Proper Voltage: Funding, Investors & Team (Oct 2026)
Proper Voltage's Battery Operating System (bOS) is the universal integration layer enabling sodium-ion, LTO, lithium-silicon, niobium titanate, and other emerging chemistries to work in critical infrastructure. Like an operating system for batteries, bOS handles voltage adaptation, real-time optimization, and chemistry-specific management so data centers, defense systems, and industrial facilities can adopt any chemistry without redesign. By decoupling battery chemistry from product design, Proper Voltage allows manufacturers to adopt the best-performing batteries regardless of voltage, without costly redesigns or long integration cycles. Our proprietary system delivers constant voltage output, adaptive charging profiles, and software-defined power optimization, enabling compact, safe, and high-performance battery systems across industrial and consumer segments.
Proper Voltage has raised $6.5M across 1 funding round on record, the most recent an undisclosed round of $6.5M announced in May 2026.
That round is below the $15M median round size for Energy companies tracked on FundedIQ over the last two years.
Proper Voltage Company Profile and Key Stats
Latest funding round on record: May 2026.
Proper Voltage Funding Rounds
Proper Voltage Founders and Leadership Team
Contact details for the Proper Voltage team: 1 of 1 has an email address on file, 1 has a LinkedIn profile.
Start 14-day free trial →Proper Voltage Funding Compared to Other Energy Startups
Proper Voltage's latest round of $6.5M is below the median round in Energy. Medians cover the last 24 months of disclosed rounds.
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Proper Voltage Funding FAQs
What does Proper Voltage do?
Proper Voltage's Battery Operating System (bOS) is the universal integration layer enabling sodium-ion, LTO, lithium-silicon, niobium titanate, and other emerging chemistries to work in critical infrastructure. Like an operating system for batteries, bOS handles voltage adaptation, real-time optimization, and chemistry-specific management so data centers, defense systems, and industrial facilities can adopt any chemistry without redesign. By decoupling battery chemistry from product design, Proper Voltage allows manufacturers to adopt the best-performing batteries regardless of voltage, without costly redesigns or long integration cycles. Our proprietary system delivers constant voltage output, adaptive charging profiles, and software-defined power optimization, enabling compact, safe, and high-performance battery systems across industrial and consumer segments.
How much funding has Proper Voltage raised?
Proper Voltage has raised $6.5M across 1 round on record. The most recent is an undisclosed round of $6.5M announced in May 2026.
When did Proper Voltage last raise funding?
Proper Voltage's most recent funding round on record is an undisclosed round of $6.5M, announced in May 2026.
Who founded Proper Voltage?
FundedIQ lists Charles Welch (Founder) at Proper Voltage.
Where is Proper Voltage headquartered?
Proper Voltage is based in Carlsbad, California, United States.
How many employees does Proper Voltage have?
Proper Voltage is in the 11-50 employee band.
How does Proper Voltage's funding compare to other Energy startups?
Proper Voltage's latest round of $6.5M is below the $15M median round size for Energy companies on FundedIQ across 2,284 tracked companies over the last two years.
About FundedIQ's Proper Voltage Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Proper Voltage is left off this page rather than filled in.
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