Samsung SDI Unveils First Cylindrical LFP Battery, Betting on AI Data Center Backup Power Market
nashnova research
Samsung SDI launched its first cylindrical lithium iron phosphate battery at a Singapore expo, purpose-built for AI data-center backup power — marking the nickel-chemistry giant's formal pivot toward LFP as data-center battery demand surges 30% year-on-year.
What exactly did Samsung SDI launch?
Samsung SDI unveiled its first cylindrical LFP (lithium iron phosphate) battery at Data Centre World Asia 2026, alongside a full product suite: uninterruptible power supply (UPS), battery backup unit (BBU), and energy storage system (ESS).
This means → Samsung SDI is not shipping a single cell. It is offering a complete backup-power stack from cell to system, aimed squarely at data-center procurement.
The BBU line also includes a high-output 21700 nickel-based cylindrical cell with bottom-venting design — nickel handles rack-level instant backup, while LFP covers broader facility protection.
Why is the safety certification a key selling point?
Samsung SDI's UPS solution became the first to pass every requirement of UL Solutions' indoor large-scale fire test: testers deliberately ignited one battery module, and adjacent racks showed no flame spread, no explosion, no rupture.
In plain terms = inside an AI data center, tens or hundreds of millions of dollars in servers sit side by side. One battery fire triggers chain-reaction losses. This certification tells buyers: a fire stays in its rack.
This reflects a fundamental shift in what data centers demand from batteries — not range, but zero incidents.
Why do data centers need so many batteries?
IEA data: data-center battery UPS capacity additions hit 45 GW in 2025, up 30% year-on-year. Data-center power consumption itself grew roughly 17%.
This means → batteries have moved from a peripheral backup component to core architecture that keeps high-density compute loads running.
AI data centers evaluate batteries on entirely different criteria than EVs. EVs prioritize energy density and range; data centers care about runtime, power output, fire isolation, and system reliability. LFP's advantages in cost, cycle life, and thermal stability make it more competitive than nickel chemistries in this arena.
Why is Samsung SDI pivoting to LFP now?
Samsung SDI has historically built its portfolio around nickel-based chemistries, primarily serving the EV market. Entering cylindrical and prismatic LFP marks a deliberate extension toward data-center and energy-storage applications.
In plain terms = EV demand growth is slowing. Samsung SDI needs a new engine — and AI data-center backup power is a segment where demand is surging and LFP is a natural fit.
This reflects a broader reordering of priorities across the battery industry, driven by AI infrastructure build-out.
Does the earnings data back up the pivot story?
Samsung SDI posted Q2 revenue of KRW 3.77 trillion and operating profit of KRW 203.8 billion — its first quarterly profit after seven consecutive loss-making quarters. Revenue rose 18.5% year-on-year.
The company attributed the growth to three drivers: AI-driven UPS and BBU demand, energy-storage system growth, and recovering European EV demand.
This means → the earnings at least offer early validation that "data center + storage" can deliver real revenue for Samsung SDI. But the LFP product line just launched — scaling to meaningful market share will take time to prove out.
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