# Ritar RA12-225B · Motorhome battery 12V 238Ah

![Ritar RA12-225B · Motorhome battery 12V 238Ah](https://bateriasonline.es/3343-home_default/ritar-ra12-225b.jpg)

> Ritar RA12-225B: 238 Ah motorhome battery, 522×240×240 mm, AGM. VAT included and shipping cost shown before you pay.

**Category:** [Leisure batteries for motorhomes and caravans](https://bateriasonline.es/en/leisure-batteries-motorhome-caravan) → [Ritar](https://bateriasonline.es/en/ritar-batteries)

- **Canonical URL**: https://bateriasonline.es/en/ritar-ra12-225b
- **Language**: en
- **Brand**: Ritar
- **Reference**: BOL-RITAR-RA12-225B
- **MPN**: RA12-225B
- **Price**: 636,71 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Ritar |
| Range | RITAR RA |
| Application | Motorhomes and caravans |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 238 Ah |
| Length | 522 mm |
| Width | 240 mm |
| Height | 240 mm |
| Weight | 63 kg |
| Terminal type | M8 |

## Quick description

The Ritar RA12-225B is a motorhome battery with 12 V and 238 Ah, measuring 522 × 240 × 240 mm.

## Description

## The Ritar RA12-225B at a glance

The Ritar RA12-225B is a leisure battery for motorhomes and caravans: it powers fridge, lights, water pump and heating for days without starting the engine. Unlike the starter battery, it takes slow, deep discharges night after night.
The RA12-225B belongs to the Ritar RITAR RA range. [The full range of Ritar batteries](https://bateriasonline.es/en/ritar-batteries)

## Equivalents and alternatives to the Ritar RA12-225B

No other reference in the catalogue fully matches the dimensions and polarity of the RA12-225B; you will find the closest ones among our [leisure batteries for motorhomes and caravans](https://bateriasonline.es/en/leisure-batteries-motorhome-caravan).

## Ritar RA12-225B vs RA12-240A, EV12-240 and RA12-200A: which one to choose?

How the RA12-225B compares with Ritar batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Ritar RA12-225B (this one) | 238 Ah | 522 × 240 × 240 | 63 kg |
| Ritar RA12-240A | 254 Ah | 522 × 240 × 224 | 43.7 kg |
| Ritar EV12-240 | 240 Ah | 522 × 240 × 224 | 65 kg |
| Ritar RA12-200A | 212 Ah | 522 × 240 × 224 | 55.5 kg |

- Ritar RA12-240A: 16 Ah more, a different case (522 × 240 × 224 mm).
- Ritar EV12-240: 2 Ah more, a different height (224 mm instead of 240 mm). It is the option if your battery tray cannot take the 240 mm height of the RA12-225B.
- Ritar RA12-200A: 26 Ah less, a different case (522 × 240 × 224 mm).

## What it means that the RA12-225B is AGM

The RA12-225B is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the RA12-225B can be fitted in the boot or under a seat with no risk of spills.

## Check this before ordering the Ritar RA12-225B

- Measure the space: the RA12-225B takes up 522 × 240 × 240 mm.
- With 238 Ah, the RA12-225B replaces an original battery of that capacity or slightly less.

## Ritar RA12-225B codes and part numbers

Look for any of these RA12-225B codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | RA12-225B |
|---|---|
| Terminal type | M8 |

## Frequently asked questions about the Ritar RA12-225B

### Ritar RA12-225B or RA12-240A?

Compared with the RA12-225B, the Ritar RA12-240A has 16 Ah more. With 254 Ah, the RA12-240A runs longer between charges than the RA12-225B (238 Ah). Mind the space: the RA12-240A measures 522 × 240 × 224 mm.

### Ritar RA12-225B or EV12-240: what changes?

Mainly the height: the RA12-225B is 240 mm tall and the Ritar EV12-240 224 mm, with the same length and width and 240 Ah against 238 Ah. Before choosing between the RA12-225B and the EV12-240, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Ritar RA12-225B weigh?

The RA12-225B weighs 63 kg. For reference, the Ritar RA12-240A (254 Ah) weighs 43.7 kg.

### Which charger does the Ritar RA12-225B need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

## Other options if you are unsure about the RA12-225B

- [More leisure batteries for motorhomes and caravans](https://bateriasonline.es/en/leisure-batteries-motorhome-caravan)
- [Full Ritar catalogue](https://bateriasonline.es/en/ritar-batteries)

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