3 ms·
They aren't really COTS. They were for the Roadster, but for the Model S they use a specialized chemistry as well as removing the protection circuit. [Source](
by cfreeman 12y ago
They aren't really COTS. They were for the Roadster, but for the Model S they use a specialized chemistry as well as removing the protection circuit.
[Source](https://www.youtube.com/watch?feature=player_detailpage&v=9cfHGDoniU0#t=169s https://www.youtube.com/watch?feature=player_detailpage&v=9c...)
- makomk 12y agoThat's standard for NCR18650A cells though - they ship with no protection circuit and I believe the same chemistry that the Model S is using. The protection circuits are added by companies that buy raw cells from Panasonic.