Samsung SDI targets mass production of its all-solid-state battery in the second half of 2027. That is a company production goal—not a confirmed date for a Galaxy phone, electric vehicle, or other consumer product using the battery to go on sale.
What Samsung SDI means by “2027”
The latest timing statement reviewed is Samsung SDI’s March 2026 target to begin mass production in the second half of 2027. The company has also described 2027 as its broader target. Neither statement confirms that the schedule is guaranteed, or that batteries will be available in consumer products in 2027.
Samsung SDI’s March 2026 announcements discuss possible uses in physical-AI devices, including humanoid robots, as well as electric vehicles and other applications. They do not name a phone or vehicle model, announce a retail launch, or establish a consumer availability date. Samsung SDI’s March 9, 2026 announcement describes a pouch-type sample under development for physical-AI applications.
How far along is the battery?
Samsung SDI’s work has moved beyond a concept announcement, but the milestones so far are development and customer-evaluation steps—not evidence of mass-market supply.
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- March 2022: Samsung SDI says it began launching its S-line pilot project.
- 2023: The company says it completed the 6,500-square-meter pilot line and supplied customer samples.
- December 2023: Its 2025 sustainability report says prototype samples went to key customers.
- Second half of 2024: The report says A-samples followed.
- Second half of 2027: Samsung SDI’s current stated target is to begin mass production.
The sample and pilot-line milestones are reported in the Samsung SDI 2025 Sustainability Report and the company’s 2024 overview of its all-solid-state battery work. The available announcements do not state exact first customer delivery dates, production volumes, or when a finished product would reach shops.
What makes it an all-solid-state battery?
A conventional lithium-ion battery uses a liquid electrolyte to move ions between its electrodes. An all-solid-state battery replaces that liquid with a solid electrolyte. Samsung SDI says this can reduce fire risk and enable higher energy density. Those are the company’s stated advantages; they should not be taken as independent confirmation of performance or as a guarantee that every solid-state battery has the same characteristics.
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Samsung SDI describes its design as using proprietary solid-electrolyte material and an anode-less approach intended to increase energy density. In a December 2024 company article, it reported an energy density of 900 Wh/L, which it said was 40 percent higher than its then-current mass-produced prismatic batteries. These are Samsung SDI’s figures and comparison, not independent test results established here, and they should not be generalized to competitors or all solid-state batteries. The company’s account is in “900Wh/L All Solid Battery Becomes Reality,” published December 3, 2024.
Where might Samsung SDI use it?
Samsung SDI has described more than one form factor and potential application. In March 2026, it unveiled a pouch-type sample under development for physical-AI applications such as humanoid robots. The company has also discussed prismatic all-solid-state batteries for electric vehicles, and says it plans to broaden form factors and possible uses to robotics, aviation platforms, and next-generation wearables.
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These are development targets and potential applications, not confirmed product launches. The announcements do not identify a specific automaker, aircraft, wearable, or phone that will use the battery. Samsung SDI’s March 2, 2026 overview discusses its battery direction and intended applications.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What the 2027 target means for buyers
If you are waiting for a Samsung phone or an EV with this battery, the useful distinction is between mass production of battery cells and commercial availability of a finished product. Samsung SDI has stated a target for the former; the evidence available does not establish when, or whether, a particular consumer product will use the battery. A 2027 production goal is therefore not a promise of a 2027 Galaxy upgrade or a retail EV launch.
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