High-Efficacy All-in-One Solar Street Light (DD & ZD Series)
Key Highlights
High Luminous Efficacy: Delivers up to 180–190 LM/W (ZD Series), maximizing bright ground coverage while conserving battery power.
Smart MPPT & Optical Control: Equipped with advanced tracking controllers to optimize charging efficiency by up to 30% compared to standard PWM, paired with precise dusk-to-dawn automatic switching.
Extended Autonomy: Engineered to withstand harsh weather, offering 2 to 4 days of continuous backup lighting during rainy or overcast seasons.
Durable, Clean Aesthetics: Built with a clean, streamlined galvanized chassis designed to blend perfectly into modern European and American urban/suburban streetscapes.
Technical Specifications
DD Series – Cost-Effective & Versatile
| Parameter | KT-YTDD-30W | KT-YTDD-50W |
| Rated Power | 30W | 50W |
| Solar Panel | 6V / 38W | 18V / 50W |
| Battery Capacity | 3.2V 32AH | 3.2V 64AH |
| LED Configuration | 80 PCS | 100 PCS |
| Dimensions | 650 × 330 mm | 885 × 400 mm |
| Housing Material | Heavy-duty Galvanized Iron | Heavy-duty Galvanized Iron |
| Control Mode | Optical/Dusk-to-Dawn Control | Optical/Dusk-to-Dawn Control |
| Backup Days (Rainy) | 2–3 Days | 2–3 Days |
| Lighting Duration | 8–12 Hours / Night | 8–12 Hours / Night |
| Rec. Mounting Height | 3–5 meters | 6–8 meters |
ZD Series – High-Performance & Project-Grade
| Parameter | KT-YTZD-60W | KT-YTZD-80W |
| Rated Power | 60W | 80W |
| Solar Panel | 5V / 65W | 5V / 85W |
| Battery Type | Lithium 3.2V 40AH | Lithium 3.2V 80AH |
| LED Configuration | 5050 Series, 72 PCS | 5050 Series, 108 PCS |
| System Efficacy | 180–190 LM/W | 180–190 LM/W |
| Luminous Flux | 3,000 – 4,200 LM | 3,000 – 4,200 LM |
| Controller Type | Smart MPPT Controller | Smart MPPT Controller |
| Beam Angle | 75° × 140° (Wide Street Optics) | 75° × 140° (Wide Street Optics) |
| Backup Days (Rainy) | 3–4 Days | 3–4 Days |
| Rec. Mounting Height | 6–7 meters | 7–8 meters |
Solar Panel: Premium mono/polycrystalline PV module with optimized surface texturing for maximum solar energy capture even on low-sunlight days.
LED Light Source: High-density LED arrays equipped with customized optical lenses, providing a wide 75° × 140° light distribution to eliminate dark spots on roadways.
Connecting Socket: Heavy-duty, reinforced mounting socket ensuring effortless pole integration and superior wind resistance.
