4 ms·

At present, those tandem cells are still experimental. Nobody is manufacturing them on gigawatt scale like for other solar cell technologies.

• realo 6mo ago
  Well... if you go to the web site , they seem to welcome very large orders. Just not mine or yours. Might be experimental and unavailable, but just for small orders? Come on ...
  • wpm 6mo ago
    Time for a group buy