Introduction
Thank you for choosing the TUNENGE S12 PLUS Mini LED Flashlight. This compact and powerful torch is designed for versatility and durability, featuring a super bright 600LM output, waterproof construction, a built-in rechargeable battery, and a convenient magnetic tail. This manual provides essential information for safe and efficient use of your new flashlight.
Package Contents
Please check the package carefully to ensure all items are present:
- 1 x TUNENGE S12 PLUS Mini LED Flashlight (with built-in battery)
- 1 x USB-C Charging Cable
- 1 x Key Ring
- 1 x Back Clip
- 1 x User Manual / Warranty Card

Setup
Attaching the Back Clip
The S12 PLUS comes with a detachable back clip for convenient attachment to pockets, hats, or other gear.
- Locate the back clip and the designated slot on the flashlight body.
- Slide the clip onto the flashlight body until it securely snaps into place.
Attaching the Key Ring
Attach the included key ring to the designated loop at the tail of the flashlight for easy carrying with keys or other items.
Operating Instructions
The TUNENGE S12 PLUS features both a main front light and multi-mode side lights, controlled by a single button.
Main Front Light Operation
- Turbo Mode: Long press the power button to activate the extremely bright Turbo mode (up to 600lm). Release the button to turn it off.
- Constant Light Modes (Moonlight, Low, Medium, High):
- Double-click the power button (within 0.5 seconds) to turn on the main light in Moonlight mode (3.5 lm).
- Click the button again to cycle through brightness levels: Low (35 lm) → Medium (350 lm) → High (500 lm).
- Long press the button to turn off the main light.

Side Light Operation (6 Modes)
- Activate Side Lights: Quickly click the power button 3 times to turn on the side light (defaulting to White Light).
- Cycle Modes: Click the button again to cycle through the following side light modes:
- White Light
- White Flash
- 395nm UV Light
- Red Light
- Red Flash
- Red and Blue Flash (Warning Lights)
- Turn Off: Long press the button to turn off the side lights.

Charging
The TUNENGE S12 PLUS features a built-in rechargeable Polymer lithium battery and a USB-C charging port.
- Charging Port: Locate the USB-C charging port, typically at the head of the flashlight.
- Connect: Insert the provided USB-C cable into the flashlight's port and connect the other end to a USB power source (e.g., computer, wall adapter).
- Charging Indicator:
- A red light indicates the flashlight is charging.
- A green light indicates the battery is fully charged.
- Discharge Indicator:
- If the battery level is below 15%, a red light will flash.
- If the battery level is between 15% and 100%, a green light will be steady.
- Charging Time: Approximately 35 minutes for a full charge.

Maintenance
- Cleaning: Wipe the flashlight body with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid completely draining the battery frequently. Charge the flashlight regularly, even if not in use, to maintain battery health.
- Water Resistance: While waterproof (IP66 rated), avoid prolonged submersion or exposing the charging port to water when not properly sealed.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery is depleted. | Charge the flashlight using the provided USB-C cable. |
| Flashlight does not charge. | Charging cable or power source issue. | Ensure the USB-C cable is properly connected and try a different USB power source. |
| Light output is dim. | Low battery or incorrect mode. | Charge the battery. Cycle through the brightness modes to select a brighter setting. |
| Side lights not working. | Not activated correctly. | Ensure you triple-click the power button to activate side lights. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | S12 PLUS |
| Brand Name | TUNENGE |
| Light Source | Sam-Sung LH3518 and Luminus SST20 |
| Brightness | Max 600lm |
| Lighting Distance | 100-200 m |
| Wattage | 10W |
| Run Time (Main Lamp) | Strong Light: 600lm (75 minutes) High Light: 300lm (130 minutes) Low Light: 32 hours Energy Saving Mode: 32 hours |
| Run Time (Side Lamp) | Cold White Light: 112 minutes Cold White Light Flash: 112 minutes UV Light: 125 minutes Red Light: 125 minutes Red Light Flash: 140 minutes Red & Blue Strobe: 160 minutes |
| Cold White Color Temp. | 6500K |
| Body Material | PC + 304 Stainless Steel |
| Input Voltage | 5V |
| Input Current | 500mA |
| Battery Type | Polymer lithium battery (Built-in) |
| Battery Capacity | 350mAh |
| Overcharge Protection Voltage | 4.25V |
| Over Discharge Protection Voltage | 2.8V |
| Charging Time | 35 Minutes |
| Anti-Drop Height | 1.5m |
| Waterproof Grade | IP66 |
| Product Use Environment | 10°C - 40°C |
| Size | 16.8mm x 60.5mm |
| Net Weight | 19 Grams |
| Body Color Options | Transparent / Fluorescent / Gradient (e.g., Blue Gradient, New Black, Fluorescent White) |


User Tips
- Magnetic Tail: Utilize the magnetic tail for hands-free lighting by attaching it to metal surfaces, useful for car repairs or working in dark spaces.
- Keychain Portability: Its small size and key ring attachment make it ideal for everyday carry, ensuring you always have a light source.
- Versatile Side Lights: Experiment with the different side light modes. The UV light can be useful for detecting stains or verifying currency, while the red and blue flashing mode can serve as an emergency signal.
- Hat Clip Use: Attach the flashlight to the brim of a hat using the back clip for a convenient headlamp function.


Warranty and Support
The TUNENGE S12 PLUS Mini LED Flashlight comes with a standard manufacturer's warranty. Please refer to the included Warranty Card for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact the seller or manufacturer directly through their official channels.