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Side-by-side financial comparison of Amprius Technologies, Inc. (AMPX) and ENERGIZER HOLDINGS, INC. (ENR). Click either name above to swap in a different company.

ENERGIZER HOLDINGS, INC. is the larger business by last-quarter revenue ($778.9M vs $25.2M, roughly 30.9× Amprius Technologies, Inc.). ENERGIZER HOLDINGS, INC. runs the higher net margin — -0.4% vs -96.7%, a 96.2% gap on every dollar of revenue. On growth, Amprius Technologies, Inc. posted the faster year-over-year revenue change (137.4% vs 6.5%). ENERGIZER HOLDINGS, INC. produced more free cash flow last quarter ($124.2M vs $-5.9M). Over the past eight quarters, Amprius Technologies, Inc.'s revenue compounded faster (228.7% CAGR vs 8.4%).

Amprius Technologies, Inc. develops and manufactures high-energy density lithium-ion batteries using proprietary silicon anode technology. It serves aerospace, defense, electric mobility, and portable electronics segments, offering products with longer runtime and faster charging than conventional alternatives.

Energizer Holdings, Inc. is an American manufacturer and one of the world's largest manufacturers of batteries, headquartered in Clayton, Missouri. It produces batteries under the Energizer, Ray-O-Vac, Varta, and Eveready brand names and formerly owned several personal care businesses until it separated that side of the business into a new company called Edgewell Personal Care in 2015.

AMPX vs ENR — Head-to-Head

Bigger by revenue
ENR
ENR
30.9× larger
ENR
$778.9M
$25.2M
AMPX
Growing faster (revenue YoY)
AMPX
AMPX
+130.9% gap
AMPX
137.4%
6.5%
ENR
Higher net margin
ENR
ENR
96.2% more per $
ENR
-0.4%
-96.7%
AMPX
More free cash flow
ENR
ENR
$130.1M more FCF
ENR
$124.2M
$-5.9M
AMPX
Faster 2-yr revenue CAGR
AMPX
AMPX
Annualised
AMPX
228.7%
8.4%
ENR

Income Statement — Q4 2025 vs Q1 2026

Metric
AMPX
AMPX
ENR
ENR
Revenue
$25.2M
$778.9M
Net Profit
$-24.4M
$-3.4M
Gross Margin
23.6%
32.9%
Operating Margin
-100.9%
-0.6%
Net Margin
-96.7%
-0.4%
Revenue YoY
137.4%
6.5%
Net Profit YoY
-113.6%
-115.2%
EPS (diluted)
$-0.19

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.

Revenue
AMPX
AMPX
ENR
ENR
Q4 25
$25.2M
$778.9M
Q3 25
$21.4M
$832.8M
Q2 25
$15.1M
$725.3M
Q1 25
$11.3M
$662.9M
Q4 24
$10.6M
$731.7M
Q3 24
$7.9M
$805.7M
Q2 24
$3.3M
$701.4M
Q1 24
$2.3M
$663.3M
Net Profit
AMPX
AMPX
ENR
ENR
Q4 25
$-24.4M
$-3.4M
Q3 25
$-3.9M
$34.9M
Q2 25
$-6.4M
$153.5M
Q1 25
$-9.4M
$28.3M
Q4 24
$-11.4M
$22.3M
Q3 24
$-10.8M
$47.6M
Q2 24
$-12.5M
$-43.8M
Q1 24
$-9.9M
$32.4M
Gross Margin
AMPX
AMPX
ENR
ENR
Q4 25
23.6%
32.9%
Q3 25
15.5%
36.6%
Q2 25
8.9%
55.1%
Q1 25
-20.9%
39.1%
Q4 24
-21.2%
36.8%
Q3 24
-64.9%
38.1%
Q2 24
-195.2%
39.5%
Q1 24
-190.3%
38.2%
Operating Margin
AMPX
AMPX
ENR
ENR
Q4 25
-100.9%
-0.6%
Q3 25
-21.9%
6.4%
Q2 25
-45.2%
22.6%
Q1 25
-85.7%
5.5%
Q4 24
-110.6%
4.1%
Q3 24
-143.3%
7.4%
Q2 24
-386.6%
-8.2%
Q1 24
-441.7%
6.4%
Net Margin
AMPX
AMPX
ENR
ENR
Q4 25
-96.7%
-0.4%
Q3 25
-18.2%
4.2%
Q2 25
-42.3%
21.2%
Q1 25
-83.0%
4.3%
Q4 24
-107.4%
3.0%
Q3 24
-138.1%
5.9%
Q2 24
-374.2%
-6.2%
Q1 24
-423.2%
4.9%
EPS (diluted)
AMPX
AMPX
ENR
ENR
Q4 25
$-0.19
Q3 25
$-0.03
Q2 25
$-0.05
Q1 25
$-0.08
Q4 24
$-0.11
Q3 24
$-0.10
Q2 24
$-0.13
Q1 24
$-0.11

