# Lucas batteries

> Lucas LC037 car battery: 12V, 36 Ah and 300 A starting power. Buy online with the final price incl. VAT, search by VIN and 14 days to return it.

**Category:** [Beginning](https://bateriasonline.es/en/) → [Battery brands](https://bateriasonline.es/en/battery-brands)

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- **Language**: en

## Description

36 Ah Lucas starter battery for small cars; check by VIN or vehicle model that it fits yours.

This is where you will find Lucas starter batteries for conventional and classic cars. They are 12 V lead-acid units for engines without Start-Stop. Use each product page to compare capacity, cold cranking, dimensions and polarity with the battery you already have.
Torn between two options? Start with the size: a battery that does not fit the tray is no use, however good it is.

## How to choose a Lucas battery for your car

Begin with the battery that comes out of the car. Its label tells you almost everything you need: voltage, capacity in Ah and cold cranking current. With those three figures and a tape measure, most of the decision is already made.

## The figures worth comparing

- **Capacity (Ah)**: equal to or slightly above the original. A few extra Ah give headroom if the car sits unused for weeks.
- **CCA (EN)**: the current it delivers in the cold. For diesel engines or cold regions, do not go below the original rating.
- **Dimensions**: length, width and height, plus the base ledge if the tray uses it as a clamp.
- **Polarity**: note which side the positive post sits on; if the cables do not reach, the battery will not work.

For cars without automatic engine shut-off, lead-acid is the right technology. If your car has Start-Stop, look at [Start-Stop AGM and EFB batteries](https://bateriasonline.es/en/start-stop-batteries-agm-efb) instead.

## Frequently asked questions

### Is a Lucas battery suitable for a classic car?

Yes, as long as voltage, size and polarity match. Many 12 V classics use conventional formats; older ones run on 6 V and need a different battery. See the options in [classic car batteries](https://bateriasonline.es/en/classic-car-batteries).

### What if the car stands still for long periods?

A starter battery slowly loses charge even when it is not used. A maintainer connected over winter stops it dropping too low; you will find them under [battery chargers](https://bateriasonline.es/en/battery-chargers).

### What else should I know about Lucas?

The [Lucas brand page](https://bateriasonline.es/en/lucas-batteries) sums up its background and technology.

## Products in this category

| Product | Brand | Price |
|---|---|---|
| [Lucas LC037 · Car battery 12V 36Ah 300A](https://bateriasonline.es/en/lucas-lc037) | Lucas | 112,90 € |

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*bateriasonline.es — Batteries and accessories · 2026-11-10*