Does the installation of LED fluorescent bulbs need to be positive and negative
Agreed to A solar lamp with built-in power source is not required to be divided into positive and negative. But the cooling effect is not so good. The advantage is that you can connect directly to the lampstand. External power supply of the fluorescent lamp, need points are negative, but the cooling effect will be better, and don't have to put the drive into the tube, also make the design simple, the problem is the installation of trouble
LED has no brand, only quality The factory can purchase raw materials according to customer requirements. Like we can do middle eastern countries and we can do European and American countries.
It depends on whether your power is external, or is it built in, so if you have an external one, you don't have to have it built in,