Enersys (ENS) Q2 2026: Data Center Revenue Jumps 29% as Cost Actions Expand Margins
Enersys delivered record Q2 sales and earnings, fueled by a 29% surge in data center revenue and margin expansion from aggressive cost actions. The company’s centers of excellence and supply chain initiatives are driving operational gains and offsetting tariff headwinds, while leadership signals further margin improvement ahead. Investors should watch for continued momentum in high-growth verticals and updates on lithium manufacturing strategy next quarter.
Summary
- Data Center Acceleration: Robust 29% YoY growth in data center sales underscores Enersys’ expanding footprint in resilient power markets.
- Cost Discipline Drives Margins: Early benefits from $80M cost savings program and operational centers of excellence are supporting sequential margin gains.
- Strategic Focus on Lithium: Near-term lithium cost headwinds remain, but management is poised to update on U.S. cell factory plans next quarter.
Business Overview
Enersys is a global leader in stored energy solutions, providing industrial batteries, chargers, and power systems for data centers, communications, motive power (forklifts, transportation), and specialty markets like aerospace and defense. Revenue is generated through three core segments: Energy Systems, Motive Power, and Specialty, each targeting mission-critical applications where power reliability is essential. The business model combines product sales, aftermarket services, and recurring replacement demand, with a growing focus on advanced chemistries like lithium and automation-driven efficiency.
Performance Analysis
Enersys reported record Q2 net sales, up 8% YoY, with earnings growth outpacing revenue as price mix and cost takeout offset inflation and tariff impacts. Data center revenue was a standout, up 29% YoY, marking a second consecutive quarter of double-digit growth and reinforcing the company’s exposure to secular AI and digital infrastructure trends. Energy Systems led all segments with 14% revenue growth and a 130 basis point margin increase, aided by supply chain agility and rapid execution on customer projects.
Specialty revenues rose 16% YoY, bolstered by robust aerospace and defense (A&D) demand and the Brentronics acquisition, nearly doubling operating earnings and expanding margins by 380 basis points. Motive Power declined 2% YoY on macro headwinds, but sequential improvement and a 14% increase in maintenance-free product sales signal stabilization. Free cash flow was exceptionally strong, supporting $78M in shareholder returns via buybacks and dividends, and the balance sheet remains underlevered at 1.3x EBITDA, offering flexibility for strategic investments.
- Margin Expansion Outpaces Revenue: Adjusted operating earnings and EBITDA grew faster than sales, with cost actions and price mix driving leverage.
- Segment Divergence Evident: Energy Systems and Specialty outperformed, while Motive Power faces near-term lithium cost drag and softer volumes.
- Cash Generation Surges: Free cash flow conversion exceeded 196% (ex-tax refund), funding aggressive buybacks and M&A optionality.
Order trends are mixed: Data center and A&D backlogs remain robust, while Motive Power and communications show lumpiness tied to customer buying patterns and tariff uncertainty. Management expects macro clarity and policy stability to support improved order visibility in coming quarters.
Executive Commentary
"Our performance in the second quarter was strong, with net sales up 8% year over year. Earnings growth outpaced revenue growth, driven by favorable price mix more than offsetting higher costs, resulting in both adjusted operating earnings and EBITDA being up 13%."
Sean O'Connell, President and Chief Executive Officer
"We anticipate full-year AOE growth excluding 45X will continue to outpace revenue, which obviously implies...margin expansion. Our underlying business is really good. It's actually more compelling than we would have even said a quarter ago."
Andy Funk, Executive Vice President and Chief Financial Officer
Strategic Positioning
1. Data Center and AI Infrastructure Tailwind
Data center remains Enersys’ highest-growth vertical, up 29% YoY, as hyperscale and enterprise customers invest in resilient backup power for AI-driven workloads. The company leverages its leading lead-acid battery share and is accelerating new product introductions, including next-generation lithium solutions, to capture a larger share of this multi-year growth cycle.
2. Operational Excellence and Cost Transformation
Enersys’ energized strategic framework centers on centers of excellence (COEs) for lead acid, power electronics, and lithium, which are driving process innovation, accelerating new product validation, and reducing costs. Early benefits from the $80M annual cost-saving initiative are materializing, with further realization expected in Q3 and Q4 as restructuring completes and automation ramps.
