EVwire brief: Tesla has reportedly added China-based Sunwoda to its global battery supply chain. The move expands Tesla’s supplier base while introducing new LFP battery technology focused on faster charging.
Sunwoda, through its EV battery unit Sunwoda EVB, has become Tesla’s fifth global battery supplier, according to industry sources cited by 36kr.
Battery cells have reportedly started shipping from the company’s facility in Yiwu, China, and are currently being used in vehicles produced at Giga Shanghai for export markets.
The batteries have reportedly not yet been deployed in vehicles sold within China.
“Generally speaking, Tesla will have an observation period of about one year before introducing new components.”
Context:
Sunwoda, through its EV battery unit, has become Tesla’s fifth global battery supplier, joining existing partners including CATL, Panasonic, LG Energy Solution, and BYD.
Sunwoda ranks as the 8th-largest battery maker in China as of February this year:
On global scale, it doesn’t (yet) fit into the top 10 battery makers.
Unlike prior arrangements, Tesla is purchasing battery cells only from Sunwoda while retaining control over module and pack assembly.
This marks a shift from earlier reliance on suppliers for integrated modules and gives Tesla China greater flexibility over cost, design, and scaling.
Sunwoda’s cells use third-generation lithium iron phosphate (LFP) materials capable of 3C charging rates, aligning with the industry’s push toward faster charging.
Industry sources claim that Sunwoda’s batteries are already used for Giga Shanghai’s export units
Tesla’s battery mix spans LFP and higher-energy chemistries
Tesla’s global battery supply strategy is split across different chemistries depending on vehicle segment and cost targets.
Panasonic and LG Energy Solution focus on higher-energy nickel-based chemistries for long-range and performance models, which carry higher costs but offer greater energy density.
Tesla also produces its own batteries, though its 4680 program only supports vehicles like the Cybertruck for now.
The Tesla Model Y RWD uses LFP batteries
CATL primarily supplies LFP batteries used in entry-level and mid-range vehicles. BYD has also supplied LFP-based batteries in certain regions, though deployment has remained limited.
Sunwoda adds another LFP-focused supplier, expanding Tesla’s options in its lowest-cost battery segment.
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