Service in advance:Consultation and design   Service in construction:Installation, adjustment and test.   Service after completion:Simple and easy maintaining manual and warranty on power output are provided.   Within a year after completion:Follow the tracks of the...

1.          What kind of electricity does the pv panel generate? When light is projected on the pv panel, there will be DC voltage exist between the two connectors (positive/negative). If we connect conductor to the two connectors, a current w...