1. Introduction
Thank you for choosing the SuperFire C20 LED Rechargeable Flashlight. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your device. Please read it thoroughly before use and retain it for future reference.

The SuperFire C20 flashlight, highlighting its super bright output, IP46 waterproof rating, hidden charging port, and rechargeable battery.
2. Safety Information
To ensure safe operation and prevent damage to the product or injury to yourself, please observe the following safety precautions:
- Do not shine the flashlight directly into eyes. The intense light can cause temporary vision impairment.
- Keep out of reach of children.
- Do not disassemble the flashlight or attempt to modify its internal components. This will void the warranty and may cause damage.
- Use only the specified rechargeable battery (21700 4000mAh Li-ion) and charging cable.
- Avoid exposing the flashlight to extreme temperatures or direct sunlight for prolonged periods.
- Ensure the charging port is properly sealed when not charging to maintain IP46 water resistance.
3. Package Contents
Please check the package for the following items:
- SuperFire C20 LED Flashlight
- 21700 4000mAh Rechargeable Li-ion Battery (pre-installed)
- USB Type-C Charging Cable
- User Manual
4. Product Overview
The SuperFire C20 is a compact and powerful LED flashlight designed for various applications, from outdoor activities to everyday use. Its robust aluminum construction ensures durability, while the IP46 rating provides water resistance.

The SuperFire C20 flashlight, demonstrating its small and exquisite design, fitting comfortably in the palm of a hand.
5. Setup
5.1 Battery Installation and Initial Use
The 21700 4000mAh Li-ion battery is pre-installed in the flashlight. Before first use, it is essential to remove the protective film from the battery to ensure proper electrical contact.
- Unscrew the tail cap of the flashlight.
- Remove the battery and carefully peel off any protective film or sticker from both ends of the battery.
- Reinsert the battery with the positive (+) end facing towards the flashlight head.
- Screw the tail cap back on securely.
For better transportation, the product may be partially discharged. Please charge the product fully after receiving it and before its first use.

Illustration of a battery, indicating the protective film that must be removed before use, and the correct orientation of positive and negative poles.
6. Operating Instructions
The SuperFire C20 flashlight features a single switch control for easy operation and six lighting modes.

The SuperFire C20 flashlight, highlighting its single switch control and the availability of six lighting modes, including a super bright mode.
6.1 Power On/Off
- To Turn On: Press the power button once.
- To Turn Off: Press and hold the power button for approximately 1 second.
6.2 Switching Modes
The flashlight has six modes: Low, Medium, High, Super, Strobe, and SOS.
- Normal Modes (Low, Medium, High): With the flashlight on, single-click the power button to cycle through Low > Medium > High.
- Super Mode: Double-click the power button at any time (whether the flashlight is on or off) to activate the Super bright mode.
- Strobe Mode: From Super mode, single-click the power button to enter Strobe mode.
- SOS Mode: From Strobe mode, single-click the power button to enter SOS mode.

Visual representation of the SuperFire C20 flashlight's six lighting modes and how to control them with a single key.
7. Charging
The SuperFire C20 features a hidden USB Type-C charging port for convenience.
7.1 Accessing the Charging Port
To access the charging port, gently rotate the head of the flashlight. The USB Type-C port will become visible.

Illustration demonstrating how to rotate the flashlight head to reveal the hidden USB Type-C charging port.
7.2 Charging Process
- Connect the provided USB Type-C cable to the flashlight's charging port.
- Connect the other end of the cable to a USB power source (e.g., computer, wall adapter).
- The indicator light on the switch will show the charging status:
- Red Light: Low battery or currently charging.
- Green Light: Fully charged or in use (when flashlight is on).
- Once charging is complete, disconnect the cable and rotate the flashlight head back to cover the charging port, ensuring it is sealed for water resistance.

The SuperFire C20 flashlight being charged via its USB Type-C port, with an illustration of the charging indicator light status (red for low/charging, green for full/in use).
8. Maintenance
8.1 Cleaning
Wipe the flashlight with a soft, damp cloth. Do not use abrasive cleaners or solvents.
8.2 Water Resistance (IP46)
The SuperFire C20 has an IP46 rating, meaning it is protected against solid objects larger than 1mm and against powerful water jets. This makes it suitable for use in rainy or damp conditions. However, it is not designed for submersion in water. Always ensure the charging port is covered when not in use to maintain water resistance.

The SuperFire C20 flashlight covered in water droplets, illustrating its IP46 water-resistant capability.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery is dead or protective film not removed. | Charge the battery. Ensure the protective film has been removed from the battery. Check battery orientation. |
| Flashlight does not charge. | Charging cable or adapter faulty; charging port not fully exposed. | Try a different USB Type-C cable or power source. Ensure the flashlight head is rotated to fully expose the charging port. |
| Light output is dim. | Low battery level. | Recharge the battery. |
10. Specifications
| Feature | Detail |
|---|---|
| Model | C20 |
| Brand | SuperFire |
| Light Source | LED |
| Luminosity | 1100 Lumens |
| Power | 15 Watts |
| Beam Distance | Up to 300 meters |
| Battery Type | 21700 4000mAh Rechargeable Li-ion |
| Charging Port | USB Type-C (hidden) |
| Waterproof Rating | IP46 |
| Material | Aluminum |
| Dimensions (L x W x H) | 2.1 x 2.1 x 14 cm |
| Weight | 135 g |
| Run Time | Up to 5 hours (on certain modes) |