Key facts
- Blue Line Battery’s last known valuation is $7.5M (Jan 2025).
- 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).
- ·Post-money valuations for all 3 rounds
- ·The complete investor list — 12 names
- ·Watchlist + deal alerts for Blue Line Battery
Funding rounds
3 roundsAbout 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
- Website
- bluelinebattery.com/
- Ownership
- Privately Held (backing)
Blue Line Battery doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Blue Line Battery shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Blue Line Battery in its N-PORT filings yet. We sweep new filings monthly.