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AMPX
AMPX
ENR
ENR
Cash + ST InvestmentsLiquidity on hand
$90.5M
$214.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$103.8M
$141.3M
Total Assets
$156.9M
$4.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPX
AMPX
ENR
ENR
Q4 25
$90.5M
$214.8M
Q3 25
$73.2M
$236.2M
Q2 25
$54.2M
$171.1M
Q1 25
$48.4M
$139.3M
Q4 24
$55.2M
$195.9M
Q3 24
$35.0M
$216.9M
Q2 24
$46.4M
$146.7M
Q1 24
$39.0M
$158.1M
Total Debt
AMPX
AMPX
ENR
ENR
Q4 25
Q3 25
$3.4B
Q2 25
$3.2B
Q1 25
$3.2B
Q4 24
$3.1B
Q3 24
$3.2B
Q2 24
$3.2B
Q1 24
$3.2B
Stockholders' Equity
AMPX
AMPX
ENR
ENR
Q4 25
$103.8M
$141.3M
Q3 25
$103.2M
$169.9M
Q2 25
$76.7M
$183.2M
Q1 25
$70.4M
$133.9M
Q4 24
$69.5M
$140.6M
Q3 24
$56.0M
$135.8M
Q2 24
$65.1M
$123.4M
Q1 24
$59.9M
$191.3M
Total Assets
AMPX
AMPX
ENR
ENR
Q4 25
$156.9M
$4.4B
Q3 25
$156.5M
$4.6B
Q2 25
$123.0M
$4.5B
Q1 25
$118.5M
$4.2B
Q4 24
$121.1M
$4.2B
Q3 24
$104.2M
$4.3B
Q2 24
$112.8M
$4.2B
Q1 24
$104.7M
$4.3B
Debt / Equity
AMPX
AMPX
ENR
ENR
Q4 25
Q3 25
20.28×
Q2 25
17.57×
Q1 25
23.56×
Q4 24
22.17×
Q3 24
23.51×
Q2 24
26.04×
Q1 24
16.86×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AMPX
AMPX
ENR
ENR
Operating Cash FlowLast quarter
$-3.5M
$149.5M
Free Cash FlowOCF − Capex
$-5.9M
$124.2M
FCF MarginFCF / Revenue
-23.2%
15.9%
Capex IntensityCapex / Revenue
9.3%
3.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-35.5M
$145.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPX
AMPX
ENR
ENR
Q4 25
$-3.5M
$149.5M
Q3 25
$-9.2M
$61.5M
Q2 25
$-4.3M
$21.4M
Q1 25
$-14.1M
$-12.8M
Q4 24
$-6.1M
$77.0M
Q3 24
$-9.5M
$168.9M
Q2 24
$-8.0M
$45.8M
Q1 24
$-9.8M
$36.8M
Free Cash Flow
AMPX
AMPX
ENR
ENR
Q4 25
$-5.9M
$124.2M
Q3 25
$-9.7M
$46.7M
Q2 25
$-5.0M
$7.9M
Q1 25
$-15.0M
$-33.8M
Q4 24
$-9.7M
$42.4M
Q3 24
$-10.9M
$141.5M
Q2 24
$-9.6M
$27.3M
Q1 24
$-13.7M
$10.3M
FCF Margin
AMPX
AMPX
ENR
ENR
Q4 25
-23.2%
15.9%
Q3 25
-45.1%
5.6%
Q2 25
-33.1%
1.1%
Q1 25
-133.3%
-5.1%
Q4 24
-91.4%
5.8%
Q3 24
-138.3%
17.6%
Q2 24
-285.9%
3.9%
Q1 24
-585.4%
1.6%
Capex Intensity
AMPX
AMPX
ENR
ENR
Q4 25
9.3%
3.2%
Q3 25
1.9%
1.8%
Q2 25
4.8%
1.9%
Q1 25
8.1%
3.2%
Q4 24
34.1%
4.7%
Q3 24
17.0%
3.4%
Q2 24
48.0%
2.6%
Q1 24
166.8%
4.0%
Cash Conversion
AMPX
AMPX
ENR
ENR
Q4 25
Q3 25
1.76×
Q2 25
0.14×
Q1 25
-0.45×
Q4 24
3.45×
Q3 24
3.55×
Q2 24
Q1 24
1.14×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AMPX
AMPX

Segment breakdown not available.

ENR
ENR

Alkaline Batteries$666.5M86%
Auto Care$93.7M12%
Lights$18.7M2%

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