The rotary switch selects the light source mode (Main Light, Side White Light, Color Mode, Lockout), while the e-switch controls brightness levels and specific functions within each mode.

6.1 Rotary Switch Operation
Rotate the magnetic rotary switch to select one of the following modes:
- Lockout: Prevents accidental activation.
- Main Light: Activates the primary XHP70B LED.
- Color Mode: Activates the RGB side LEDs.
- Side White Light: Activates the white COB side LEDs.
6.2 E-Switch Operation (within selected mode)
The e-switch controls brightness and special functions. The behavior of the e-switch depends on the mode selected by the rotary switch.
Main Light Mode:
- Single Click: Turn ON/OFF.
- Press and Hold (from OFF): Activates Eco Mode.
- Press and Hold (from ON): Ramping (stepless brightness adjustment). Release to set brightness.
- Double Click: Activates Turbo mode. Double click again for Strobe, then SOS, then Beacon. Single click to return to previous mode.

Side White Light Mode:
- Single Click: Turn ON/OFF.
- Press and Hold (from OFF): Activates Moonlight Mode.
- Press and Hold (from ON): Ramping (stepless brightness adjustment). Release to set brightness.
- Double Click: Activates High mode. Double click again for Turbo, then Strobe, then SOS, then Beacon. Single click to return to previous mode.
- Double Click and Hold (from ON): Stepless color temperature adjustment (2800K-6500K).

Color Mode:
- Single Click: Turn ON/OFF.
- Press and Hold (from ON): Stepless color adjustment.
- Double Click: Cycles through Flashing (color memory), Police Flash, Rainbow, RGB Waterfall, Droplets, Neon Fade. Single click to return to previous mode.

Lockout Mode:
- Single Click (from ON): Turns OFF.
- Single Click (from OFF): Activates Battery Indicator for 5 seconds.

7. Battery Level Indicator
After turning on the IF23 Pro, or clicking the e-switch when it is in lockout mode, the indicator will display the power status for 5 seconds:
- Green Constant On: 70%-100%
- Green Flashes: 40%-70%
- Red Constant On: 10%-40%
- Red Flashes: 0%-10%
Note: When the flashlight is on, the red indicator will keep flashing when the remaining battery is lower than 10%. The flashlight automatically turns off when the battery voltage is lower than 2.8V.
8. Charging and Power Bank Function
8.1 Charging the Flashlight
The IF23 Pro features a USB Type-C charging port for convenient charging. Connect the flashlight to a USB power adapter (not included) with 5V/3A (max) output using the provided USB-C cable.
- Red Indicator: Charging
- Green Indicator: Fully Charged

8.2 Power Bank Function
The IF23 Pro can also function as a power bank to charge other devices. Connect your device to the flashlight's USB Type-C port using a compatible cable.
- No Indicator: Sufficient battery level for discharging.
- Red Flashes: Low battery level, indicating the flashlight's battery is nearly depleted.
9. Maintenance
- Clean the flashlight body with a soft cloth.
- Lubricate threads regularly with silicone grease to prevent wear.
- Replace O-rings if they are damaged to maintain water resistance.
- Remove the battery if the flashlight is not used for an extended period to prevent leakage.
- Store the flashlight in a cool, dry place.

10. Troubleshooting
- Flashlight not turning on: Check if the battery is inserted correctly (positive end towards the head). Ensure the tailcap is tightened. Check battery level and charge if necessary.
- Light output is dim or flickering: Charge the battery. Clean battery contacts and threads.
- Flashlight gets hot quickly: This is normal for high output modes. Reduce brightness to lower temperature. Ensure proper ventilation.
- Water ingress: Ensure all seals (O-rings, USB-C port cover) are intact and properly seated. Do not use underwater if seals are compromised.
11. User Tips
- The magnetic tailcap is very useful for hands-free operation, especially during vehicle maintenance or as a work light.
- Experiment with the RGB color modes for creative lighting in photography or for signaling in emergencies.
- Utilize the power bank function to charge your phone or other small devices when away from a power source.
- The compact size and pocket clip make it an excellent EDC (Everyday Carry) flashlight.


12. Warranty and Support
Sofirn Limited provides a warranty for its products. Please contact us for a refund or replacement if your flashlight has a problem within the warranty period.
For further assistance, you may refer to the official user manual PDF: Sofirn IF23 Pro User Manual (PDF)
Contact Information:
Sofirn Limited:
- Tel: +86-755-23440047
- Fax: +86-755-23440141
- Web: www.sofirn.cn, www.sofirnlight.com
- E-mail: us@sofirnlight.com, eu@sofirnlight.com, wholesale@sofirn.cn, yx003@sofirn.cn





