I have an existing electric street light. Can I attach a solar panel to the existing light?

No, because the internal design of electric street light is different from the solar street light.

There is battery in the solar street light, while there is no battery in the electirc street light.

And the circuit design is also different, the electric street light is using the power from the municipal, while the solar street light is using the power from the battery, which convert from from the solar panel.

Can I use the existing pole to install the solar street light ?

In most cases, the answer is yes.

But it is better that you can check how much weight the origial pole can stand. Because for some wattage, the weight of solar street light is more heavy than the electric street light, due to the extra solar panel.

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