Is Tesla switching to lithium phosphate battery cells for Megapack energy storage?

Tesla is switching to lithium iron phosphate (LFP) battery cells for its utility-scale Megapack energy storage product, a move that analysts say could signal a broader shift for the energy storage industry.

Does Tesla use lithium-iron phosphate batteries?

Multiple news sources are reporting that Tesla has begun using lithium-iron phosphate (LFP) battery cells in its Megapack grid-scale storage systems. LFP has some advantage and disadvantages when compared to the traditional nickel cobalt aluminum (NCA) or nickel, manganese, cobalt (NMC) batteries typically used to power electric cars.

Will Tesla transition all stationary energy storage products to LFP battery chemistry?

Tesla CEO Elon Musk said that the company expects to transition all stationary energy storage (ESS) products to the LFP battery chemistry.

Should Tesla use LFP batteries for stationary storage?

Tesla already relies on LFP chemistry for its Model 3 vehicles and indicated at last fall’s Battery Day that it would do the same for stationary storage. Despite their lower material cost, the lower density of LFP batteries presents a challenge for vehicle applications because they can limit vehicle range.

Does Tesla use LFP batteries?

Beyond Chinese-made Model 3 cars and the Megapack, Tesla doesn't use LFP batteries in other products. As we mentioned above, however, they seem to prioritize LFP chemistries in a larger swath of their cars, and we could potentially even see LFP chemistries in other storage products from Tesla, like the Powerpack and popular Powerwall home battery.

Which batteries does Tesla use?

As far as we know, since the beginning, Tesla used higher-energy dense battery cells, supplied by Panasonic and also other manufacturers (smaller scale). In the future, Powerwall, Powerpack and Megapack will be most likely equipped with LFP batteries, especially the 3 MWh Megapack units.