# HORIZON-CL5-2027-04-Two-Stage — Batteries And Mobility

**Funder:** Batteries (BATT4EU)
**Deadline:** 14 April 2027 (Two-stage call — pre-proposal deadline shown; see the call page for the full-proposal date)
**Consortium:** Required
**Official call:** https://www.era-learn.eu/network-information/networks/batteries/horizon-cl5-2027-04-two-stage-batteries-and-mobility
**Last updated:** 13 Sept 2026

## Eligibility & scope

HORIZON-CL5-2027-04-Two-Stage - BATTERIES and MOBILITY — joint transnational call by the Batteries (BATT4EU) European Partnership, listed on the ERA-LEARN joint-call calendar. Funded by national/regional agencies in participating countries; requires a transnational consortium. See the call page for

## Summary

This call funds transnational research consortia working on batteries and mobility, coordinated by the Batteries (BATT4EU) European Partnership and financed through national and regional funding agencies in participating countries. It suits research teams that can assemble a multi-country consortium ahead of the two-stage submission process, with pre-proposals due in April 2027.

## Who should apply

- Research teams and institutions able to form a transnational consortium
- Groups working on battery technology or mobility applications
- Applicants eligible under national/regional funding agency rules in participating countries
- Consortia prepared for a two-stage submission process

## Key dates

- Pre-proposal deadline: 14 April 2027 (two-stage call)
- Full-proposal deadline listed separately on the official call page

## Tips for applicants

- Because funding flows through national/regional agencies, check each participating country's eligibility rules for host institutions and cost categories before assembling your consortium.
- Confirm the full-proposal deadline and stage-two requirements on the official call page, since only the pre-proposal deadline is fixed at this stage.
- Start consortium partner searches early given the transnational requirement, partner eligibility varies by participating country.

## Frequently asked questions

### What is the HORIZON-CL5-2027-04-Two-Stage Batteries and Mobility call?

It is a joint transnational call on batteries and mobility run by the Batteries (BATT4EU) European Partnership, funded by national and regional agencies in participating countries.

### Who funds this call?

National and regional funding agencies in the participating countries fund the call, coordinated through the BATT4EU partnership rather than a single central budget.

### Do I need a consortium to apply?

Yes, a transnational consortium is required to apply to this call.

### When is the deadline for this call?

The pre-proposal deadline is 14 April 2027; this is a two-stage call, so check the call page for the full-proposal deadline.

### Is this a single funding pot or multiple national budgets?

Funding comes from multiple national and regional agencies in participating countries rather than a single EU-wide budget, consistent with joint transnational calls listed on ERA-LEARN.

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Source: [The Great Grantsby](https://grantsby.eu/grants/batteries-batt4eu-horizon-cl5-2027-04-two-stage-batteries-and-mobili) — EU grant monitoring for academic researchers. Always verify details on the funder's website before applying.

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