How many watts are suitable for installing solar street lights?

This mainly depends on where you put it and how high the light pole is. The suggestions are as follows:
If the pole height is 2.5m, then you can use 8w garden lights; if the pole height is 3m, then you can use 12w solar garden lights; if the pole is 5m, then you can use 15w or 21w solar street lights Yes, if the pole is 6m, you can use 28w or 30w. If the pole is 7m, then use 40w solar street light. If the pole is 8m, you can use 56w or 60w solar street light. If If it is 10m, you can use a solar street light of about 80w, and you can use a 100w street light about 12m. It is recommended that you do not install solar street lights for taller poles.