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PolyPlus Battery Company

PolyPlus Battery Company

Private
Berkeley, CaliforniaEnergy & Sustainabilityhttps://polyplus.com/

Last Round

Series A

Oct 1, 2023

Total Funding Raised

$37.14M

Company Overview

PolyPlus Battery Company is a battery technology company that develops advanced lithium-based battery systems, including protected lithium electrodes and high-energy-density solid-state batteries for various industrial and defense applications.

Sector

Energy & Sustainability

Verticals

Energy Storage, Advanced Materials, Electric Vehicles, Defense Tech

Business Model

B2B

Customer Profile

Hardware Sales, Government Contracts, Services & Consulting

AI Layer

Non-AI

Keywords

lithium metal batterysolid-state batteryprotected lithium electrodePLEenergy storage technologylithium-seawater batterynext-gen batterieshigh energy densitylithium-sulfur batterylithium-air batterybattery IP licensingadvanced materialssubsea poweraerospace energy storagebattery R&D

Historical Pricing

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Caplight Momentum Score

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PolyPlus Battery Company Comparables

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PolyPlus Battery Company comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Sion Power
84%
NexTech Batteries
79%
Li-S Energy Ltd
78%

PolyPlus Battery Company Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AOct 1, 2023
Convertible DebtMay 23, 2019
Corporate FundingFeb 18, 2019
GrantApr 3, 2017
GrantSep 1, 2015
Grant
Feb 6, 2013

PolyPlus Battery Company Investors

Notable investors and investment history

PolyPlus Battery Company investors
InvestorRounds
Office of Naval ResearchGrant
Belzberg & Co.Convertible Debt
Tao Capital PartnersSeries A
US Department of Energy (ARPA-E)Grant
Department of EnergyGrant

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 24, 2026

    Monthly visitors increased 487% MoM, reaching 3.6K.

  • Jan 1, 2026

    Monthly visitors increased 195% MoM, reaching 1.8K.

PolyPlus Battery Company Filings

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PolyPlus Battery Company filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about PolyPlus Battery Company's valuation, stock price, and market status.

Is PolyPlus Battery Company a public or private company?

PolyPlus Battery Company is a private company.

What is the current stock price of PolyPlus Battery Company?

PolyPlus Battery Company is a private company with no public stock price. No recent secondary market data is available.

How much is PolyPlus Battery Company worth (valuation)?

Valuation information for PolyPlus Battery Company is not publicly available.

Can I buy PolyPlus Battery Company stock?

PolyPlus Battery Company shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was PolyPlus Battery Company's last funding round?

PolyPlus Battery Company's most recent funding round was Series A on October 1, 2023.

Who are the main investors in PolyPlus Battery Company?

Key investors in PolyPlus Battery Company include Tao Capital Partners.

Will PolyPlus Battery Company IPO soon?

No public IPO plans have been announced for PolyPlus Battery Company.

How can I track PolyPlus Battery Company secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor PolyPlus Battery Company's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersBerkeley, California
Employee Range19
Year Founded1991
Last FundingOct 1, 2023

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