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Side-by-side financial comparison of EnerSys (ENS) and Eos Energy Enterprises, Inc. (EOSE). Click either name above to swap in a different company.
EnerSys is the larger business by last-quarter revenue ($919.1M vs $58.0M, roughly 15.8× Eos Energy Enterprises, Inc.). EnerSys runs the higher net margin — 9.8% vs -207.7%, a 217.5% gap on every dollar of revenue. On growth, Eos Energy Enterprises, Inc. posted the faster year-over-year revenue change (699.6% vs 1.4%). EnerSys produced more free cash flow last quarter ($171.3M vs $-75.2M). Over the past eight quarters, Eos Energy Enterprises, Inc.'s revenue compounded faster (196.4% CAGR vs 0.5%).
EnerSys is a stored energy systems and technology provider for industrial applications. The company manufactures reserve-power and motive-power batteries, battery chargers, power equipment, battery accessories and outdoor equipment enclosures.
Eos Energy Enterprises, Inc. is an energy storage solutions provider that designs, produces and deploys safe long-duration zinc-based battery systems. It serves utility, commercial, industrial and microgrid customers across North America, Europe and Asia, supporting grid stability and renewable energy integration.
ENS vs EOSE — Head-to-Head
Income Statement — Q3 2026 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $919.1M | $58.0M |
| Net Profit | $90.4M | $-120.5M |
| Gross Margin | 30.1% | -93.8% |
| Operating Margin | 13.5% | -140.1% |
| Net Margin | 9.8% | -207.7% |
| Revenue YoY | 1.4% | 699.6% |
| Net Profit YoY | -21.3% | 55.1% |
| EPS (diluted) | $2.40 | $-0.53 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $919.1M | $58.0M | ||
| Q3 25 | $951.3M | $30.5M | ||
| Q2 25 | $893.0M | $15.2M | ||
| Q1 25 | $974.8M | $10.5M | ||
| Q4 24 | $906.2M | $7.3M | ||
| Q3 24 | $883.7M | $854.0K | ||
| Q2 24 | $852.9M | $898.0K | ||
| Q1 24 | $910.7M | $6.6M |
| Q4 25 | $90.4M | $-120.5M | ||
| Q3 25 | $68.4M | $-641.4M | ||
| Q2 25 | $57.5M | $-222.9M | ||
| Q1 25 | $96.5M | $15.1M | ||
| Q4 24 | $114.8M | $-268.1M | ||
| Q3 24 | $82.3M | $-342.9M | ||
| Q2 24 | $70.1M | $-28.2M | ||
| Q1 24 | $60.9M | $-46.7M |
| Q4 25 | 30.1% | -93.8% | ||
| Q3 25 | 29.1% | -111.2% | ||
| Q2 25 | 28.4% | -203.2% | ||
| Q1 25 | 31.2% | -234.7% | ||
| Q4 24 | 32.9% | -324.0% | ||
| Q3 24 | 28.5% | -2916.9% | ||
| Q2 24 | 27.9% | -1472.5% | ||
| Q1 24 | 27.9% | -327.6% |
| Q4 25 | 13.5% | -140.1% | ||
| Q3 25 | 9.7% | -200.6% | ||
| Q2 25 | 9.7% | -419.1% | ||
| Q1 25 | 13.5% | -506.2% | ||
| Q4 24 | 15.7% | -712.8% | ||
| Q3 24 | 11.2% | -6244.3% | ||
| Q2 24 | 10.7% | -3233.5% | ||
| Q1 24 | 8.9% | -623.2% |
| Q4 25 | 9.8% | -207.7% | ||
| Q3 25 | 7.2% | -2102.1% | ||
| Q2 25 | 6.4% | -1463.2% | ||
| Q1 25 | 9.9% | 144.7% | ||
| Q4 24 | 12.7% | -3696.7% | ||
| Q3 24 | 9.3% | -40148.2% | ||
| Q2 24 | 8.2% | -3137.2% | ||
| Q1 24 | 6.7% | -707.6% |
| Q4 25 | $2.40 | $-0.53 | ||
| Q3 25 | $1.80 | $-4.91 | ||
| Q2 25 | $1.46 | $-1.05 | ||
| Q1 25 | $2.39 | $-0.20 | ||
| Q4 24 | $2.88 | $-2.30 | ||
| Q3 24 | $2.01 | $-1.77 | ||
| Q2 24 | $1.71 | $-0.25 | ||
