At OKELI, we are committed to providing high-quality lighting solutions for both indoor and outdoor applications. With over 24 years of OEM/ODM experience, we deliver efficient, reliable products tailored to your needs. Below are answers to common questions to help you better understand OKELI and our products.
Samples: Typically 10 working days. Bulk Orders: Approximately 35 working days after receiving the deposit and confirming all specifications.
What are your payment terms?
We accept payments in USD via T/T. The standard terms are: 30% deposit before production, 70% balance before shipment. For orders below $3000 USD, full payment (100%) is required via T/T.
How are your products priced?
Our quotations are typically based on EXW or FOB trade terms.
Do you provide OEM/ODM customization services?
Yes, we offer professional OEM/ODM customization services to meet specific requirements for product design, performance, and packaging.
What packaging options are available?
Standard packaging includes brown outer cartons and brown inner boxes. For orders of over 1000 units per model, we offer customization services, including:Laser-engraved logos on the lamp body. Custom-designed color boxes and cartons with your logo.
What is the minimum order quantity (MOQ)?
The minimum order quantity (MOQ) is 300 units per product.
What certifications do OKELI's products have?
Our products comply with international standards and hold certifications such as CE, CB, ROHS, BIS , and BIS, ensuring safety, quality, and reliability.
How can I become an OKELI distributor?
If you are interested in becoming our distributor, please contact our sales team through the inquiry form on the website or via email.
The Changjian 3rd Generation — The Evolution of Solar Street Lighting
The UT-60-060 series, known as the “Changjian 3rd Generation” solar street light, represents the latest evolution in OKELI‘s solar lighting technology. Available in 60W, 100W, 150W, and 200W configurations, these black ABS housing fixtures feature a distinctive slim design with a built-in 48mm internal diameter for standard mounting compatibility. The series incorporates advanced solar charging technology and high-capacity LiFePO4 batteries to deliver reliable off-grid illumination for residential streets, commercial parking lots, and public spaces.
Optimized Solar Energy System
The UT-60-060 series features carefully matched battery and solar panel combinations:
Model
Wattage
Battery
Solar Panel
Luminous Output
Lamp Body
UT-60-06002
60W
3.2V/6Ah
5V/8W
1000LM
192×342×72mm
UT-60-06003
100W
3.2V/10Ah
5V/12W
1800LM
216×454×72mm
UT-60-06004
150W
3.2V/15Ah
5V/18W
2800LM
243×525×72mm
UT-60-06005
200W
3.2V/20Ah
5V/24W
3600LM
258×636×72mm
With 4-6 hours of charging time and 10-12 hours of working time per full charge, these lights provide reliable overnight illumination. lights provide reliable overnight illumination. The LiFePO4 battery chemistry offers superior cycle life (2000+ cycles), thermal stability, and safety compared to traditional lithium-ion batteries.
Exceptional Optical Performance
Each unit is equipped with 2835 SMD LEDs delivering 6500K cool white light with luminous output ranging from 1000 to 3600 lumens. The RA80 color rendering ensures accurate color perception for security and visibility. The consistent lamp body design with 48mm internal diameter simplifies installation and inventory management.
Durable ABS Construction
The black ABS housing offers excellent impact resistance and UV stability, preventing yellowing and degradation over years of sun exposure. The IP65 waterproof rating ensures reliable performance in rain, snow, dust, and high-humidity environments.
Third-Generation Design Improvements
The “Changjian 3rd Generation” designation reflects several key improvements over previous generations:
Enhanced solar panel efficiency: Higher conversion rates for faster charging
Improved battery management: Better charge/discharge control for extended battery life
Optimized thermal management: Better heat dissipation for longer LED lifespan
Sleeker design: More modern appearance that complements any streetscape
Sustainable Off-Grid Lighting
By eliminating the need for grid electricity, the UT-60-060 series reduces operational costs and carbon footprint. The automatic dusk-to-dawn operation ensures hands-free performance, while the 2-year warranty provides peace of mind.
Applications
The UT-60-060 series is ideal for residential streets, commercial parking lots, agricultural facilities, security and perimeter lighting, and public parks and recreational areas.
