# Q-Battery 6DC-330 · Traction battery 6V 330Ah

![Q-Battery 6DC-330 · Traction battery 6V 330Ah](https://bateriasonline.es/3402-home_default/q-battery-6dc-330.jpg)

> Q-Battery 6DC-330: 330 Ah traction battery, 295×180×365 mm. Equivalent to Trojan J305P-AC. Compare sizes and equivalents; 14-day returns.

**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-6dc-330
- **Language**: en
- **Brand**: Q-Battery
- **Reference**: BOL-QBATTERY-6DC-330
- **EAN**: 4250889602352
- **MPN**: 6DC-330
- **Price**: 460,80 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Q-Battery |
| Range | DEEP CYCLE BATTERY |
| Application | Traction and motive power |
| Technology | Lead-acid |
| Voltage | 6 V |
| Capacity | 330 Ah |
| Length | 295 mm |
| Width | 180 mm |
| Height | 365 mm |
| Weight | 42.7 kg |
| Terminal type | AP |

## Quick description

The Q-Battery 6DC-330 is a traction battery with 6 V and 330 Ah, measuring 295 × 180 × 365 mm.

## Description

## Where the Q-Battery 6DC-330 fits

The Q-Battery 6DC-330 drives electric work machines. It is installed in banks at the machine voltage and needs a charger with the right profile.
The 6DC-330 belongs to the Q-Battery DEEP CYCLE BATTERY range. [The full range of Q-Battery batteries](https://bateriasonline.es/en/q-battery-batteries)

## Lead-acid technology in the 6DC-330

Inside, the 6DC-330 is classic lead-acid: liquid electrolyte and lead plates. If the 6DC-330 is left discharged for weeks it sulphates: a maintenance charger prevents this.

## Q-Battery 6DC-330 vs 6TTB-310EU and 6TTB-290EU: which one to choose?

Torn between the 6DC-330 and another similar Q-Battery? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Q-Battery 6DC-330 (this one) | 330 Ah | 295 × 180 × 365 | 42.7 kg |
| Q-Battery 6TTB-310EU | 310 Ah | 311 × 181 × 360 | 47 kg |
| Q-Battery 6TTB-290EU | 290 Ah | 311 × 181 × 360 | 45.2 kg |

- Q-Battery 6TTB-310EU: 20 Ah less, a different case (311 × 181 × 360 mm).
- Q-Battery 6TTB-290EU: 40 Ah less, a different case (311 × 181 × 360 mm).

## Equivalents and alternatives to the Q-Battery 6DC-330

Batteries that fit the 6DC-330's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the 6DC-330.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Trojan J305P-AC | Lead-acid | 330 Ah | 296 × 176 × 366 |

## Part numbers and codes for the Q-Battery 6DC-330

This is how the Q-Battery 6DC-330 appears on the label and in parts catalogues:

| Commercial reference | 6DC-330 |
|---|---|
| EAN | 4250889602352 |
| Terminal type | AP |

## Before ordering the 6DC-330, check this

- With 330 Ah, the 6DC-330 replaces an original battery of that capacity or slightly less.
- The 6DC-330 needs 295 × 180 × 365 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Q-Battery 6DC-330

### 6DC-330 or 6TTB-310EU: which one suits me?

Compared with the 6DC-330, the Q-Battery 6TTB-310EU has 20 Ah less. With 330 Ah, the 6DC-330 runs longer between charges than the 6TTB-310EU (310 Ah). Mind the space: the 6TTB-310EU measures 311 × 181 × 360 mm.

### How much does the Q-Battery 6DC-330 weigh?

42.7 kg, with 330 Ah of capacity. For reference, the Q-Battery 6TTB-310EU (310 Ah) weighs 47 kg.

### Which battery is equivalent to the Q-Battery 6DC-330?

With the same dimensions, polarity and similar capacity you have the Trojan J305P-AC. As the 6DC-330 is a conventional battery, an EFB or AGM of the same size also works.

### Which charger does the Q-Battery 6DC-330 need?

An automatic lead-acid charger with cut-off or maintenance mode, rated at 10 to 20% of its capacity in amps. If it is a vented type, check the electrolyte level and top up only with distilled water.

## Other options if you are unsure about the 6DC-330

- [Other traction batteries](https://bateriasonline.es/en/traction-batteries)
- [The whole Q-Battery range](https://bateriasonline.es/en/q-battery-batteries)
- [Trojan J305P-AC](https://bateriasonline.es/en/trojan-j305p-ac) · 330 Ah, 296×176×366 mm

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