Yangzhou, Jiangsu, China
Member Since: 2019
Business Type: Manufacturer/Factory
Factory price dc 4m 20w 30w 40w 50w 60w solar street light led lamp system with pole mpetitive price and full set include lighting pole and foundation kits led solar street light
Solar Street Light
The Solar street light, solar panels generate DC POWER, it passes through the controller to change the battery, when the night comes the controller detects no current coming from the panels then it gives an order, to the LED lamp to turn ON, and the lamp will turn OFF again once the controller detects power current coming from the panel again on the next day.
In case of a non-sun rainy day while no current coming out of the panel for the whole day, the controller was pre-set to turn ON the lamp for a certain amount of hours using the backup capacity of the battery which could be determined upon customer request.
Q1. Can I have a sample order for solar products?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
A:Sample needs 3-5 days, mass production needs 1-2 weeks for order quantity more than one container
Q3: Are you a factory or a trading company?
A: We are the factory with high production capacity and product range of solar products in China.
Q4:Q:How to choose the system Voltage 12V /24V ?
A: Usually 12V system for 15W-40W LED lamp , 24V system for 50-150W LED lamp .
Q5: How do you ship the goods and how long does it take to arrive?
A: Sample shipped by DHL, UPS, FedEx ,TNT etc.
Q6: What is your Warranty Policy?
A: We offer 3 to 5 years warranty for the entire system and replace with new ones for free
Q7. How many cycles full charge&discharge about your battery?
A: In 50% discharging deepness, it can be cycled for 1,200 times; in floating charging and discharging status, it can be cycled for 5000~6000 times.
Q8. What's the main difference between mono and polycrystalline solar panel?
A: production process and cost. Polysilicon technology is more mature since it is an early technology compared with Monosilicon.
Q9. The controller of your solar street light has dual time control function?
A: our solar charge controller is designed with dual time control function, you can set up the lighting time and divide it into two parts, like 12 hours (6 hours full power lighting + 6 hours half power lighting)