1. Introduction
Thank you for choosing the T-SUN Solar Pond Lights. This product is designed to provide efficient and colorful illumination for your outdoor water features and landscapes. Utilizing solar power, these lights offer an eco-friendly and cost-effective lighting solution. This manual provides essential information for the safe and effective installation, operation, and maintenance of your new solar pond lights.
2. Safety Information
Please read all safety instructions carefully before installation and use. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Ensure the solar panel is placed in an area that receives direct sunlight for at least 6-8 hours daily for optimal charging.
- Do not attempt to open or modify the solar panel or light units. This may damage the product and void the warranty.
- Keep the solar panel and light units away from open flames or extreme heat sources.
- Do not immerse the solar panel in water. Only the light units are designed for submersion.
- Handle the product with care to avoid damage to the wiring or components.
- Keep out of reach of children and pets.
3. Package Contents
Verify that all components are present before proceeding with installation:
- 1x Solar Panel with Ground Stake
- 3x RGB LED Pond Lights (connected)
- Mounting Screws and Wall Plugs (for optional wall mounting)
- 1x User Manual (this document)

Figure 1: Overview of T-SUN Solar Pond Lights components, including the solar panel and three RGB light units.
4. Product Features
- Eco-Friendly & Energy Saving: High-efficiency solar panel (17% conversion rate) charges during the day and powers lights at night.
- RGB Color Changing: Features red, green, blue, and dynamic RGB transitions.
- Adjustable Design: 90-degree adjustable light heads and 180-degree adjustable solar panel for optimal positioning and sunlight absorption.
- Durable & Waterproof: IP68 waterproof rating and corrosion-resistant ABS material for outdoor use in various weather conditions.
- Easy Installation: No wiring required. Can be installed with ground stakes or wall-mounted with screws.
- Versatile Application: Suitable for ponds, pools, gardens, fish tanks, fountains, and waterfalls.
5. Setup and Installation
Follow these steps for proper setup and installation:
- Assemble the Solar Panel:
- Attach the ground stake to the solar panel unit. Ensure it is securely fastened.
- Adjust the angle of the solar panel to face direct sunlight. The panel is 180-degree adjustable.

Figure 2: Illustration of the adjustable solar panel and light units, highlighting 90-degree light adjustment and 180-degree solar panel adjustment.
- Position the Solar Panel:
- Choose a location for the solar panel that receives maximum direct sunlight throughout the day. Avoid shaded areas.
- Insert the ground stake firmly into the soil. Alternatively, use the provided screws to wall-mount the solar panel.

Figure 3: Two installation options for the solar panel: using a ground stake for garden placement or wall-mounting with screws.
- Connect the Lights:
- Connect the cable from the solar panel to the first light unit. Ensure the waterproof connection is tight.
- The three light units are pre-connected in series.
- Place the Light Units:
- Submerge the light units in your pond, pool, or other water feature. The lights are IP68 waterproof.
- Adjust the angle of each light unit (90-degree adjustable) to achieve the desired lighting effect.
- The lights can also be placed on land to illuminate garden paths or features.

Figure 4: Examples of versatile application for the T-SUN Solar Pond Lights in various water features and landscapes.
6. Operating Instructions
The T-SUN Solar Pond Lights feature automatic operation and manual color selection:
- Initial Activation:
- Locate the ON/OFF button on the back of the solar panel unit.
- Press and hold the button for 3-5 seconds to turn the lights ON. They will automatically enter the color-changing mode.
- Automatic Operation:
- Once activated, the lights will automatically turn on at dusk and turn off at dawn.
- The solar panel will charge the internal battery during daylight hours.

Figure 5: The solar lights automatically charge during the day and illuminate at night.
- Manual Color Selection:
- While the lights are ON, short press the ON/OFF button to cycle through available colors (Red, Green, Blue, and dynamic RGB transitions).
- Press the button repeatedly until your desired color is fixed.

Figure 6: The solar panel's button allows for long press to turn on auto-changing mode and short press to fix a specific color.
Demonstration Video: T-SUN Solar Pond Lights
Video 1: An official T-SUN video demonstrating the features and operation of the solar pond lights, including color changes and installation examples.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your T-SUN Solar Pond Lights:
- Clean Solar Panel: Periodically wipe the solar panel with a soft, damp cloth to remove dirt, dust, or debris. A clean panel ensures efficient charging.
- Clean Light Units: If submerged, occasionally remove the light units and gently clean any algae or mineral buildup from the lenses to maintain light output.
- Battery Care: The lights use a built-in Lithium Ion battery. Ensure the solar panel receives adequate sunlight to keep the battery charged. In prolonged periods of low sunlight, performance may be reduced.
- Winter Storage: In areas with harsh winters, it is recommended to bring the solar panel and light units indoors to prevent damage from freezing temperatures.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lights do not turn on at night. | Solar panel not receiving enough sunlight. ON/OFF button not activated. Battery charge is low. | Relocate solar panel to an area with direct sunlight. Press and hold the ON/OFF button for 3-5 seconds to activate. Allow 1-2 sunny days for the battery to fully charge. |
| Lights are dim or only stay on for a short time. | Insufficient solar charging. Dirty solar panel. Old battery (after several years). | Ensure solar panel is in direct sunlight. Clean the solar panel surface. Battery is not user-replaceable. Contact customer support if product is under warranty. |
| Lights are not changing colors. | Fixed color mode selected. | Short press the ON/OFF button to cycle back to dynamic color-changing mode. |
| Water ingress in light unit. | Damage to the light unit or seal. | The lights are IP68 rated. If water ingress occurs, discontinue use and contact customer support. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | T-SUN |
| Model Number | SF20250919B085VPHCLN |
| Light Type | LED (6pcs F5 LED per light) |
| Light Color | RGB (Red, Green, Blue, Color Changing) |
| Power Source | Solar Powered |
| Material | Acrylonitrile Butadiene Styrene |
| Water Resistance Level | IP68 Waterproof |
| Solar Panel Efficiency | 17% |
| Voltage | 6 Volts |
| Wattage | 3 Watts |
| Brightness | 800 Lumens |
| Battery | 1 Lithium Ion battery (included) |
| Product Dimensions | 8.2"L x 3"W x 7"H |
| Item Weight | 1.81 pounds (0.82 Kilograms) |
10. Warranty and Support
For warranty information or technical support, please contact T-SUN customer service through your retailer or the official T-SUN website. Please have your model number (SF20250919B085VPHCLN) and purchase date available when contacting support.