PolyJoule
PrivateLast Round
Accelerator
Aug 14, 2024
Total Funding Raised
$1.03M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
PolyJoule is an energy storage company that develops conductive polymer battery technology for safe, sustainable, and long-lasting stationary energy storage applications.
Sector
Energy & Sustainability
Verticals
Energy Storage, Advanced Materials, Smart Grid
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
PolyJoule Comparables
Compare PolyJoule with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Urban Electric Power | 82% | |
| Ambri | 81% | |
| Alsym Energy | 81% | |
PolyJoule Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Accelerator | Aug 14, 2024 | ||||
| Grant | Feb 2, 2024 | ||||
| Grant | Aug 17, 2023 |
Key People
Founding team and executive leadership
PolyJoule Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| NYSERDA | Grant |
| The Jeremy and Hannelore Grantham Environmental Trust | Series A |
| Vinyl Institute | Grant |
| AWS Clean Energy Accelerator | Accelerator |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 25, 2026
Monthly visitors grew 91% MoM, reaching 4.8K.
- Jun 18, 2026
Monthly visitors increased 87% MoM.
PolyJoule Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about PolyJoule's valuation, stock price, and market status.