# Q-Battery 12SEM-137 · Motorhome battery 12V 137Ah

![Q-Battery 12SEM-137 · Motorhome battery 12V 137Ah](https://bateriasonline.es/3474-home_default/q-battery-12sem-137.jpg)

> Q-Battery 12SEM-137: 137 Ah motorhome battery, 513×189×223 mm. VAT included, shipping cost shown before you pay, 14-day returns.

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

- **Canonical URL**: https://bateriasonline.es/en/q-battery-12sem-137
- **Language**: en
- **Brand**: Q-Battery
- **Reference**: BOL-QBATTERY-12SEM-137
- **MPN**: 12SEM-137
- **Price**: 357,41 € (VAT incl., Spain)
- **Last updated**: 2026-11-07

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Q-Battery |
| Range | SEMITRACTION BATTERY |
| Application | Motorhomes and caravans |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 137 Ah |
| Length | 513 mm |
| Width | 189 mm |
| Height | 223 mm |
| Weight | 37.4 kg |
| Terminal layout | 3 |
| Terminal type | A-Pole |

## Quick description

The Q-Battery 12SEM-137 is a motorhome battery with 12 V and 137 Ah, measuring 513 × 189 × 223 mm.

## Description

## The Q-Battery 12SEM-137 at a glance

The Q-Battery 12SEM-137 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 12SEM-137 belongs to the Q-Battery SEMITRACTION BATTERY range. [See all Q-Battery batteries](https://bateriasonline.es/en/q-battery-batteries)

## Inside the 12SEM-137: lead-acid technology

The 12SEM-137 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. Avoid leaving them discharged, as they sulphate, and charge them with a charger that cuts off or switches to maintenance when finished.

## Q-Battery 12SEM-137 vs 12SEM-180 and 12SEM-120: differences

Torn between the 12SEM-137 and another similar Q-Battery? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Q-Battery 12SEM-137 (this one) | 137 Ah | 513 × 189 × 223 | 37.4 kg |
| Q-Battery 12SEM-180 | 180 Ah | 513 × 224 × 225 | 48.6 kg |
| Q-Battery 12SEM-120 | 120 Ah | 347 × 175 × 234 | 29.9 kg |

- Q-Battery 12SEM-180: 43 Ah more, a different case (513 × 224 × 225 mm).
- Q-Battery 12SEM-120: 17 Ah less, a different case (347 × 175 × 234 mm).

## Equivalents and alternatives to the Q-Battery 12SEM-137

No other reference in the catalogue fully matches the dimensions and polarity of the 12SEM-137; you will find the closest ones among our [leisure batteries for motorhomes and caravans](https://bateriasonline.es/en/leisure-batteries-motorhome-caravan).

## Q-Battery 12SEM-137 codes and part numbers

The 12SEM-137 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | 12SEM-137 |
|---|---|
| Terminal type | A-Pole |
| Not to be confused with | Q-Battery 12SEM-135 (135 Ah, positive terminal on the right) |

## What to look at before buying the 12SEM-137

- Your current battery should say about 137 Ah; a little more is also fine.
- Length, width and height of the 12SEM-137: 513 × 189 × 223 mm.

## Frequently asked questions about the Q-Battery 12SEM-137

### Q-Battery 12SEM-137 or 12SEM-180?

Compared with the 12SEM-137, the Q-Battery 12SEM-180 has 43 Ah more. With 180 Ah, the 12SEM-180 runs longer between charges than the 12SEM-137 (137 Ah). Mind the space: the 12SEM-180 measures 513 × 224 × 225 mm.

### How much does the Q-Battery 12SEM-137 weigh?

The 12SEM-137 weighs 37.4 kg. For reference, the Q-Battery 12SEM-180 (180 Ah) weighs 48.6 kg.

### What are the dimensions and weight of the Q-Battery 12SEM-137?

It measures 513 × 189 × 223 mm and weighs 37.4 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## More batteries to compare with the 12SEM-137

- [All leisure batteries for motorhomes and caravans](https://bateriasonline.es/en/leisure-batteries-motorhome-caravan)
- [The whole Q-Battery range](https://bateriasonline.es/en/q-battery-batteries)
- [Q-Battery 12SEM-225](https://bateriasonline.es/en/q-battery-12sem-225) · 225 Ah, 518×276×242 mm

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