# Q-Battery 12SEM-180 · Motorhome battery 12V 180Ah

![Q-Battery 12SEM-180 · Motorhome battery 12V 180Ah](https://bateriasonline.es/3469-home_default/q-battery-12sem-180.jpg)

> Q-Battery 12SEM-180: 180 Ah motorhome battery, 513×224×225 mm. Equivalent to Kronobat DP-190-EFB.

**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-180
- **Language**: en
- **Brand**: Q-Battery
- **Reference**: BOL-QBATTERY-12SEM-180
- **EAN**: 4250889600242
- **MPN**: 12SEM-180
- **Price**: 447,76 € (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 | 180 Ah |
| Length | 513 mm |
| Width | 224 mm |
| Height | 225 mm |
| Weight | 48.6 kg |
| Terminal layout | 3 |
| Terminal type | A-Pole |

## Quick description

Q-Battery 12SEM-180: motorhome battery with 12 V and 180 Ah, measuring 513 × 224 × 225 mm.

## Description

## Who the Q-Battery 12SEM-180 is for

The Q-Battery 12SEM-180 is a leisure battery for motorhomes and caravans: it powers fridge, lights, water pump and heating for days without starting the engine. With 180 Ah, the 12SEM-180 runs the leisure loads for several nights depending on use.
The 12SEM-180 belongs to the Q-Battery SEMITRACTION BATTERY range. [The full range of Q-Battery batteries](https://bateriasonline.es/en/q-battery-batteries)

## Equivalents and alternatives to the Q-Battery 12SEM-180

Same dimensions and polarity as the 12SEM-180, with similar capacity and cranking power; as a conventional battery, the 12SEM-180 can also be replaced by an EFB or AGM of the same size if you want more cycles.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Kronobat DP-190-EFB | EFB | 190 Ah | 513 × 223 × 223 |

## Q-Battery 12SEM-180 vs 12SEM-137 and 12SEM-225

What sets the 12SEM-180 apart from its neighbours in the Q-Battery range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Q-Battery 12SEM-180 (this one) | 180 Ah | 513 × 224 × 225 | 48.6 kg |
| Q-Battery 12SEM-137 | 137 Ah | 513 × 189 × 223 | 37.4 kg |
| Q-Battery 12SEM-225 | 225 Ah | 518 × 276 × 242 | 62 kg |

- Q-Battery 12SEM-137: 43 Ah less, a different case (513 × 189 × 223 mm).
- Q-Battery 12SEM-225: 45 Ah more, a different case (518 × 276 × 242 mm).

## Inside the 12SEM-180: lead-acid technology

The 12SEM-180 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the 12SEM-180 needs no special registration: just connect it.

## Check this before ordering the Q-Battery 12SEM-180

- Length, width and height of the 12SEM-180: 513 × 224 × 225 mm.
- With 180 Ah, the 12SEM-180 replaces an original battery of that capacity or slightly less.

## Q-Battery 12SEM-180 codes and part numbers

Look for any of these 12SEM-180 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | 12SEM-180 |
|---|---|
| EAN | 4250889600242 |
| Terminal type | A-Pole |
| Not to be confused with | Q-Battery 12SEM-80 (80 Ah, positive terminal on the right), Q-Battery 12SEM-120 (120 Ah, positive terminal on the right) |

## Frequently asked questions about the Q-Battery 12SEM-180

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

Compared with the 12SEM-180, the Q-Battery 12SEM-137 has 43 Ah less. With 180 Ah, the 12SEM-180 runs longer between charges than the 12SEM-137 (137 Ah). Mind the space: the 12SEM-137 measures 513 × 189 × 223 mm.

### How much does the Q-Battery 12SEM-180 weigh?

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

### Which battery is equivalent to the Q-Battery 12SEM-180?

With the same dimensions, polarity and similar capacity you have the Kronobat DP-190-EFB. As the 12SEM-180 is a conventional battery, an EFB or AGM of the same size also works.

### How many days of autonomy does the Q-Battery 12SEM-180 give in a motorhome?

It depends on consumption. With 180 Ah and LED lights, pump and a gas fridge, 2 or 3 days without recharging is normal; with an electric fridge, much less.

## Keep comparing: alternatives to the 12SEM-180

- [More leisure batteries for motorhomes and caravans](https://bateriasonline.es/en/leisure-batteries-motorhome-caravan)
- [Full Q-Battery catalogue](https://bateriasonline.es/en/q-battery-batteries)
- [Kronobat DP-240-EFB](https://bateriasonline.es/en/kronobat-dp-240-efb) · 240 Ah, 1,050 A, 518×276×242 mm

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