Lakumu GLS20C3CCTW-G40-50
Lakumu 100FT G40 Solar String Lights Instruction Manual
Brand: Lakumu | Model: GLS20C3CCTW-G40-50
1. Introducció
Thank you for choosing Lakumu 100FT G40 Solar String Lights. These outdoor string lights are designed to provide warm, ambient lighting for various outdoor spaces such as patios, gardens, backyards, and pergolas. Featuring solar power and USB charging capabilities, they offer an energy-efficient and convenient lighting solution. The G40 bulbs are shatterproof and weather-resistant, ensuring durability and safety in diverse conditions.

Imatge: Més deview of the Lakumu 100FT G40 Solar String Lights, including the solar panel and packaging.
2. Què hi ha a la caixa
Please ensure all components are present before installation:
- 100FT G40 Solar String Lights (with 50 E12 sockets and 52 LED bulbs)
- 1 x Solar Panel with ground stake
- 2 x Spare G40 LED Bulbs
- Mounting accessories (clips, screws, wall anchors)
- 1 x cable de càrrega USB
- 2 x 9V Batteries (pre-installed in solar panel)
3. Característiques clau
- Solar Powered & USB Charging: Equipped with high-efficiency solar panels, these lights convert sunlight into electrical energy during the day, providing approximately 10 hours of illumination at night after 6-8 hours of sun exposure. A USB charging port is included for reliable operation on cloudy days or when solar charging is insufficient.
- Commercial-Grade Waterproof Design & Shatterproof Globe Lights: Constructed with advanced water-resistant materials, the string lights are designed to withstand extreme weather conditions, including heavy rain and snowstorms. The G40 bulbs are shatterproof and durable, ensuring safety and longevity.
- 4 Lighting Modes & Automatic Operation: Choose from four distinct lighting modes to create various ambient effects. The lights feature a dusk-to-dawn photocell sensor, automatically turning on at dusk and off at sunrise, eliminating the need for manual control.
- 100FT Length & 52 2700K LED Bulbs: The 100-foot string includes 50 E12 sockets with 52 warm white (2700K) LED bulbs, providing ample coverage and a pleasant glow. Two spare bulbs are included for convenience.
- Easy Installation & Wide Applications: Simple assembly involves screwing in bulbs and positioning the solar panel. These lights are ideal for decorating fences, gardens, patios, porches, pathways, backyards, and for special occasions like parties, weddings, and holidays.

Image: The string lights illuminating a backyard at dusk, highlighting their shatterproof design and automatic dusk-to-dawn functionality.
4. Instruccions de configuració
- Desempaquetar components: Carefully remove all items from the packaging. Inspect bulbs and wiring for any damage.
- Assemble Bulbs: Gently screw each G40 LED bulb into its respective E12 socket on the string. Ensure they are finger-tight to prevent moisture entry.
- Col·locació del panell solar: Choose a location for the solar panel that receives direct sunlight for 6-8 hours daily. Avoid shaded areas. The panel can be mounted using the ground stake or attached to a surface with screws. The 180° adjustable panel allows for optimal sun exposure.
- Connecteu el panell solar: Plug the string light connector into the solar panel unit.
- Càrrec inicial: For best performance, allow the solar panel to charge for a full 6-8 hours in direct sunlight before first use. Alternatively, use the provided USB cable to charge the unit. A red light indicates charging, and a blue light indicates a full charge.
- Muntatge dels llums: Use the integrated clips on each socket or the provided mounting accessories (clips, screws, wall anchors) to hang the string lights along your desired path, such as a fence, pergola, or patio edge.

Image: The solar panel with its 180-degree adjustable feature, allowing for optimal positioning to capture sunlight.

Image: A close-up of a G40 bulb being attached to a fence using a clip, demonstrating the ease of installation.
Vídeo: Un overview of the G40 Solar String Lights, demonstrating their features and potential applications in various outdoor settings.
5. Instruccions de funcionament
- Encès/apagat: Locate the 'ON/OFF' button on the back of the solar panel unit. Press it to turn the lights on or off. For automatic operation, ensure the power button is in the 'ON' position.
- Automatic Dusk-to-Dawn: When the power is 'ON', the built-in photocell sensor will automatically detect ambient light levels. The lights will illuminate at dusk and turn off at dawn, conserving energy.
- Canvi de modes d'il·luminació: The solar panel unit also features a 'MODE' button. Press this button to cycle through the 4 available lighting modes (e.g., steady on, slow fade, twinkle, etc.) to suit your preference.
- Càrrega USB: If solar charging is insufficient due to prolonged cloudy weather or specific placement, connect the provided USB cable to the solar panel's charging port and a standard USB power adapter (not included) for manual charging. The indicator light will show red during charging and blue when fully charged.

Image: The string lights glowing warmly at dusk, illustrating their automatic activation and the availability of multiple lighting modes.
6. Manteniment
- Neteja del panell solar: Netegeu regularment el panell solar amb un drap suau iamp drap per eliminar la pols, la brutícia o les restes. Un panell net garanteix la màxima eficiència de càrrega.
- Substitució de bombetes: If a bulb stops working, carefully unscrew it from its socket. Replace it with one of the provided spare G40 LED bulbs. Ensure the new bulb is securely screwed in to maintain weather resistance.
- Cura de la bateria: The included 9V batteries are designed for long life. If the lights' performance significantly degrades over time, consider replacing the batteries in the solar panel unit.
- Emmagatzematge estacional: If storing the lights for an extended period, ensure the solar panel is fully charged. Store the lights and solar panel in a cool, dry place away from direct sunlight.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Els llums no s'encenen a la nit. | Solar panel not sufficiently charged. | Ensure solar panel is placed in direct sunlight for 6-8 hours. Use USB charging if sunlight is limited. |
| Els llums són tènues o només romanen encesos durant poc temps. | Insufficient solar charging or dirty solar panel. | Clean the solar panel surface. Reposition the panel for maximum sun exposure. Charge via USB if needed. |
| Les bombetes individuals no s'encenen. | Faulty or loose bulb. | Check if the bulb is screwed in tightly. Replace the faulty bulb with a spare. |
| Els llums s'apaguen massa aviat. | Bateria no completament carregada o bateria envellida. | Ensure full charge. Consider replacing the 9V batteries in the solar panel unit if performance does not improve. |
8. Especificacions
- Marca: Lakumu
- Número de model: GLS20C3CCTW-G40-50
- Longitud: 100 peus
- Tipus de bombeta: LED G40
- Nombre de bombetes: 52 (50 + 2 de recanvi)
- Tipus de sòcol: E12
- Color clar: Blanc càlid
- Temperatura de color: 2700 Kelvin
- Font d'alimentació: Alimentació solar, càrrega USB
- Voltage: 5 Volts
- Wattage: 5 watts
- Característiques especials: Waterproof, Shatterproof, 4 Lighting Modes, Dusk-to-Dawn Sensor
- Material: Plàstic
- Bateries: 2 piles de 9V (incloses)
- Ús interior/exterior: A l'aire lliure

Image: A graphic detailing key specifications such as length, number of sockets, wattage, color temperature, and power options.
9. Garantia i Suport
For any product inquiries, technical support, or warranty claims, please contact Lakumu customer service through the retailer's platform or visit the official Lakumu store. Please retain your purchase receipt for warranty purposes.
Lakumu Store: https://www.amazon.com/stores/Lakumu/page/AB19BBF9-6A29-4054-AB78-27FF2C8B5AC6
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