Chased Down The World's "Best" Solar Cells

jaycocreek wrote:
sunpower solar panels with Maxeon cells boast 25% efficiency and even Jackery portable solar panels advertise 23.7% efficiency...

My research shows the best we have is about 22.7%

Some of these claims has me wondering..lol...

Example:
Sunpower solar panels with Maxeon cells boast 25% efficiency and even Jackery portable solar panels advertise 23.7% efficiency..In a side by side test with everything the same,there was a 2 watt difference in input...

Being fairly new to solar,I find it all interesting.

But in five years....