When you're looking for a flagship phone with a long battery life, is one phone maker better than the others? To find out, we ...

Tesla is still struggling with the dry-cathode coating process, but it plans big, with four variants of the dry-cathode 4680 ...

Tesla is developing four new 4680-type battery designs, which will be launched by 2026 to power the Cybertruck and the ...

Tesla plans to design four new versions of its in-house battery to power the Cybertruck, its forthcoming robotaxi and other ...