Polycrystalline solar panels can be used according to size and power. 5w, 10w, 15w, 20w, 25w, 30w, 35w, 40w, 45w, 50w, generally used in garden lights, portable lights, camping lights, climbing lights, fishing Lamps, silicone lamps, energy-saving lamps and other household lighting and some small appliances. Like 55w, 60w, 65w, 70w, 75w, 80w, 85w, 90w, 95w, 100w, 105w, 110w, 115w, 120w, they are generally used in street lights and signal lights. Like 125w, 130w, 135w, 140w, 145w, 150w, 155w, 160w, 165w, 170w, 175w, they are generally used in highway or railway wireless telephone booths, unattended road guards, etc. The above are all solar panels composed of 36 polycrystalline silicon cells, which are durable, smart and easy to use, and their performance exceeds expectations.