# Q-Battery 12GEL-51 · Traction battery 12V 51Ah

![Q-Battery 12GEL-51 · Traction battery 12V 51Ah](https://bateriasonline.es/3626-home_default/q-battery-12gel-51.jpg)

> Q-Battery 12GEL-51: 51 Ah traction battery, 276×175×190 mm, positive terminal on the right, GEL.

**Category:** [Traction batteries](https://bateriasonline.es/en/traction-batteries) → [Q-Battery](https://bateriasonline.es/en/q-battery-batteries)

- **Canonical URL**: https://bateriasonline.es/en/q-battery-12gel-51
- **Language**: en
- **Brand**: Q-Battery
- **Reference**: BOL-QBATTERY-12GEL-51
- **EAN**: 4250889611804
- **MPN**: 12GEL-51
- **Price**: 346,14 € (VAT incl., Spain)
- **Last updated**: 2026-11-07

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Q-Battery |
| Range | GEL TRACTION BATTERY |
| Application | Traction and motive power |
| Technology | GEL |
| Voltage | 12 V |
| Capacity | 51 Ah |
| Length | 276 mm |
| Width | 175 mm |
| Height | 190 mm |
| Weight | 24 kg |
| Polarity | Positive terminal on the right |
| Terminal type | A-Pole |

## Quick description

The Q-Battery 12GEL-51 is a traction battery with 12 V and 51 Ah, measuring 276 × 175 × 190 mm, with the positive terminal on the right.

## Description

## Where the Q-Battery 12GEL-51 fits

The Q-Battery 12GEL-51 is a traction battery for electric work vehicles: designed for long daily discharges, with the ruggedness industrial use demands. It is installed in banks at the machine voltage and needs a charger with the right profile.
The 12GEL-51 belongs to the Q-Battery GEL TRACTION BATTERY range. [More Q-Battery batteries](https://bateriasonline.es/en/q-battery-batteries)

## GEL technology in the 12GEL-51

The 12GEL-51 is a gel battery: the electrolyte is immobilised in silica gel. It requires a charger with a specific gel profile.

## Q-Battery 12GEL-51 vs 12GEL-65

Torn between the 12GEL-51 and another similar Q-Battery? This is what changes:

| Model | Capacity | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|
| Q-Battery 12GEL-51 (this one) | 51 Ah | 276 × 175 × 190 | right | 24 kg |
| Q-Battery 12GEL-65 | 65 Ah | 352 × 175 × 190 | right | 28 kg |

- Q-Battery 12GEL-65: 14 Ah more, a different case (352 × 175 × 190 mm).

## Equivalents and alternatives to the Q-Battery 12GEL-51

We have no other battery with exactly the dimensions and polarity of the 12GEL-51. Browse the rest of our [traction batteries](https://bateriasonline.es/en/traction-batteries) to compare close options.

## Part numbers and codes for the Q-Battery 12GEL-51

The 12GEL-51 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | 12GEL-51 |
|---|---|
| EAN | 4250889611804 |
| Terminal type | A-Pole |

## Before ordering the 12GEL-51, check this

- Capacity of the 12GEL-51: 51 Ah; the same as your current battery or slightly more is fine.
- With the terminals facing you, the positive terminal of the 12GEL-51 is on the right.
- Measure the space: the 12GEL-51 takes up 276 × 175 × 190 mm.

## Frequently asked questions about the Q-Battery 12GEL-51

### 12GEL-51 or 12GEL-65: which one suits me?

Compared with the 12GEL-51, the Q-Battery 12GEL-65 has 14 Ah more. With 65 Ah, the 12GEL-65 runs longer between charges than the 12GEL-51 (51 Ah). Mind the space: the 12GEL-65 measures 352 × 175 × 190 mm.

### How much does the Q-Battery 12GEL-51 weigh?

24 kg, with 51 Ah of capacity. For reference, the Q-Battery 12GEL-65 (65 Ah) weighs 28 kg.

### Which side is the positive terminal on the Q-Battery 12GEL-51?

On the 12GEL-51, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

### Which charger does the Q-Battery 12GEL-51 need?

A charger with a GEL mode not exceeding 14.1-14.4 V. Charging it with a conventional lead-acid profile damages it through overcharging.

## More batteries to compare with the 12GEL-51

- [All traction batteries](https://bateriasonline.es/en/traction-batteries)
- [The whole Q-Battery range](https://bateriasonline.es/en/q-battery-batteries)
- [Q-Battery 12GEL-105](https://bateriasonline.es/en/q-battery-12gel-105) · 105 Ah, 345×170×285 mm
- [Q-Battery 12GEL-70](https://bateriasonline.es/en/q-battery-12gel-70) · 70 Ah, 308×175×225 mm

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