**Tesla's Battery Rival Speaks Out**: The founder of CATL, a leading EV battery maker, has expressed doubts about Tesla's 4680 cell technology. Robin Zeng stated that the technology "is going to fail and never be successful." This comes after Elon Musk announced Tesla had produced 100 million of these cells.

**CATL specializes in lithium iron phosphate batteries (LFP), which have different performance characteristics compared to cylindrical cell units used by Tesla.**

Source: https://www.theverge.com/2024/11/14/24296777/tesla-catl-ev-battery-maker-elon-musk-4860-cell