1. Introduction
The Genwiss LED Diving Torch is engineered for underwater exploration, offering powerful illumination and robust construction. This manual provides essential information for the safe and effective use of your diving torch, ensuring optimal performance and longevity. Please read this manual thoroughly before operating the device.

Image 1: Genwiss LED Diving Torch. This image displays the main product, a black diving flashlight with a lanyard attached.
2. Safety Information
Always prioritize safety when using diving equipment. Failure to follow these instructions may result in injury or damage to the product.
- Battery Safety: Use only the specified Lithium-ion battery. Do not expose batteries to extreme heat, direct sunlight, or dispose of them in fire. Do not short-circuit the battery. Keep batteries out of reach of children.
- Waterproofing: Before each dive, ensure all O-rings are clean, properly seated, and lubricated. Tighten the torch head and tail cap securely to maintain the IPX8 waterproof rating.
- Light Intensity: The torch emits a powerful beam. Avoid shining the light directly into eyes, as it may cause temporary vision impairment.
- Temperature: Do not operate the torch in temperatures outside its specified range.
- Maintenance: Regular maintenance is crucial for safe operation. Refer to the Maintenance section for details.
3. Package Contents
Verify that all items are present in the package:
- 1 x Genwiss LED Diving Torch
- 1 x Rechargeable Lithium-ion Battery (5000mAh)
- 1 x Battery Charger
- 1 x USB Charging Cable
- 1 x Lanyard
- 2 x Spare O-Rings
- 1 x User Manual

Image 2: Package Contents. This image shows the diving torch, battery, charger, USB cable, lanyard, spare O-rings, and user manual.
4. Product Features
The Genwiss LED Diving Torch is equipped with advanced features for superior underwater performance:
- LED Light Source: High-power Luminus SST40.2 LED.
- Brightness: Up to 2000 lumens for exceptional underwater visibility.
- Beam Angle: Focused 9-degree beam for clear, bright illumination.
- Waterproof Rating: IPX8, tested to a maximum depth of 150 meters.
- Durable Construction: Aerospace-grade 6061 aluminum alloy body with three-stage anodic oxidation treatment for corrosion resistance and high hardness.
- High-Strength Lens: 4mm tempered glass lens for durability and shock resistance.
- Battery: High-capacity 5000mAh Lithium-ion battery for extended runtime (2 to 25 hours).
- Battery Protection: Features over-charge, overvoltage, and low voltage protection.
- Magnetic Control Switch: Enhances operational reliability and ease of use underwater.
- Multiple Light Modes: High, Medium, Low, Strobe, and SOS.
- Battery Power Indicator: Visual indicator for remaining battery level.

Image 3: Super Bright LED. This image highlights the Luminus SST40.2 LED, 2000 lumens brightness, 300m light range, and 75-degree beam angle (note: product description specifies 9-degree focused beam).

Image 4: Waterproof Depth. This image illustrates the IPX8 waterproof rating, allowing submersion up to 150 meters, and shows a waterproof silicone ring.
5. Setup
Follow these steps to prepare your diving torch for use:
- Unpack: Carefully remove all components from the packaging.
- Battery Insertion: Unscrew the tail cap of the torch. Insert the 5000mAh Lithium-ion battery with the positive (+) end facing towards the torch head. Screw the tail cap back on securely.
- Initial Charge: Before first use, fully charge the battery using the provided charger and USB cable. The charger indicator will typically change color (e.g., red to green) when charging is complete.
- Attach Lanyard: Secure the lanyard to the designated attachment point on the torch for added security during use.
- Inspect O-Rings: Before every dive, unscrew the torch head and tail cap to inspect the O-rings. Ensure they are clean, free of debris, and properly lubricated with silicone grease. This is critical for maintaining the waterproof seal.
6. Operating Instructions
The Genwiss LED Diving Torch features a magnetic control switch for easy operation underwater.
- Turning On/Off: Rotate the magnetic control switch to the 'ON' position to turn on the torch. Rotate it to the 'OFF' position to turn it off.
- Changing Light Modes: With the torch on, rotate the magnetic control switch to cycle through the available modes: High, Medium, Low, Strobe, and SOS. Each rotation will advance to the next mode.
- Battery Power Indicator: The torch is equipped with a battery indicator light to show the remaining power:
- Green Light: Battery level is above 80%.
- Yellow Light: Battery level is between 20% and 80%.
- Red Light (flashing): Battery level is below 20%. Recharge immediately.

