Solar Deck Lights Solar Deck LightsThese stainless steel solar deck lights are ideal for recessing into wooden decks and are incredibly easy to install. The solar deck lights are powered by a single AA rechargeable battery which is charged by the sun via the solar panel.No mains wiring is necessary so you can enjoy these solar deck lights safely with no ongoing operating cost. The solar powered deck lights will automatically light up at dusk and remain on for up to 8 hours on a full charge.