Who makes Subaru batteries?
Panasonic supplies the battery cells used in Subaru’s electrified vehicles, with Toyota coordinating the platform and overall battery strategy as part of the e-TNGA program.
Subaru’s electrification effort hinges on a collaboration with Toyota and Panasonic. The Solterra, Subaru’s first dedicated EV, shares its architecture with Toyota’s bZ4X, and both rely on Panasonic cells. The packs are integrated within a joint Subaru–Toyota supply chain, illustrating Subaru’s approach of leveraging established partners rather than building a standalone battery supply chain.
Key players in Subaru's battery supply
The following section identifies the main players and their roles in Subaru's current battery supply for electrified models.
- Panasonic – provides the battery cells used in Subaru’s Solterra and Toyota’s bZ4X under the e-TNGA program.
- Toyota Motor Corporation – coordinates the e-TNGA platform and overall battery strategy across markets, working in tandem with Subaru on development and production processes.
These roles reflect Subaru’s strategy to leverage established partners to scale its electrified lineup while maintaining brand continuity across regions.
Model-specific notes
Shared architecture and market rollouts
Solterra and bZ4X use the same underlying architecture and battery cell supplier, with regional differences in configuration and availability. Panasonic’s cells are a consistent element across markets where these models are sold.
In practice, consumers should expect battery performance and charging characteristics that align with Toyota’s EV technology, given the close coordination between the brands.
What to expect going forward
As Subaru expands its electrified lineup, it is likely to continue leveraging Toyota’s battery ecosystem and Panasonic’s cells, while remaining open to future supplier options to address capacity, regional needs, or new battery chemistries.
Summary: Subaru currently sources its battery cells from Panasonic as part of the Toyota-backed e-TNGA program, with Toyota overseeing platform integration and joint development with Subaru. This global supply arrangement defines Subaru’s current and near-future electrified offerings.
