Proper Voltage, Inc.
PrivateLast 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.
Proper Voltage, Inc. Comparables
Compare Proper Voltage, Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Tanktwo | 75% | |
| Nuvation Energy | 72% | |
| Design Flux Technologies | 71% |
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Proper Voltage, Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | May 12, 2026 | ||||
| Early Funding | Feb 15, 2019 |
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Key People
Founding team and executive leadership
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Proper Voltage, Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Commonweal Ventures | Series A |
| TL Foundation | Series 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.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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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.