Compare

Elong Power Holding Ltd. vs ESS Tech, Inc. vs Advent Technologies Holdings, Inc. vs Polar Power, Inc.

Latest annual figures from SEC filings. Each company is shown for its own most recent fiscal year, so period ends can differ. Select a figure to see its full history.

Latest fiscal yearElong Power Holding Ltd.
ELPW
ESS Tech, Inc.
GWH
Advent Technologies Holdings, Inc.
ADNHLast annual report: year ended 2024-12-31
Polar Power, Inc.
POLA
Year ended2025-12-312025-12-312024-12-312025-12-31
Revenue$2.05M$1.58M$3.28M$6.30M
Revenue growth (YoY)+430.7%-74.9%+113.3%-54.9%
Gross margin4.0%n/m54.6%-50.1%
Operating margin-71.8%n/m-560.7%-133.6%
Net margin-271.3%n/mn/m-144.9%
Net income-$5.57M-$63.44M-$40.99M-$9.13M
EPS (Diluted)-$143.18-$4.34-$15.65-$3.59
Operating cash flow-$2.66M-$50.28M$1.40M-$1.06M
Free cash flow-$2.83M-$53.67Mn/an/a
Cash & equivalents$443.7K$14.48M$381.0K$200.0K
Total assets$27.74M$51.17M$8.01M$10.44M
Total liabilities$50.49M$42.55M$29.30M$10.29M
Shareholders' equity-$22.74M$8.62M-$21.30M$144.0K
Return on year-end equityn/a-736.1%n/an/m
Shares outstandingn/a22.38M2.64M2.68M

n/a means the company did not report that line under the concept TickerFacts maps, not that it is zero.

Revenue, most recent five fiscal years

Fiscal yearElong Power Holding Ltd.ESS Tech, Inc.Advent Technologies Holdings, Inc.Polar Power, Inc.
Latest$2.05M
Ended 2025-12-31
$1.58M
Ended 2025-12-31
$3.28M
Ended 2024-12-31
$6.30M
Ended 2025-12-31
1 year earlier$386.9K
Ended 2024-12-31
$6.29M
Ended 2024-12-31
$1.54M
Ended 2023-12-31
$13.97M
Ended 2024-12-31
2 years earlier$3.16M
Ended 2023-12-31
$7.54M
Ended 2023-12-31
$7.84M
Ended 2022-12-31
$15.29M
Ended 2023-12-31
3 years earlier$6.82M
Ended 2022-12-31
$894.0K
Ended 2022-12-31
$7.07M
Ended 2021-12-31
$16.06M
Ended 2022-12-31
4 years earliern/a$0
Ended 2021-12-31
$882.7K
Ended 2020-12-31
$16.90M
Ended 2021-12-31