1. Introduction
Thank you for choosing SANJICHA Solar String Lights. This product provides an energy-efficient and versatile lighting solution for outdoor decoration. Featuring 400 warm white LED bulbs spread across 144 feet of copper wire, these lights are powered by solar energy, offering automatic illumination at dusk and multiple lighting modes. This manual provides essential information for safe and effective use.
2. Safety Information
- Ensure the solar panel is placed in an area that receives direct sunlight for at least 6-8 hours daily to ensure optimal charging.
- Do not submerge the solar panel unit in water. While the string lights are IP65 waterproof, the main control unit should be protected from excessive moisture.
- Keep the product away from open flames or extreme heat sources.
- Do not attempt to modify or disassemble the product. This may void the warranty and pose safety risks.
- Handle the copper wire carefully to avoid tangling or damage to the LED bulbs.
3. Package Contents
- 2 x 72ft (200 LED) Solar String Lights (Warm White)
- 2 x Solar Panels with Ground Stakes
- 1 x User Manual
4. Product Structure
The SANJICHA Solar String Lights consist of a solar panel unit connected to a string of LED lights. The solar panel unit features an ON/OFF switch and a MODE switch for controlling the light functions. A ground stake is provided for easy installation of the solar panel.

Figure 1: Product Structure Diagram. This image illustrates the various parts of the solar string light system, including the solar panel with its control buttons (Mode Switch, ON/OFF Switch), the adjustable flexing plate, the connector for the ground stake, the pointed ground stake itself, the copper wire with 200 LED lights, and details about the included 1800mAh Ni-MH AA battery.
5. Setup Instructions
- Assemble the Solar Panel: Attach the ground stake to the solar panel unit. Ensure it is securely connected.
- Position the Solar Panel: Choose a location for the solar panel that receives maximum direct sunlight throughout the day (at least 6-8 hours). Avoid shaded areas. The panel should be angled towards the sun for optimal charging.
- Unwind the String Lights: Carefully unroll the copper wire string lights from their spool. The flexible copper wire allows for easy shaping and wrapping around trees, bushes, fences, or other desired objects.
- Activate the Lights: Locate the ON/OFF switch on the back of the solar panel unit. Press the switch to the "ON" position.
- Test Functionality: To test if the lights are working during the day, cover the solar panel completely. The lights should illuminate if the unit is charged and the switch is in the "ON" position. If they do not light up, ensure the switch is on and allow the panel to charge for a full day.


Figure 2: Testing the Solar Panel. The left image shows covering the solar panel to simulate night, while the right image highlights the ON/OFF and Mode buttons on the back of the solar panel unit.
6. Operating Instructions
Once installed and charged, your SANJICHA Solar String Lights will operate automatically.
- Automatic On/Off: The built-in light sensor will automatically turn the lights on at dusk and off at dawn, provided the ON/OFF switch is in the "ON" position.
- Changing Lighting Modes: Press the "MODE" button on the back of the solar panel unit to cycle through the 8 available lighting modes:
- Combination
- Waves
- Sequential
- Slo-glo
- Chasing/Flash
- Slow Fade
- Twinkle/Flash
- Steady-on
- Memory Function: The lights feature a memory chip that will remember your last selected lighting mode, so you do not need to reset it each time the lights turn on.

Figure 3: Various Lighting Modes. This image displays different outdoor scenes showcasing the versatility of the 8 lighting modes, from steady glow to twinkling effects.
7. Maintenance
- Cleaning: Periodically wipe the solar panel with a soft, damp cloth to remove dust, dirt, or debris that may reduce charging efficiency.
- Battery: The product uses 1 AA Ni-MH 1800mAh rechargeable battery. If the lights' performance diminishes significantly over time, the battery may need replacement. Use only rechargeable AA Ni-MH batteries of the same specification.
- Waterproof Rating: The string lights are IP65 waterproof, making them suitable for outdoor use in various weather conditions. However, ensure the solar panel unit is not submerged.
- Storage: If storing the lights for an extended period, ensure the battery is fully charged, then turn the ON/OFF switch to "OFF". Store in a cool, dry place.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lights do not turn on at night. | ON/OFF switch is in "OFF" position. | Ensure the ON/OFF switch is set to "ON". |
| Insufficient sunlight for charging. | Relocate the solar panel to an area with direct sunlight for 6-8 hours daily. Clean the solar panel surface. | |
| Lights are dim or only stay on for a short time. | Insufficient charging or aging battery. | Ensure the solar panel receives full sunlight. Consider replacing the AA Ni-MH battery if it's old. |
| Lights flicker unexpectedly. | Mode setting or low battery. | Press the MODE button to select a steady-on mode. Ensure the battery is fully charged. |
9. Specifications
- Brand: SANJICHA
- Model Number: SSLCW
- Color: Warm White
- Total Length: 144 Feet (2 x 72 Feet)
- Number of LEDs: 400 (2 x 200 LEDs)
- Light Source Type: LED
- Power Source: Solar Powered
- Battery: 1 AA Ni-MH 1800mAh (included)
- Waterproof Rating: IP65
- Lighting Modes: 8 (Combination, Waves, Sequential, Slo-glo, Chasing/Flash, Slow Fade, Twinkle/Flash, Steady-on)
- Material: Copper
- Item Weight: 14.4 Ounces
- UPC: 631112705868
10. Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact SANJICHA customer service through the retailer where the product was purchased. Keep your purchase receipt for warranty claims.