# Trojan J305E-AC · Traction battery 6V 305Ah

![Trojan J305E-AC · Traction battery 6V 305Ah](https://bateriasonline.es/3383-home_default/trojan-j305e-ac.jpg)

> Trojan J305E-AC: 305 Ah traction battery, 309×174×366 mm. Equivalent to Trojan J305G-AC. Compare sizes and equivalents; 14-day returns.

**Category:** [Traction batteries](https://bateriasonline.es/en/traction-batteries) → [Trojan](https://bateriasonline.es/en/trojan-batteries)

- **Canonical URL**: https://bateriasonline.es/en/trojan-j305e-ac
- **Language**: en
- **Brand**: Trojan
- **Reference**: BOL-TROJAN-J305E-AC
- **EAN**: 8404653001582
- **MPN**: J305E-AC
- **Price**: 525,87 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Trojan |
| Range | TROJAN deep cycle - T2 Technology |
| Application | Traction and motive power |
| Technology | Lead-acid |
| Voltage | 6 V |
| Capacity | 305 Ah |
| Length | 309 mm |
| Width | 174 mm |
| Height | 366 mm |
| Weight | 38 kg |

## Quick description

The Trojan J305E-AC is a traction battery with 6 V and 305 Ah, measuring 309 × 174 × 366 mm.

## Description

## Who the Trojan J305E-AC is for

The Trojan J305E-AC 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 J305E-AC belongs to the Trojan TROJAN deep cycle - T2 Technology range. [The full range of Trojan batteries](https://bateriasonline.es/en/trojan-batteries)

## Equivalents and alternatives to the Trojan J305E-AC

Batteries that fit the J305E-AC's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the J305E-AC.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Trojan J305G-AC | Lead-acid | 315 Ah | 309 × 174 × 366 |

## Trojan J305E-AC vs J305G-AC and J305HG-AC: differences

How the J305E-AC compares with Trojan batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Trojan J305E-AC (this one) | 305 Ah | 309 × 174 × 366 | 38 kg |
| Trojan J305G-AC | 315 Ah | 309 × 174 × 366 | 40 kg |
| Trojan J305HG-AC | 360 Ah | 309 × 174 × 366 | 45 kg |

- Trojan J305G-AC: 10 Ah more, the same dimensions.
- Trojan J305HG-AC: 55 Ah more, the same dimensions.

## What it means that the J305E-AC is lead-acid

The J305E-AC 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.

## What to look at before buying the J305E-AC

- Measure the space: the J305E-AC takes up 309 × 174 × 366 mm.
- Your current battery should say about 305 Ah; a little more is also fine.

## Part numbers and codes for the Trojan J305E-AC

The J305E-AC is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | J305E-AC |
|---|---|
| EAN | 8404653001582 |
| Not to be confused with | Trojan J305G-AC (315 Ah), Trojan J305H-AC (360 Ah), Trojan J305P-AC (330 Ah) |

## Frequently asked questions about the Trojan J305E-AC

### J305E-AC or J305G-AC: which one suits me?

Compared with the J305E-AC, the Trojan J305G-AC has 10 Ah more. With 315 Ah, the J305G-AC runs longer between charges than the J305E-AC (305 Ah). Both measure 309 × 174 × 366 mm, so they fit the same tray.

### How much does the Trojan J305E-AC weigh?

38 kg, with 305 Ah of capacity. For reference, the Trojan J305G-AC (315 Ah) weighs 40 kg.

### Which battery is equivalent to the Trojan J305E-AC?

With the same dimensions, polarity and similar capacity you have the Trojan J305G-AC. As the J305E-AC is a conventional battery, an EFB or AGM of the same size also works.

### What is the difference between a traction battery and a starter battery?

A traction battery delivers energy for hours and is fully recharged every day; a starter battery gives a brief current peak. Using them the wrong way round destroys them in months.

## More batteries to compare with the J305E-AC

- [More traction batteries](https://bateriasonline.es/en/traction-batteries)
- [Full Trojan catalogue](https://bateriasonline.es/en/trojan-batteries)
- [Q-Battery 6TTB-310EU](https://bateriasonline.es/en/q-battery-6ttb-310eu) · 310 Ah, 311×181×360 mm

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