Q1: How long do solar flood lights typically last?

A: The lifespan of solar flood lights can vary depending on the quality of the product and how well they are maintained.  
On average, solar lights can last anywhere from 2 to 3 years.

Q2: What is the lastig time of the solar flood lights after full charging?
A: The solar street lights can work 10-16 hours,  Usually>12hours.