1. Dose this model have battery inside ?

No . This model is charged by sunlight directly .It is very environmental friendly .

2. Is this product waterproof? 
The folding solar charger is weather resistant which means it will resist the occasional rain or snowed, it is not design for immersion in water.

3. Is this product heavy?
No, It is lightweight, portable and easy to take out.
Suitable for mountaineering, travel, office and so on any occasion.

4. If it is partially cloudy or not very sunny can i still charge my devices with

this charger?

Yes,but the charging efficiency will be lower, and prolongs the charging time.

5.What if the foldable USB port solar charger is not charging my devices?

A.Ensure your device's input current and voltage requirements fall within the

accepted range.

B.Cloudy weather and indirect sunlight may cause fluctuations in the current output that prevent your devices from charging. Under this circumstances, try to place

the solar charger in direct sunlight or wait for the clearer weather.

6.How do I check my devices input current and voltage?

Please refer to your device's user manual,original OEM charging adapter,or contact

the manufacturer.

7. How can i get sample for quality test?

a.PI confirmation

b.Sample charge arrangement

c.Sample production and inspection

d.Send to customer by DHL/UPS/Fedex

8. How long it will takes for get samples?

If the sample if ready stock, we will send it out within 2 work days.

If out of stock,it will take around 7 work days for production.

9. Can you help me make my own design?

Yes, OEM and ODM both are workable for us.

Sample time:7-10 days.

Sample cost : charged according to the material and size of the product.

10.How is your quality ?

Quality is the life of us! We use only the best quality (original) components to ensure the standard of our product range is of the highest caliber.

All product has 1 year warranty and guaranteed by CE ,FCC & ROHS certificates.

All products we sold out are strictly selected and tested by our QC Department.