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Eos Energy Enterprises vs Ultralife: EOSE and ULBI compared
Eos Energy Enterprises is the larger company: $82.7M of revenue in its latest quarter (Q3 2026) against $48.3M for Ultralife (Q3 2026). Eos Energy Enterprises is growing faster (+171% against +11% a year earlier). Ultralife is more profitable, with an operating margin of 6.6% against -95.9%.
Where the money goes: EOSE and ULBI
Eos Energy Enterprises (EOSE) · Q3 2026
Eos Energy Enterprises, Q3 2026: revenue $82.7M (+171% year over year), operating margin -95.9%, net earnings $125M, operating cash flow −$69.8M. The chart follows the revenue to costs, profit and cash.
Ultralife (ULBI) · Q3 2026
Ultralife, Q3 2026: revenue $48.3M (+11% year over year), operating margin 6.6%, net earnings $2.4M, operating cash flow −$2.9M. The chart follows the revenue to costs, profit and cash.
| Eos Energy Enterprises (EOSE) | Ultralife (ULBI) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $82.7M | $48.3M |
| Revenue growth, Y/Y | +171% | +11% |
| Gross margin | — | 27.5% |
| Operating margin | -95.9% | 6.6% |
| Net earnings | $125M | $2.4M |
| Net margin | 151.1% | 4.9% |
| Operating cash flow | −$69.8M | −$2.9M |
Where the revenue comes from
Ultralife
- Battery & Energy Products Segment: $45.1M (93%)
- Communications Systems Segment: $3.2M (7%)
Questions
Which is bigger, Eos Energy Enterprises or Ultralife?
Eos Energy Enterprises is the larger company: $82.7M of revenue in its latest quarter (Q3 2026) against $48.3M for Ultralife (Q3 2026).
Is Eos Energy Enterprises or Ultralife growing faster?
Eos Energy Enterprises is growing faster (+171% against +11% a year earlier).
Which is more profitable, Eos Energy Enterprises or Ultralife?
Ultralife is more profitable, with an operating margin of 6.6% against -95.9%.
More: Eos Energy Enterprises earnings · how Eos Energy Enterprises makes money · Ultralife earnings · how Ultralife makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 5, 2026; 10-Q filed Nov 5, 2026). Fiscal quarters can end on different dates. Not investment advice.