I am very satisfied with the solar lights that I have used, they are still working after 2 years!

I can't say that I expected something perfect, but while initially it worked great, some days it did some weird things... I had to put it aside again to charge for 2-3 days without turning on the solar. It seems to be working again. We'll see.... The AAA batteries, despite having smaller capacity, perform better than these...

Update 4/8/2021.
Unfortunately, despite so much sun and heat. One day they work. One day they don't. And of course, even though they are exposed to the sun for more than 12 hours, they only light up for a maximum of 3 hours in the solar flame light. Disappointing...

Ideal for solar lights whose batteries have died and we had them put aside. They work perfectly

They do not have the same durability as conventional batteries, while they need to charge for several hours. Overall, I am concerned about their overall performance. They are cost-effective (as long as they are worth less than 10 euros) but also for environmental reasons.