Tailored with high-lumen CREE LED chips, anti-corrosion coating, and intelligent MPPT controllers.
Sylhet, the economic powerhouse of northeastern Bangladesh, is experiencing unprecedented infrastructure expansion. From the widening of the Sylhet-Tamabil Highway (N2) to the rapid commercialization around Osmani International Airport, modernizing municipal and commercial outdoor lighting has become an urgent engineering priority. However, Sylhet presents a uniquely demanding environmental landscape for off-grid lighting solutions.
Characterized by Bangladesh's highest annual rainfall (exceeding 4,000 mm during monsoon season), elevated relative humidity levels (averaging 80%+), and frequent severe cyclonic winds, standard off-grid street lighting fixtures often suffer from internal moisture ingress, premature battery degradation, and optical yellowing. Furthermore, the regional power grid across Sylhet Division faces localized load shedding, creating an absolute imperative for 100% self-sustained, grid-independent LED street lighting.
As a premier OEM/ODM manufacturer, Danyang Penelope Light Co., Ltd. delivers custom-engineered All-in-One Integrated LED Solar Street Lamps explicitly formulated to withstand Sylhet’s subtropical monsoon climate while drastically reducing Total Cost of Ownership (TCO) for EPC contractors, municipal tenders, and commercial enterprises.
Why Integrated (All-in-One) Architecture Outperforms Traditional Split Systems in Sylhet
Utilizing high-efficiency A-grade monocrystalline solar cells with dynamic low-light charging capabilities. Provides up to 23% energy conversion rate even under Sylhet's overcast monsoon skies.
Integrated deep-cycle Lithium Iron Phosphate batteries engineered with built-in thermal management. Supports over 6,000 life cycles with operational tolerance up to 65°C ambient temperature.
99.5% tracking efficiency algorithm dynamically adjusts power allocation, dimming schedules, radar microwave sensing, and IoT cloud reporting to maximize night operations.
Specialized Type II and Type III optical grade PMMA lenses delivering uniform, anti-glare light distribution designed to eliminate shadows along highway corridors and urban roadways.
Heavy-duty structural integrity treated with electrostatic fluorocarbon powder coating to deliver complete anti-corrosion, rust resistance, and wind resilience up to 160 km/h.
Optional multi-functional modules incorporating 4G/WiFi security surveillance cameras, remote monitoring, and automated motion sensing for elevated municipal security.
How our All-in-One solutions lower CapEx and OpEx for engineering projects across Bangladesh.
| Specification Parameter | Danyang Penelope All-in-One Solar | Traditional Split Solar Lights | Conventional Grid-Tied AC Lights |
|---|---|---|---|
| Installation Complexity | Plug & Play (10 mins per pole, no cabling) | High (Requires external battery box & wiring) | Very High (Trenching, cabling, transformer links) |
| Monsoon Moisture Resistance | Hermetically sealed IP67/IP68 luminaire chamber | Vulnerable exposed battery pits subject to flooding | Junction boxes prone to water ingress shorts |
| Maintenance & Service Life | Zero maintenance; 8-10 year battery design life | High; lead-acid batteries fail every 2-3 years | High; ongoing electricity bills & ballast repairs |
| Grid Reliability Impact | 100% immune to Sylhet grid outages | Immune to grid, but susceptible to system wiring fault | Total blackouts during grid load shedding |
| Vandalism & Theft Protection | High pole-top security; no accessible cables | High risk of underground/lower battery theft | Copper cabling vulnerable to theft |
| 5-Year TCO Reduction | 65% Savings | 20% Savings | Baseline Cost (High Energy Costs) |
Danyang Penelope Light Co., Ltd. is a leading high-tech lighting enterprise. Founded in 2003, our company has developed over 20 years into a modern, innovative manufacturer of high-quality lighting solutions with a strong reputation in both domestic and international markets.
Our factory is equipped with advanced large-scale automated equipment, including CNC bending machines, high-speed longitudinal shear machines, automatic submerged arc welding systems, gas welding stations, electrostatic powder coating facilities, specialized fluorocarbon paint spraying rooms, and precision laser cutting machines. This comprehensive infrastructure enables us to maintain high efficiency, consistent quality, and rapid production cycles.
We operate seven dedicated production lines, covering all aspects of lighting manufacturing:
Danyang Penelope Light Co., Ltd. is recognized as a national high-tech enterprise with first-class urban road lighting installation qualifications and second-class lighting design qualifications. The company has been honored as a “Contract-Abiding and Trustworthy Enterprise” and maintains a continuous “AAA” credit rating. We have successfully passed ISO9001:2000 quality management system and ISO14001 environmental management system certifications, as well as national CCC and CQC product certifications, National Lamp Test Reports, and EU CE safety certifications, reflecting our commitment to excellence and international standards.
We firmly adhere to the principles of sustainable development, guided by innovative design, centered on high-quality products, and grounded in reliable craftsmanship. Our professional R&D team focuses on avant-garde product development, ensuring our design, innovation, and manufacturing capabilities are consistently at the forefront of the global lighting industry. With continuous investment in new technology, we are able to provide intelligent, energy-efficient, and environmentally friendly lighting solutions that meet the evolving demands of urban infrastructure and modern architectural projects.
Our diverse product range includes solar street lights, LED street lights, high-mast lights, lighting poles, and complete solar power systems. With a commitment to excellence, reliability, and innovation, our products are exported to numerous countries worldwide, supporting urban and rural lighting projects, commercial and public spaces, landscapes, and infrastructure projects. At Danyang Penelope Light Co., Ltd., we strive to illuminate the world with sustainable, high-quality, and technologically advanced lighting solutions, contributing to smarter, greener, and safer cities for the future.
Customized configurations optimized for diverse topographical and commercial sectors in Sylhet Division.
Smart dimming integrated street lights ideal for Zindabazar, Chouhatta, and Amberkhana urban corridors, offering reliable illumination without adding load to the city electricity grid.
Robust 40W to 100W integrated lights suited for private internal roads of Malnicherra, Sreemangal, and surrounding eco-resorts, resisting humid forest environments.
High-lumen 300W-800W CCTV-equipped integrated solar luminaires supplying continuous high-lux lighting for perimeter security and multi-lane expressways.
Heavy-duty IP67 lights providing 24/7 security lighting for factories, logistics yards, and warehouses in Sylhet Special Economic Zone.
Aesthetic, motion-sensor lighting solutions for university campuses, public parks, and pedestrian walkways throughout Shahjalal Vigyan O Projukti Bishwabiddyalaya.
Cost-effective off-grid lighting ideal for remote village access roads across Sunamganj, Moulvibazar, and Habiganj districts.
Explore our versatile range of specifications, power capacities, and functional smart controls.
End-to-end B2B services, custom tender documentation, and expedited maritime shipping.
We assist importers and contractors in Sylhet with comprehensive BSTI compliance testing reports, photometric IES files, and customized BOQ tender proposals.
Streamlined ocean freight routes from Shanghai/Ningbo ports directly to Chittagong Port (CTG) or inland container depots serving Sylhet Division.
Every integrated solar street light is backed by a robust factory warranty, complete with SKD component replacement kits for municipal projects.
Consult directly with our senior lighting engineers to receive custom photometrics, pricing catalogs, and OEM solutions.
Send Inquiry NowAddressing key technical inquiries from Bangladeshi importers, contractors, and municipal buyers.
Penelope Light