Back to Battery offers a solution to these issues through their proprietary hydrometallurgical process.
Back to Battery has raised €350k across 2 funding rounds from 2 investors, most recently a Debt round in Nov 2025. Based in Limburg, Netherlands; active in Energy. Data as of 7 Aug 2026.
Timing: in window vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
| Date |
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| Stage |
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| Amount |
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| Investors |
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| 2025-11-03 | Debt | €350k | UNIIQ’s Early Phase Financing program | View deal → |
| 2025-04-22 | Other | — | Graduate Entrepreneur | View deal → |