| Q1 24 | $1.48 | $-0.23 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $450.1M | $568.0M |
| Total DebtLower is stronger | — | $813.3M |
| Stockholders' EquityBook value | $1.9B | $-2.2B |
| Total Assets | $4.0B | $885.2M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $450.1M | $568.0M | ||
| Q3 25 | $388.6M | $58.7M | ||
| Q2 25 | $346.7M | $120.2M | ||
| Q1 25 | $343.1M | $82.6M | ||
| Q4 24 | $463.2M | $74.3M | ||
| Q3 24 | $407.9M | $23.0M | ||
| Q2 24 | $344.1M | $52.5M | ||
| Q1 24 | $333.3M | $31.8M |
| Q4 25 | — | $813.3M | ||
| Q3 25 | — | $448.5M | ||
| Q2 25 | — | $445.3M | ||
| Q1 25 | $1.1B | $325.5M | ||
| Q4 24 | — | $316.9M | ||
| Q3 24 | — | $187.4M | ||
| Q2 24 | — | $153.3M | ||
| Q1 24 | $802.0M | $205.6M |
| Q4 25 | $1.9B | $-2.2B | ||
| Q3 25 | $1.9B | $-2.3B | ||
| Q2 25 | $1.9B | $-1.1B | ||
| Q1 25 | $1.9B | $-942.2M | ||
| Q4 24 | $1.8B | $-1.1B | ||
| Q3 24 | $1.8B | $-573.8M | ||
| Q2 24 | $1.8B | $-190.8M | ||
| Q1 24 | $1.8B | $-147.7M |
| Q4 25 | $4.0B | $885.2M | ||
| Q3 25 | $4.1B | $328.2M | ||
| Q2 25 | $4.1B | $361.0M | ||
| Q1 25 | $4.0B | $263.3M | ||
| Q4 24 | $4.0B | $260.3M | ||
| Q3 24 | $4.0B | $216.8M | ||
| Q2 24 | $3.6B | $248.8M | ||
| Q1 24 | $3.5B | $155.7M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | 0.57× | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | 0.46× | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $184.6M | $-50.3M |
| Free Cash FlowOCF − Capex | $171.3M | $-75.2M |
| FCF MarginFCF / Revenue | 18.6% | -129.7% |
| Capex IntensityCapex / Revenue | 1.4% | 43.1% |
| Cash ConversionOCF / Net Profit | 2.04× | — |
| TTM Free Cash FlowTrailing 4 quarters | $441.3M | $-265.0M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $184.6M | $-50.3M | ||
| Q3 25 | $218.0M | $-65.9M | ||
| Q2 25 | $968.0K | $-66.1M | ||
| Q1 25 | $135.2M | $-28.9M | ||
| Q4 24 | $81.1M | $-42.7M | ||
| Q3 24 | $33.6M | $-44.4M | ||
| Q2 24 | $10.4M | $-26.3M | ||
| Q1 24 | — | $-40.5M |
| Q4 25 | $171.3M | $-75.2M | ||
| Q3 25 | $197.1M | $-82.7M | ||
| Q2 25 | $-32.1M | $-73.2M | ||
| Q1 25 | $104.9M | $-33.8M | ||
| Q4 24 | $56.8M | $-55.8M | ||
| Q3 24 | $3.3M | $-54.2M | ||
| Q2 24 | $-25.7M | $-32.6M | ||
| Q1 24 | — | $-44.5M |
| Q4 25 | 18.6% | -129.7% | ||
| Q3 25 | 20.7% | -271.1% | ||
| Q2 25 | -3.6% | -480.2% | ||
| Q1 25 | 10.8% | -323.6% | ||
| Q4 24 | 6.3% | -769.1% | ||
| Q3 24 | 0.4% | -6347.5% | ||
| Q2 24 | -3.0% | -3628.3% | ||
| Q1 24 | — | -674.4% |
| Q4 25 | 1.4% | 43.1% | ||
| Q3 25 | 2.2% | 55.2% | ||
| Q2 25 | 3.7% | 46.2% | ||
| Q1 25 | 3.1% | 47.0% | ||
| Q4 24 | 2.7% | 180.6% | ||
| Q3 24 | 3.4% | 1143.2% | ||
| Q2 24 | 4.2% | 695.9% | ||
| Q1 24 | — | 61.2% |
| Q4 25 | 2.04× | — | ||
| Q3 25 | 3.19× | — | ||
| Q2 25 | 0.02× | — | ||
| Q1 25 | 1.40× | -1.91× | ||
| Q4 24 | 0.71× | — | ||
| Q3 24 | 0.41× | — | ||
| Q2 24 | 0.15× | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ENS
| Energy Systems | $399.5M | 43% |
| Motive Power | $352.0M | 38% |
| Services | $92.6M | 10% |
| Transferred Over Time | $38.2M | 4% |
| Other | $36.8M | 4% |
EOSE
Segment breakdown not available.
