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Blue Line Battery

Beloit, WI · Founded 2015 · Privately Held (backing)

Manufacturer of lithium-ion batteries designed for multiple and varied industrial applications. Blue Line Battery is based in Beloit, WI and was founded in 2015. It was valued at $7.5 million at its seed round in Jan 2025, the last priced event on record. It has raised $8.4 million across 3 recorded rounds; the latest was a $2.6 million seed round in Oct 2024.

PMV mark · valuation
$7.5M
Oct 2026
Priced at
its seed round
Jan 2025
Total raised
$8.4M
Last round
Seed Round
Oct 2024

Blue Line Battery key facts

as of Oct 2026
  • Manufacturer of lithium-ion batteries designed for multiple and varied industrial applications.
  • Blue Line Battery is valued at approximately $7.5M as of Oct 2026, set at its seed round, Jan 2025; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $8.4M across 3 recorded rounds; the latest was Seed Round ($2.6M) in Oct 2024.
  • Notable investors include Plug and Play Tech Center, Greentown Labs, gBETA, Lancaster Investments, BrightStar Wisconsin Foundation — 12 tracked in total.
  • Blue Line Battery has filed 5 Form Ds with the SEC since 2020, most recently Jan 2025 ($2.6M sold to 12 investors).
  • Status: Privately Held (backing).
PrivateMarketView mark
LOW confidence
$7.5M

Valued at $7.5M at its seed round, Jan 2025. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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Blue Line Battery funding rounds

3 rounds
Oct 2024Seed Round$2.6MSEC filing▮
Nov 2021Seed Round$4.3MSEC filing▮
Mar 2020Seed Round$1.5MSEC filing▮
Full funding history →

Blue Line Battery valuation

Blue Line Battery was valued at $7.5 million at its seed round in Jan 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Blue Line Battery raised?

Blue Line Battery has raised $8.4 million across 3 recorded rounds since 2020. The largest was a $4.3 million seed round in Nov 2021; the most recent was a $2.6 million seed round in Oct 2024.

Blue Line Battery has filed 5 Form Ds with the SEC since 2020, most recently in Jan 2025 ($2.6 million sold to 12 investors).

Blue Line Battery investors

12 investors are on record for Blue Line Battery, including Plug and Play Tech Center, Greentown Labs, gBETA and Lancaster Investments. The seed round in Oct 2024 drew 12 investors.

About Blue Line Battery

Manufacturer of lithium-ion batteries designed for multiple and varied industrial applications. The company offers water- and impact-resistant batteries for applications such as electric bikes, power storage, remote controls, and industrial purposes, enabling companies to meet and fulfill motive power and stationary energy storage needs.

Sector
Business Products and Services (B2B)
HQ
Beloit, WI, United States
Founded
2015
Employees
13
Ownership
Privately Held (backing)

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