Most solar lights requires 8-10 hours to fully charge, some may need more in order to give off light during the whole night. Top 10 Best Solar Garden Lights Reviews. There are few key factors that make a good solar garden light. Each item is picked based on type of light, features, quality, ease of use and value. Best Solar Garden Lights Reviews 2018 - Buyer's Guide Please note: You are currently browsing img free images tree, light, summer, dusk, decoration that is 2988x5312px in size. This image is listed in decorative solar garden lights category. Best Solar Garden Lights Reviews 2018 Buyers Guide, 2988x5312 in 4,189.65 KB.