Yangzhou, Jiangsu, China
Member Since: 2019
Business Type: Manufacturer/Factory
Best Rated Off Grid solar panel system Hybrid Pure Sine Wave Inverter Solar Power System
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)