# Trojan 8D-AGM · Solar battery 12V 230Ah

![Trojan 8D-AGM · Solar battery 12V 230Ah](https://bateriasonline.es/3335-home_default/trojan-8d-agm.jpg)

> Trojan 8D-AGM: 230 Ah solar battery, 520×270×231 mm, AGM. VAT included and shipping cost shown before you pay.

**Category:** [Solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries) → [Trojan](https://bateriasonline.es/en/trojan-batteries)

- **Canonical URL**: https://bateriasonline.es/en/trojan-8d-agm
- **Language**: en
- **Brand**: Trojan
- **Reference**: BOL-TROJAN-8D-AGM
- **EAN**: 8404653001568
- **MPN**: 8D-AGM
- **Price**: 1.479,21 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Trojan |
| Range | TROJAN AGM |
| Application | Solar and off-grid systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 230 Ah |
| Length | 520 mm |
| Width | 270 mm |
| Height | 231 mm |
| Weight | 73 kg |

## Quick description

Trojan 8D-AGM: solar battery with 12 V and 230 Ah, measuring 520 × 270 × 231 mm.

## Description

## The Trojan 8D-AGM at a glance

The Trojan 8D-AGM is a deep-cycle battery for off-grid solar systems: it stores the day's energy for use at night and withstands years of charge and discharge cycles. Its capacity is rated at 20 hours (C20); at slower discharge rates the usable capacity is higher.
The 8D-AGM belongs to the Trojan TROJAN AGM range. [The full range of Trojan batteries](https://bateriasonline.es/en/trojan-batteries)

## Equivalents and alternatives to the Trojan 8D-AGM

No other reference in the catalogue fully matches the dimensions and polarity of the 8D-AGM; you will find the closest ones among our [solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries).

## Trojan 8D-AGM vs SAGM 12 205 and SAES 12 205: differences

What sets the 8D-AGM apart from its neighbours in the Trojan range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Trojan 8D-AGM (this one) | 230 Ah | 520 × 270 × 231 | 73 kg |
| Trojan SAGM 12 205 | 205 Ah | 380 × 176 × 357 | 59 kg |
| Trojan SAES 12 205 | 179 Ah | 380 × 176 × 357 | 57 kg |

- Trojan SAGM 12 205: 25 Ah less, a different case (380 × 176 × 357 mm).
- Trojan SAES 12 205: 51 Ah less, a different case (380 × 176 × 357 mm).

## What it means that the 8D-AGM is AGM

The 8D-AGM is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the 8D-AGM can be fitted in the boot or under a seat with no risk of spills.

## What to look at before buying the 8D-AGM

- Measure the space: the 8D-AGM takes up 520 × 270 × 231 mm.
- Your current battery should say about 230 Ah; a little more is also fine.

## Trojan 8D-AGM codes and part numbers

Look for any of these 8D-AGM codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | 8D-AGM |
|---|---|
| EAN | 8404653001568 |

## Frequently asked questions about the Trojan 8D-AGM

### Trojan 8D-AGM or SAGM 12 205?

Compared with the 8D-AGM, the Trojan SAGM 12 205 has 25 Ah less. With 230 Ah, the 8D-AGM runs longer between charges than the SAGM 12 205 (205 Ah). Mind the space: the SAGM 12 205 measures 380 × 176 × 357 mm.

### How much does the Trojan 8D-AGM weigh?

The 8D-AGM weighs 73 kg. For reference, the Trojan SAGM 12 205 (205 Ah) weighs 59 kg.

### Which charger does the Trojan 8D-AGM need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

## Keep comparing: alternatives to the 8D-AGM

- [More solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries)
- [Full Trojan catalogue](https://bateriasonline.es/en/trojan-batteries)
- [Trojan J185-AGM](https://bateriasonline.es/en/trojan-j185-agm) · 200 Ah, 380×176×367 mm

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