Insights

Strategic funding ReJoule has secured multiple rounds of funding including a $6.3M DOE grant and a $1M funding round, indicating validated interest from government and investors. This suggests potential for partnership or milestone-based collaborations tied to funded programs or grant-aligned projects.

Battery diagnostics value The company focuses on lab-grade battery health data extraction to optimize EV and energy storage lifecycle management. This positions ReJoule as a potential supplier or collaborator for telationships with OEMs, fleet operators, and battery recyclers seeking improved diagnostic insights and second-life considerations.

Prototyping momentum Recent launches of next generation battery module testers and prototypes signal a pipeline of test equipment and software offerings. Sales opportunities exist with battery manufacturers, testing labs, and R&D centers seeking cutting-edge diagnostics tools.

DOE and grant backed Significant DOE-backed grants and solar Grid workforce training initiatives imply potential access to public-sector and community-focused deployments. Opportunities may include government-funded pilot projects, training facilities, and workforce development programs that leverage ReJoule technology.

Growth with ecosystem Competitive landscape and partnerships with similar players and a small but growing team indicate room to expand through channel partnerships, system integrators, and collaboration with renewable energy developers to integrate battery health data into broader asset management platforms.

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ReJoule Tech Stack

ReJoule uses 8 technology products and services including MATLAB, HubSpot Analytics, AutoCAD, and more. Explore ReJoule's tech stack below.

Media & News

ReJoule's Email Address Formats

ReJoule uses at least 2 email formats:
ReJoule Email FormatsExamplePercentage
FLast@rejouleenergy.comJDoe@rejouleenergy.com
80%
First@rejouleenergy.comJohn@rejouleenergy.com
20%

Frequently Asked Questions

What is ReJoule's official website and social media links?

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ReJoule's official website is rejouleenergy.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does ReJoule generate?

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As of August 2026, ReJoule's annual revenue is estimated to be $1M - $10M.

What is ReJoule's NAICS code?

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ReJoule's NAICS code is 335 - Electrical Equipment, Appliance, and Component Manufacturing.

How many employees does ReJoule have currently?

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As of August 2026, ReJoule has approximately 16 employees across 3 continents, including North America, Asia and Europe. Key team members include Trading Manager: J. S. and Board Advisor: N. B. Explore ReJoule's employee directory with LeadIQ.

What industry does ReJoule belong to?

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ReJoule operates in the Appliances, Electrical, and Electronics Manufacturing industry.

What technology does ReJoule use?

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ReJoule's tech stack includes MATLAB, HubSpot Analytics, AutoCAD, SOLIDWORKS, Squarespace, WordPress, Squarespace Commerce and Google Workspace.

What is ReJoule's email format?

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ReJoule's email format typically follows the pattern of FLast@rejouleenergy.com. Find more ReJoule email formats with LeadIQ.

How much funding has ReJoule raised to date?

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As of August 2026, ReJoule has raised $22M in funding. The last funding round occurred on Oct 31, 2024 for $6.3M.

When was ReJoule founded?

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ReJoule was founded in 2017.
ReJoule logo

ReJoule

Appliances, Electrical, and Electronics ManufacturingCalifornia, United States11-50 Employees

ReJoule, based in Signal Hill, California, operates in the appliances, electrical, and electronics manufacturing sector with a focus on battery diagnostics. The company aims to extract health data from lithium-ion batteries that is typically accessible only in laboratory settings, enabling more efficient design and lifecycle management for electric vehicles and battery energy storage systems. Its work supports customers seeking to maximize battery value and streamline end-to-end battery life cycles, addressing the growing need for sustainable battery waste management and improved reuse of used cells. ReJoule positions itself at the intersection of diagnostics and energy storage, offering data-driven insights that can influence how batteries are tested, graded, and repurposed. The organization appears to operate with a relatively small, specialized team, reflecting its niche focus within the broader clean energy and electronics manufacturing landscape. A notable recent development includes recognition for its electric vehicle testing technology, highlighting ongoing progress in its test and evaluation capabilities.

Section iconCompany Overview

NAICS Code
335 - Electrical Equipment, Appliance, and Component Manufacturing
Founded
2017
Employees
11-50

Section iconFunding & Financials

  • $22M

    ReJoule has raised a total of $22M of funding over 11 rounds. Their latest funding round was raised on Oct 31, 2024 in the amount of $6.3M as a Grant.

  • $1M - $10M

    ReJoule's revenue is estimated to be in the range of $1M - $10M

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