21W 18V 480mm Diameter Round Glass Solar Panel for Traffic Lighting and Road Signs
P/N: FLG-2118
21 Watt 18 Volt round solar panel
OD400mm ID20mm
Tempered glass, waterproof, long lifespan
Ideal for traffic lighting and road signage.
This 21W 18V round glass solar panel features a 480mm diameter circular structure and tempered glass construction, specially developed for traffic lighting, road signs and solar street light systems.
With waterproof design and high-efficiency monocrystalline cells, it ensures stable performance, long service life and reliable power supply for outdoor road facilities.
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We provide OEM & ODM services for round and special-shape lighting solar panels. Custom options include diameter, voltage, power, cable length, connectors and structure for traffic lights, road signs and street light projects.
Q: Is this panel suitable for traffic lighting and road signs?
A: Yes, it is specially designed for traffic lighting, road signage, solar street lights and outdoor road facilities.
Q: Is this panel waterproof for long-term outdoor use?
A: Yes, it uses a sealed waterproof structure suitable for all-weather outdoor environments.
Q: Can we customize diameter, voltage and power?
A: Yes, we support custom size, voltage, power, inner hole and appearance for OEM orders.
Q: Do you offer free design and prototype service?
A: We provide free design consultation and drawings; prototype samples can be prepared in 10–15 working days.
Q: Can you pre-wire cables and connectors?
A: Yes, custom wires and connectors can be soldered for ready-to-install, plug-and-play use.
Q: How is the low-light and shade performance?
A: Crystalline glass modules generate power under diffuse light, but output will decrease in low-light or heavily shaded conditions.
Q: What is the minimum order quantity (MOQ)?
A: Standard MOQ is 500–1000 pcs; small trial orders are acceptable for existing models.
Q: How long is the lead time for mass production?
A: Standard lead time is 15–25 working days after sample approval and deposit payment.
Q: Can you provide samples before bulk orders?
A: Yes, samples are available with sample fee.
Q: What certifications do you provide?
A: All panels come with CE, RoHS and performance test reports to meet international market standards.
Q: How long is the warranty period?
A: This panel includes a 5-year product warranty for long-term outdoor road and lighting use.
Contact us at info@forleaves.com for custom round glass solar panel solutions.
For Leaves Limited is a custom solar panel manufacturer specializing in solar solutions for IoT devices, smart lighting, vehicle applications, BIPV systems, and off-grid energy projects. We provide small, flexible, glass, and irregular-shape solar panels with OEM/ODM support.
Tags:Custom Solar Panel, Glass Solar Panel, Ring Solar Panel, Irregular Shape Solar Panel, Flexible Solar Panel, Solar Panel for IoT, Smart Lighting Solar Panel, Vehicle Solar Panel, BIPV Module, LiFePO4 Battery
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