Quality Assurance Parts: solar panel, Battery, LED Lamp, PCB, Wires
Solar panel:
mono or poly cell crystalline, enough free electron in Silicon atom, the free electron absorb light photon and released, aluminum alloy frame, tempered glass cover, IEC61215, IEC61730 TUV test report, warranty 5 years, life-time with the efficiency: 10 years 100%, 20 years 90%, 30 years 8%;
Battery:
Lithium battery, 1.8*1.8*6.5cm standard size, 800-1000 time circles, made in Japan, wide work temperature, 12 months don't need to charge when in selling; warranty: 2 years, life-time:3-5 years 90% capacity, 5-8 years 80% capacity;
Ni-Mh battery: AA/AAA, Samsung, 800-1200 cycles, made in Korea,wide work temperature, 12 months don't need to charge when in selling; warranty: 2 years, life-time:3-5 years 90% capacity, 5-8 years 80% capacity;
LED Lamp:
Lamp Crust: Aluminum alloy for hot dissipation(not for plastic crust), LED chips: famous brand in high efficiency(high light-electricity transformation); LED chips board: aluminum, to keep hot transmitting,(heat conductivity coefficient:1.5W, thickness:1.0mm)
(Work temperature decide the life-time of LED chips, hot transmitting and dissipation is necessary for a long life-time LED lamp, 36sqcm hot dissipation area for 1W is standard)
Warranty 2 years, life-time: 5 years 100%, 8 years 90%, 10 years 80%
PCB:
Board material: Glass fiber board, Function: battery over-charge and over-discharge protection, Constant current discharge for LED lighting, "LED indicator" for charging status, 5V/1A IC to protect charging current, IC component control for each group of LED lighting; warranty 5 years; life-time: more than 10 years;
Wires:
China Standard 3mm-4mm copper material wire, low resistance and long life-time, DC and AC current allowed, switch controller, E22,E27,B22 LED lamp holder; warranty 5 years, life-time: more than 10 years
Warranty and Service
1. 12 months Warranty for the solar traffic sign. Buy with confidence
2. If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it.
3. If item is defective in 1 month, we will send you a replacement without extra charger, or offer refund after we receive the defective item.
FAQ
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
A:Sample takes 15 days, mass production need one month
A: Low MOQ, 1pc for sample checking is available
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
A: 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.
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
A: Yes, we offer 1-2 years warranty to our products.
A: 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 i
ncluding re-call according to real situation.