I’ve got quite a few outdoor solar lights. The only ones that last and give off a decent amount of light aren’t pretty or decorative. Arilux used to make some decent larger ones, the smaller size model the PIR sensor simply doesn’t pick up any movement. I have noticed their latest light appear to be a bit junky.
Leclstar 368 LED models work well and are capable of lighting large areas, but aren’t exactly decorative. They have two 18650 batteries inside.
Avoid anything with an epoxy encapsulated solar cell as they quickly turn yellow and craze. Water ingress is also a problem with cheap decorative solar lights.