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Tesla use Panasonic's NCR18650B cells which were originally designed for laptops. (At least in the Model S anyway, I think the Model 3 is using something a litt
by makomk 9y ago
Tesla use Panasonic's NCR18650B cells which were originally designed for laptops. (At least in the Model S anyway, I think the Model 3 is using something a little more custom.)
- 013a 9y agoYup, the Model 3 uses their new 2170 cells, which are definitely lithium nickel cobalt aluminum oxide [1] [1] https://www.teslarati.com/inside-tesla-model-3-2170-lithium-ion-battery/ https://www.teslarati.com/inside-tesla-model-3-2170-lithium-...
- askvictor 9y agoAgain, this is size not chemistry. 2170 (sometimes called 21700) refers to 21mm diameter, 70mm long. They can come in different chemistries.
- greglindahl 9y agoTesla does not use the standard chemistry. It is using a standard form factor.
- askvictor 9y agoYou are describing battery sizes, not chemistries. 18650 is a standard cell size which Tesla uses in their older vehicles, and is common in older laptops and powertools. The types of chemistry used in it may vary (just like you can get AA cells in alkaline, NiCd, NiMH, and other chemistries)
- makomk 9y agoNo I'm not. 18650 is the size, NCR1850B is a very specific model of off-the-shelf cell in that size manufactured by Panasonic with a specific chemistry and specification. As far as I can tell (it's not something the manufacturers release much information about publicly) the "NCR" part identifies the chemistry as Lithium Nickel Cobalt Aluminum Oxide.