1. Introduction
Thank you for purchasing the STANLEY SL3HS HALO Spot LED Rechargeable light. This powerful and versatile spotlight is designed for durability and performance, featuring a bright 600-lumen LED, an energy-saving mode, and a robust waterproof design. Please read this manual carefully before use to ensure proper operation and maintenance.
2. Safety Information
Always follow basic safety precautions when using electrical products to reduce the risk of fire, electric shock, and personal injury.
- Do not disassemble the unit. Refer servicing to qualified personnel only.
- Do not expose the unit to extreme temperatures or direct sunlight for prolonged periods.
- Ensure the charging port cover is securely closed before submerging the light in water.
- Keep out of reach of children.
- Dispose of batteries properly according to local regulations.
3. Package Contents
- 1 x STANLEY SL3HS HALO Spot LED Rechargeable Light (600 Lumens)
- 1 x Charging Cable (USB or AC adapter, depending on model)

Figure 3.1: The STANLEY SL3HS HALO Spot LED Rechargeable light shown in its retail packaging, highlighting key features like 600 lumens, Li-ion battery, and 2-meter submersion capability.
4. Setup and Charging
The STANLEY SL3HS is powered by a rechargeable Lithium-ion battery. Before first use, it is recommended to fully charge the unit.
- Locate the charging port, typically covered by a rubber flap to ensure waterproofing.
- Open the flap and connect the provided charging cable to the spotlight and a suitable power source (e.g., USB wall adapter, car charger, or computer USB port).
- The charging indicator light will illuminate, typically red during charging and green when fully charged.
- A full charge may take several hours. Refer to the specifications for exact charging times.
- Once charging is complete, disconnect the cable and securely close the rubber flap over the charging port to maintain its waterproof integrity.
5. Operating Instructions
The STANLEY SL3HS features a simple trigger mechanism for controlling the light modes.

Figure 5.1: The STANLEY SL3HS HALO Spot LED Rechargeable light, showcasing its design and trigger.
- Power On/High Mode: Press the trigger once to activate the light in its high-power 600-lumen mode.
- Low/Energy Saving Mode: Press the trigger a second time to switch to the low-power, energy-saving mode. This mode extends battery life significantly (up to 14 hours).
- Power Off: Press the trigger a third time to turn the light off.
The spotlight is designed to be waterproof and submersible up to 2 meters, making it suitable for use in wet conditions or even underwater activities.

Figure 5.2: The STANLEY SL3HS HALO Spot LED Rechargeable light being used underwater, demonstrating its submersible capability.
6. Maintenance
To ensure the longevity and optimal performance of your STANLEY SL3HS spotlight, follow these maintenance guidelines:
- Cleaning: Wipe the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents. For underwater use, rinse with fresh water after each use to prevent salt or chlorine buildup.
- Battery Care: For best battery life, avoid fully discharging the battery frequently. Recharge the unit regularly, especially if it has been stored for an extended period. Store in a cool, dry place.
- Seals: Periodically inspect the rubber seals around the charging port and lens for any signs of wear or damage. Ensure they are clean and free of debris to maintain waterproofing.
7. Troubleshooting
If you encounter issues with your STANLEY SL3HS spotlight, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | Battery is discharged. | Charge the unit fully. |
| Light is dim. | Battery is low. | Recharge the unit. |
| Charging indicator not working. | Faulty charging cable or power source. | Try a different charging cable or power outlet. Ensure connections are secure. |
| Water inside the unit. | Charging port cover not sealed, or unit damaged. | Immediately turn off the unit. Do not attempt to charge or use. Contact customer support. |
8. Specifications
| Feature | Detail |
|---|---|
| Special Feature | Waterproof, Energy Saving |
| Color | Yellow |
| Power Source | Rechargeable |
| Light Source Type | LED |
| Material | Metal |
| White Brightness | 600 Lumens |
| Voltage | 12 Volts (DC) |
| Battery Composition | Lithium-ion |
| Number of Batteries | 1 Lithium-ion (included) |
| Runtime | Up to 14 hours (low mode) |
| Water Resistance | Submersible up to 2 meters |
9. Warranty and Support
Your STANLEY SL3HS HALO Spot LED Rechargeable light is covered by a limited warranty. Please refer to the warranty card included with your purchase for specific terms and conditions. For technical support, replacement parts, or warranty claims, please contact STANLEY customer service through their official website or the contact information provided in your product packaging.
For more information, visit the official STANLEY website: www.stanleytools.com