# Trojan J305G-AC · Traction battery 6V 315Ah

![Trojan J305G-AC · Traction battery 6V 315Ah](https://bateriasonline.es/3387-home_default/trojan-j305g-ac.jpg)

> Trojan J305G-AC: 315 Ah traction battery, 309×174×366 mm. Equivalent to Trojan J305E-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-j305g-ac
- **Language**: en
- **Brand**: Trojan
- **Reference**: BOL-TROJAN-J305G-AC
- **EAN**: 8404653001599
- **MPN**: J305G-AC
- **Price**: 432,48 € (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 | 315 Ah |
| Length | 309 mm |
| Width | 174 mm |
| Height | 366 mm |
| Weight | 40 kg |

## Quick description

Trojan J305G-AC: traction battery with 6 V and 315 Ah, measuring 309 × 174 × 366 mm.

## Description

## The Trojan J305G-AC at a glance

The Trojan J305G-AC drives electric work machines. It is installed in banks at the machine voltage and needs a charger with the right profile.
The J305G-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 J305G-AC

Batteries that fit the J305G-AC's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the J305G-AC.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Trojan J305E-AC | Lead-acid | 305 Ah | 309 × 174 × 366 |

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

What sets the J305G-AC apart from its neighbours in the Trojan range:

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

- Trojan J305E-AC: 10 Ah less, the same dimensions.
- Trojan J305HG-AC: 45 Ah more, the same dimensions.

## Inside the J305G-AC: lead-acid technology

Inside, the J305G-AC is classic lead-acid: liquid electrolyte and lead plates. If the J305G-AC is left discharged for weeks it sulphates: a maintenance charger prevents this.

## What to look at before buying the J305G-AC

- Length, width and height of the J305G-AC: 309 × 174 × 366 mm.
- Your current battery should say about 315 Ah; a little more is also fine.

## Part numbers and codes for the Trojan J305G-AC

This is how the Trojan J305G-AC appears on the label and in parts catalogues:

| Commercial reference | J305G-AC |
|---|---|
| EAN | 8404653001599 |
| Not to be confused with | Trojan J305E-AC (305 Ah), Trojan J305H-AC (360 Ah), Trojan J305HG-AC (360 Ah) |

## Frequently asked questions about the Trojan J305G-AC

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

Compared with the J305G-AC, the Trojan J305E-AC has 10 Ah less. 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 J305G-AC weigh?

40 kg, with 315 Ah of capacity. For reference, the Trojan J305E-AC (305 Ah) weighs 38 kg.

### Which battery is equivalent to the Trojan J305G-AC?

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

## Keep comparing: alternatives to the J305G-AC

- [More traction batteries](https://bateriasonline.es/en/traction-batteries)
- [The whole Trojan range](https://bateriasonline.es/en/trojan-batteries)
- [Trojan J305E-AC](https://bateriasonline.es/en/trojan-j305e-ac) · 305 Ah, 309×174×366 mm

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