Introduction
Thank you for choosing T-SUN Solar Post Cap Lights. These lights are designed to provide energy-efficient, cool white LED lighting for your outdoor spaces, including decks, patios, gardens, and fences. Featuring automatic dusk-to-dawn operation and durable, weather-resistant construction, they offer a convenient and eco-friendly lighting solution.
What's in the Box
- 2 x Solar Post Cap Lights
- Instruction Manual
- Mounting Hardware (Screws and sleeves)
- Shade
Setup
- Initial Charge: Before first use, ensure the solar panel is exposed to direct sunlight for 6-8 hours to allow the internal battery to fully charge. The lights are designed to automatically turn on at dusk and off at dawn.
- Activate the Light: Locate the waterproof switch button, typically on the underside or side of the light base. Press the button to turn the light ON.
- Installation on 4x4 Wooden Posts:

Image: Installation diagram for T-SUN Solar Post Cap Lights.
For standard 4x4 wooden posts, the light base is designed to fit directly over the post. Use the provided screws to secure the base to the top of the post.
- Installation on Larger Posts or Other Surfaces:
If your posts are larger than 4x4 inches, or if you are mounting on a flat surface like a deck railing, use the included mounting bracket. Attach the bracket to the desired surface using the provided screws and sleeves. Then, secure the solar post cap light to the bracket.
Image: A T-SUN solar post cap light installed on a wooden post, highlighting its high-power rechargeable battery and eco-friendly features.
Video: T-SUN Solar Post Cap Lights Installation Overview
Video Description: This video demonstrates the features and installation process of the T-SUN Solar Post Cap Lights, including the waterproof switch and adjustable mounting options.
Operating Instructions
- Automatic Operation: Once activated and sufficiently charged, the lights will automatically illuminate at dusk and turn off at dawn.
- Charging: The integrated poly-silicon solar panel requires 6-8 hours of direct sunlight for a full charge.
- Illumination Time: A full charge provides 8-12 hours of continuous lighting at night.

Image: T-SUN Solar Post Cap Lights charging during the day and illuminating at night.
- Light Output: Each light provides 80-100 lumens of 6000K cool white LED lighting.
Maintenance
- Cleaning: Regularly wipe the solar panel with a soft, damp cloth to remove dust, dirt, or debris. A clean solar panel ensures optimal charging efficiency.
- Battery: The lights include a rechargeable Lithium Ion battery. While designed for longevity, if the light duration significantly decreases over time, the battery may need replacement. Consult T-SUN customer support for battery replacement options.
- Weather Resistance: These lights are IP65 waterproof, heat-resistant, and frost-resistant, designed to withstand various outdoor weather conditions. No special winterization is typically required.

Image: T-SUN Solar Post Cap Light demonstrating IP65 waterproof, heat-resistant, and frost-resistant features.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on at night. | 1. Switch is OFF. 2. Insufficient sunlight for charging. 3. Solar panel is dirty. 4. Battery is depleted or faulty. | 1. Ensure the switch is in the ON position. 2. Relocate the light to an area with direct sunlight for 6-8 hours daily. 3. Clean the solar panel. 4. Allow several days for charging. If problem persists, contact support. |
| Light is dim or only stays on for a short period. | 1. Insufficient charging. 2. Solar panel is dirty. 3. Battery capacity reduced. | 1. Ensure the light receives full, direct sunlight for 6-8 hours. 2. Clean the solar panel. 3. Battery may be nearing end of life. Contact support for options. |
| Water inside the light. | Seal compromised. | While designed to be waterproof, extreme conditions or damage can occur. If water ingress is observed, discontinue use and contact support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | T-SUN |
| Model Number | TS-GL0403-60X2 |
| Color | Black |
| Material | Plastic, Polycarbonate |
| Product Dimensions | 6.02"L x 6.02"W x 3.82"H |
| Power Source | Solar Powered |
| Light Source Type | LED |
| Light Color | Cool White (6000K) |
| Brightness | 80-100 Lumens |
| Water Resistance Level | IP65 Waterproof |
| Battery | 1 Lithium Ion battery (included) |
| Control Method | Push Button (Switch) |
| Installation Type | Direct Mount/Mounting Bracket |
Image: Exploded view diagram of the T-SUN solar post cap light, showing its components: poly-silicon solar panel, bright SMD LED beads, and high-quality lampshade.

Warranty and Support
T-SUN products are manufactured with quality and durability in mind. For specific warranty information, please refer to the product packaging or contact T-SUN customer service directly. If you encounter any issues or have questions regarding your solar post cap lights, please visit the official T-SUN store or contact their support team.
T-SUN Store: Visit the T-SUN Store on Amazon