3. Tariff Mitigation and Supply Chain Agility
With 22% of U.S. sourcing exposed to tariffs, Enersys has reduced annualized direct tariff exposure from $94M to $70M through proactive supply chain and pricing actions, fully offsetting P&L impact in Q2. The company’s dedicated task force continues to enhance supply chain optionality and monitor policy shifts, maintaining confidence in mitigating future tariff risk.
4. Lithium Strategy and Capital Allocation
Lithium battery sales are ramping, but near-term margin dilution is expected due to elevated input costs (China tariffs) and subscale assembly volumes. Management is evaluating make-versus-buy options for U.S. cell manufacturing, with a major update on a new lithium cell factory expected next quarter. Capital spending is being tightly managed, with Q2 capex down 30% YoY, freeing up resources for high-ROI projects and potential M&A.
5. Shareholder Returns and M&A Discipline
Enersys returned $78M to shareholders in Q2 and maintains nearly $1B in buyback authorization. Management is opportunistic in repurchasing undervalued shares and signals ongoing interest in bolt-on acquisitions to expand share of wallet in strategic end markets, with strict focus on free cash flow margin and ROIC.
Key Considerations
Q2 highlights Enersys’ ability to drive earnings leverage through strategic cost actions and targeted growth investments, even amid mixed end market signals. Management’s disciplined capital allocation and operational rigor are positioning the company for sustainable margin expansion and cash generation.
Key Considerations:
- Data Center Growth Momentum: Continued double-digit expansion in data center sales underpins long-term secular opportunity.
- Margin Expansion from Cost Actions: $80M cost program and COEs are delivering early benefits, with more to come as restructuring matures.
- Lithium Ramp Brings Near-Term Margin Drag: Elevated lithium costs and tariffs will pressure margins until U.S. cell production or scale is achieved.
- Tariff Policy Remains a Swing Factor: Proactive supply chain actions are offsetting current exposure, but policy volatility could impact future costs and demand.
- Cash Returns and M&A Optionality: Strong free cash flow and low leverage provide ample flexibility for buybacks and strategic deals.
Risks
Tariff volatility, macroeconomic uncertainty, and customer buying hesitancy in capital-intensive end markets (like Motive Power and Class 8 trucks) remain key risks. Lithium cost inflation and the timing of scaling U.S. cell production could weigh on near-term margins. Any delays in executing cost savings or supply chain pivots may impact earnings leverage. Management’s pause on full-year quantitative guidance reflects these uncertainties.
Forward Outlook
For Q3 2026, Enersys guided to:
- Net sales of $920M to $960M
- Adjusted diluted EPS of $2.71 to $2.81 (including $35M–$40M of 45X benefits); $1.64 to $1.74 ex-45X (up 46% at midpoint)
For full-year 2026, management refrained from issuing quantitative guidance due to macro uncertainty, but reaffirmed:
- Adjusted operating earnings growth (ex-45X) will outpace revenue growth
- Full-year tax rate of 20%–22% (as adjusted, pre-45X)
Management highlighted:
- Further realization of cost savings and margin expansion in H2
- Continued data center and A&D strength, with Motive Power expected to regain YoY growth
Takeaways
Enersys is leveraging secular data center growth and operational transformation to drive record earnings and cash flow, while actively managing tariff and lithium cost headwinds. The company’s disciplined capital allocation supports both shareholder returns and future growth investments.
- Secular Tailwinds in Data Center and A&D: These verticals are delivering consistent high growth, offsetting sluggishness in legacy Motive Power markets.
- Transformation Initiatives Gaining Traction: COEs and cost programs are expanding margins, with more savings to be realized in H2.
- Watch for Lithium Factory Update: Next quarter’s update on U.S. lithium cell manufacturing is a key catalyst for future margin and supply chain control.
Conclusion
Enersys’ Q2 results demonstrate the company’s ability to capitalize on data center and defense demand while executing on cost and supply chain transformation. Near-term lithium and macro headwinds persist, but the strategic foundation for margin expansion and cash generation is strengthening.
Industry Read-Through
Enersys’ results reinforce the ongoing secular upcycle in data center infrastructure and resilient power solutions, with AI and cloud demand driving multi-year investment across the sector. The company’s success in offsetting tariffs and extracting cost from operations is a blueprint for other industrials facing similar policy and input cost volatility. Lithium supply chain and cost challenges remain an industry-wide concern, with U.S. manufacturing and automation investments likely to be a competitive differentiator. Replacement and aftermarket demand in transportation and material handling offer partial insulation against OEM cyclicality, a dynamic relevant for peers exposed to fleet and industrial end markets.