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Proper Voltage, Inc.

Proper Voltage, Inc.

Private
Carlsbad, CaliforniaEnergy & Sustainabilityhttps://propervoltage.com

Last Round

Series A

May 12, 2026

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Proper Voltage, Inc. operates in Energy & Sustainability and is based in Carlsbad, California. It was founded in 2019.

Proper Voltage, Inc. is an electronics company that develops a battery operating system intended to shorten a device's charge time and make advanced battery technology universally compatible.

Sector

Energy & Sustainability

Verticals

Energy Storage, Defense Tech, Industrial Robotics, Computing Hardware, Energy Management

Business Model

B2B

Customer Profile

Hardware + Subscription, Hardware Sales, Government Contracts, Services & Consulting

AI Layer

Application

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Proper Voltage, Inc. Comparables

Compare Proper Voltage, Inc. with similar companies based on industry and business-model similarity.

Proper Voltage, Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Tanktwo
75%
Nuvation Energy
72%
Design Flux Technologies
71%
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Proper Voltage, Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AMay 12, 2026
Early FundingFeb 15, 2019
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Key People

Founding team and executive leadership

Charles Welch

Founder & CEO

Founding Team

David Felzer

CTO

Executive Team

Greg Slawson

Chief Operating Officer

Executive Team

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Proper Voltage, Inc. Investors

Notable investors and investment history

Proper Voltage, Inc. investors
InvestorRounds
Commonweal VenturesSeries A
TL FoundationSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 12, 2026

    Launched a new 'Robotics' product line with a dedicated Head of Programs.

  • Jul 12, 2026

    Critical Power portfolio, including UPS and BESS, moving into customer deployment.

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Recent news

Latest coverage and updates

  • is_developingOct 13, 2026

    On Oct 13th '26, Proper Voltage Inc. partners with Echion Technologies to co-develop the 1.6MW VaultX UPS platform, which integrates Echion’s XNO battery technology into Proper Voltage’s 480V and 800V systems for AI data centers.

  • is_developingOct 12, 2026

    Proper Voltage Inc. is developing the VaultX Uninterruptible Power Supply (UPS) platform with Echion Technologies under a non-binding MoU, integrating Echion’s XNO battery technology into its Vault system for AI data centers on Oct 12th '26.

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Proper Voltage, Inc. Filings

Explore SEC and related filing metadata, where available.

Proper Voltage, Inc. filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Proper Voltage, Inc.'s valuation, stock price, and market status.

Is Proper Voltage, Inc. a public or private company?

Proper Voltage, Inc. is a private company.

What is the current stock price of Proper Voltage, Inc.?

Proper Voltage, Inc. is a private company, so its shares have no public market price. Caplight tracks Proper Voltage, Inc.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Proper Voltage, Inc. worth (valuation)?

Valuation information for Proper Voltage, Inc. is not publicly available.

Can I buy Proper Voltage, Inc. stock?

Proper Voltage, Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Proper Voltage, Inc.'s last funding round?

Proper Voltage, Inc.'s most recent funding round was Series A on May 12, 2026.

Who are the main investors in Proper Voltage, Inc.?

Key investors in Proper Voltage, Inc. include Commonweal Ventures, TL Foundation.

Will Proper Voltage, Inc. IPO soon?

No public IPO plans have been announced for Proper Voltage, Inc..

How can I track Proper Voltage, Inc. secondary market activity?

Caplight tracks bids, offers, and trades in Proper Voltage, Inc.'s shares on secondary markets.

Firmographic Details

HeadquartersCarlsbad, California
Employee Range43
Year Founded2019
Last FundingMay 12, 2026

Institutional Data Access

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