Amprius Technologies (AMPX) is back in focus after reporting record Q1 2026 revenue of US$28.54 million, raising its full year sales outlook, and narrowing its net loss, even as cautious earnings guidance unsettled some investors.

At a latest share price of US$16.70, Amprius has swung sharply in recent sessions, with a 7 day share price return down 18.06% following its Q1 earnings and warrant exchange news. However, its 90 day share price return of 44.59% and very large 1 year total shareholder return hint that longer term momentum has been strong even as near term risk perceptions reset.

If Amprius's recent volatility has your attention, it could be a good moment to scan other high growth battery and grid players by checking out 36 power grid technology and infrastructure stocks

With the stock still trading below the average analyst price target and some investors reacting nervously to cautious earnings guidance, the key question is whether recent volatility has opened a window of value, or if the market is already pricing in future growth.

Most Popular Narrative: 13.2% Undervalued

At a last close of $16.70 against a narrative fair value of $19.25, the most followed view sees Amprius as undervalued, with that call built on aggressive growth and profitability assumptions discounted at 9.26%.

The industry's increasing need for lightweight, high-energy-density battery solutions (for drones, electric aviation, and next-gen vehicles) enables Amprius to maintain premium pricing and outperform on gross and net margins due to its demonstrated product performance advantages, evidenced by record energy density and recent customer wins (e.g., AALTO/Airbus and U.S. Army).

Ongoing investment in automation and manufacturing capacity (supported by government contracts like the $10.5M Defense Innovation Unit award) positions Amprius to capture a larger share of future high-margin opportunities in defense and critical infrastructure, enhancing both revenue visibility and earnings stability. Read the complete narrative.

Curious how this margin story ties into rapid revenue expansion and a rich future earnings multiple, all filtered through a 9.26% discount rate and a premium growth profile.

Result: Fair Value of $19.25 (UNDERVALUED)

However, this depends on successfully scaling complex silicon anode production and keeping aviation-focused demand on track, as contract delays or cost overruns could quickly challenge that optimism.

Another Lens On Valuation

Those bullish narratives are built on aggressive growth and margin assumptions, but the current P/S ratio of 26.2x stands far above the US Electrical industry at 2.8x, the peer average at 19.6x, and the fair ratio of 6.4x. That gap points to real valuation risk if sentiment cools.

For a closer look at what this pricing gap might mean in practice, and how it could close over time, See what the numbers say about this price — find out in our valuation breakdown.

Next Steps

With sentiment clearly split between caution and optimism, this is a moment to look through the numbers yourself and decide quickly where you stand, then weigh up the 3 key rewards and 3 important warning signs

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.