# AUXILIARY

> AGM auxiliary batteries for vehicles with advanced Start-Stop. Official warranty and 24-48 h delivery in mainland Spain and Portugal. Find yours by plate.

**Category:** [Start](https://baterias.com/gb/beginning)

- **Canonical URL**: https://baterias.com/gb/auxiliar
- **Language**: en-GB

## Description

**Auxiliary batteries**: quick access to our selection. Every reference is validated for capacity, cranking, polarity and dimensions. Enter your plate or the code of your current battery in the finder to see only compatible ones.

## Products in this category

| Product | Brand | Price |
|---|---|---|
| [Car battery Exide EK013 12V 1.2Ah 18A AGM](https://baterias.com/gb/battery-exide-ek013-12v-1-2ah) | EXIDE | 38,60 € |
| [Auxiliary battery Exide EK454 12V 45Ah 380A AGM](https://baterias.com/gb/battery-exide-ek454-12v-45ah) | EXIDE | 212,40 € |
| [Auxiliary battery Exide EK457 12V 45Ah 380A AGM](https://baterias.com/gb/battery-exide-ek457-12v-45ah) | EXIDE | 212,40 € |
| [Auxiliary battery Tudor TK454 12V 45Ah 380A AGM](https://baterias.com/gb/battery-tudor-tk454-12v-45ah) | TUDOR | 212,40 € |
| [Auxiliary battery Tudor TK457 12V 45Ah 380A AGM](https://baterias.com/gb/battery-tudor-tk457-12v-45ah) | TUDOR | 212,40 € |

## Technical team (editorial authorship)

The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — automotive battery specialists since 2012.

→ https://baterias.com/gb/technical-team

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*baterias.com — Automotive batteries · 2026-10-23*