Image 5: 5 Light Modes. This image illustrates the High, Medium, Low, Strobe, and SOS modes, and shows how to rotate the switch to change modes.

Image 6: Battery Power Indicator. This image details the green, yellow, and red flashing lights indicating battery levels (over 80%, 20-80%, less than 20% respectively).
7. Battery Information
The Genwiss LED Diving Torch uses a high-capacity 5000mAh Lithium-ion battery, providing a long runtime of 2 to 25 hours depending on the selected mode. The battery is equipped with advanced protection features:
- Over-charge Protection: Prevents damage from excessive charging.
- Overvoltage Protection: Safeguards against voltage spikes.
- Low Voltage Protection: Prevents deep discharge, extending battery life.
- Charge Cycles: Designed for approximately 500 charge cycles.
For optimal battery life, charge the battery fully before initial use and after each dive. If storing the torch for an extended period, charge the battery every 3-6 months to prevent deep discharge.

Image 7: 5000 mAh Battery. This image highlights the 5000mAh battery capacity and its protection features: over-charge, overvoltage, and low voltage protection, along with 500 charge cycles and energy-saving benefits.
8. Maintenance
Proper maintenance ensures the longevity and reliable performance of your diving torch.
- Rinse After Use: After every dive, rinse the torch thoroughly with fresh water to remove salt, sand, and other debris. Do not use hot water.
- O-Ring Care: Regularly inspect the O-rings for any signs of wear, cuts, or dirt. Clean them gently and apply a thin layer of silicone grease to keep them supple and ensure a watertight seal. Replace damaged O-rings with the provided spares.
- Cleaning: Wipe the torch body with a soft, damp cloth. Avoid using abrasive cleaners or solvents.
- Storage: Store the torch in a cool, dry place, away from direct sunlight and extreme temperatures. If storing for extended periods, remove the battery or ensure it is charged periodically.
9. Troubleshooting
If you encounter issues with your Genwiss LED Diving Torch, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Torch does not turn on | Low or depleted battery Battery inserted incorrectly Loose connections | Charge the battery fully Ensure battery is inserted with correct polarity Tighten torch head and tail cap |
| Light flickers or is dim | Low battery Loose connection | Recharge the battery Ensure all parts are securely tightened |
| Water leakage | Damaged or dirty O-rings Improperly sealed torch | Inspect and clean O-rings; lubricate or replace if damaged Ensure torch head and tail cap are securely tightened before diving |
| Magnetic switch is stiff | Accumulated salt or debris | Rinse thoroughly with fresh water and try to operate. If persistent, contact support. |
If the problem persists after attempting these solutions, please contact customer support.
10. Specifications
Detailed technical specifications for the Genwiss LED Diving Torch T45:
| Feature | Specification |
|---|---|
| Brand | Genwiss |
| Model Number | T45 |
| Light Source | Luminus SST40.2 LED |
| Brightness | 2000 Lumens |
| Beam Angle | 9 Degrees |
| Waterproof Rating | IPX8 (up to 150 meters) |
| Material | Aerospace-grade Aluminum |
| Lens Material | 4mm Tempered Glass |
| Battery Type | 1 x 5000mAh Lithium-ion (included) |
| Voltage | 3.7V |
| Power | 10 Watts |
| Dimensions (L x W x H) | 4.39 x 4.45 x 14.86 cm |
| Weight | 318 g |
| Special Features | Durable, Long Range, Portable, Magnetic Switch |
11. Warranty and Support
No specific warranty information is provided with this product. For any support inquiries, technical assistance, or to report issues, please contact your retailer or the manufacturer directly through their official channels.
12. Intended Use
The Genwiss LED Diving Torch is designed for a variety of underwater and outdoor activities, including:
- Scuba Diving
- Underwater Hunting
- Cave Exploration
- Search and Rescue Operations
- General Outdoor Illumination
- Marine Vessel Work Lighting

Image 8: Usage Scenarios. This image depicts various applications for the diving torch, including scuba diving, underwater hunting, cave exploration, and rescue operations.