The data center battery shortage is no longer a whisper in supply chain circles—it is now a full-blown crisis rivaling the memory chip crunch that has plagued the industry for years. Panasonic Energy has disclosed that hyperscalers have already pre-committed to more than 80% of its planned data center battery output through fiscal year 2029, effectively locking in years of supply before products even ship.
Key Takeaways
- Hyperscalers have pre-committed to 80% of Panasonic Energy’s data center battery output through FY2029.
- Panasonic aims to triple lithium-ion battery production capacity in Japan by FY2029 versus FY2026 levels.
- AI data center power demands could exceed 1,000 TWh by 2026, more than double 2022 levels.
- Gartner warns energy shortages could restrict 40% of AI data centers by 2027.
- Supercapacitor-based backup units will begin shipping in FY2027 to handle rapid power fluctuations.
Why Data Center Battery Shortage Matters Now
The data center battery shortage reflects a fundamental mismatch between AI infrastructure growth and power delivery capacity. AI racks fluctuate wildly—from 10% idle to 150% overload—according to Vertiv’s 2025 Data Center Trends, straining traditional centralized power systems. Rather than rely on aging uninterruptible power supply (UPS) infrastructure, hyperscalers are shifting to rack-mounted lithium-ion batteries placed directly on each server rack to absorb voltage instability, provide backup during blackouts, and enable peak shaving for energy efficiency. This architectural shift means demand is not just growing—it is concentrated among a handful of massive cloud providers who can negotiate years-long supply agreements.
The numbers paint a stark picture. AI data center power demands could exceed 1,000 TWh by 2026, more than double 2022 levels. Gartner warns that energy shortages could restrict 40% of AI data centers by 2027, making reliable power backup not optional but existential. When hyperscalers face that reality, they do not wait for availability—they lock in supply. Panasonic’s 80% pre-commitment through 2029 is the industry’s way of saying: there is not enough capacity, and what exists is already spoken for.
Panasonic’s Aggressive Expansion Plan
To address the data center battery shortage, Panasonic is undertaking one of the most aggressive production expansions in its history. The company aims to triple lithium-ion battery production capacity in Japan by FY2029 compared to FY2026 levels, expanding existing facilities and converting automotive lithium-ion cell lines starting FY2027. This pivot from automotive to data center batteries signals how dramatically the market has shifted—even legacy automotive suppliers now see their future in AI infrastructure.
Geographically, Panasonic is establishing a new module plant near its existing Mexico facility and considering adapting its Kansas Factory, an automotive lithium-ion plant in North America, for data center batteries. The company targets ¥800 billion (approximately US$5 billion) in data center battery sales for FY2029, roughly quadrupling current sales. These are not incremental adjustments—they are wholesale reallocation of manufacturing footprint to chase AI demand.
Beyond lithium-ion batteries, Panasonic is developing supercapacitor-based rack backup units with Panasonic Industry Co., Ltd., to handle rapid power load fluctuations that traditional batteries cannot manage quickly. Supercapacitor shipments are scheduled to begin in FY2027, adding another layer of power resilience to hyperscaler infrastructure. The message is clear: a single battery chemistry is insufficient for AI-scale power demands.
The Broader Supply Chain Squeeze
The data center battery shortage is not isolated. Memory makers face similar sell-outs and price hikes due to AI demand, creating a perfect storm where nearly every critical infrastructure component is simultaneously constrained. Unlike RAM, however, which can theoretically be sourced from multiple suppliers, data center batteries are highly specialized, rack-mounted systems that require deep integration with hyperscaler infrastructure. There is no quick pivot to alternative suppliers—hyperscalers have already locked in their sources.
Industry observers note that enterprises approaching this as a late-stage procurement exercise are making a critical mistake. The window for securing data center batteries has already narrowed dramatically. With 80% of Panasonic’s output pre-sold and competing suppliers facing similar pressures, any organization that has not already negotiated long-term supply agreements is likely facing years of delays or premium pricing.
When Will Supply Stabilize?
Panasonic’s expansion roadmap suggests relief is years away. Lithium-ion capacity tripling by FY2029 and supercapacitor shipments beginning FY2027 means the data center battery shortage will persist through the medium term. Even as new capacity comes online, demand from AI infrastructure growth may outpace it. The hyperscaler pre-commitments through 2029 suggest the industry expects supply constraints to last at least that long.
Is the data center battery shortage affecting all hyperscalers equally?
No. Hyperscalers with established relationships and procurement scale—Amazon, Google, Microsoft, Meta—have already secured multi-year supply agreements locking in the majority of available output. Smaller cloud providers and enterprises are facing significantly longer lead times and limited access to inventory. Panasonic’s 80% pre-commitment reflects the dominance of the largest players.
Can alternative power systems replace rack-mounted batteries?
Partially. Centralized UPS infrastructure remains an option, but hyperscalers are actively shifting away from it in favor of distributed rack-level backup due to the extreme power density and rapid load fluctuations of AI workloads. Supercapacitors complement batteries but do not replace them—they handle transient spikes while batteries provide sustained backup. There is no single alternative that addresses all requirements.
When will data center battery prices stabilize?
Pricing pressure will likely persist until Panasonic’s capacity expansion completes in FY2029 and competing suppliers increase output. Even then, if AI infrastructure continues expanding at current rates, demand may keep pace with supply. Organizations should expect elevated costs and long lead times to remain the norm through 2027 at minimum.
The data center battery shortage is a direct consequence of AI’s explosive infrastructure demands outpacing manufacturing capacity. Panasonic’s aggressive expansion and hyperscaler pre-commitments reveal an industry bracing for sustained supply constraints. For anyone depending on reliable data center power, the time to secure supply agreements is not next quarter—it is now. Waiting means accepting years of delays or paying premium prices for what little inventory remains available.
Edited by the All Things Geek team.
Source: TechRadar
