A solar deck light is used to illuminate deck floors and steps while enhancing the outdoor decor. Deck lights can be installed into the posts of a deck, mount to the railing around a deck, or be recessed in the risers of steps. They distribute light in a horizontal or downward direction to provide safety and accent lighting. A solar deck light are an integrated assembly of an LED module, a photovoltaic module, a rechargeable battery, and control circuitry. It runs entirely on solar energy. No wiring or electrician is needed for installation.