Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.Low MOQ, 1pc for sample checking is available.
Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than
We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Bank Transfer (TT), Western Union, or Letter of Credit (LC);
40% deposit before production, remaining 60% payment before deliver goods.
Firstly,let us know your requirements or application.
Secondly,We quote according to your requirements or our suggestions.
Thirdly,customer confirms the samples and places deposit for formal order.
Fourthly,We arrange the production.
Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Yes, we offer 2-5 years warranty to whole product.Within the warranty time, we will send you replacement part to replace the defect part for free.
Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%.Secondly, during the guarantee period, we will send new lights with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.
production process and cost. Polysilicon technology is more mature since it is an early technology compared with Monosilicon.
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)
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.