# Trojan 22-AGM · Solar battery 12V 50Ah

![Trojan 22-AGM · Solar battery 12V 50Ah](https://bateriasonline.es/3277-home_default/trojan-22-agm.jpg)

> Trojan 22-AGM: 50 Ah solar battery, 228×139×204 mm, AGM. Ask for a no-obligation quote.

**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-22-agm
- **Language**: en
- **Brand**: Trojan
- **Reference**: BOL-TROJAN-22-AGM
- **EAN**: 8404653001506
- **MPN**: 22-AGM
- **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 | 50 Ah |
| Length | 228 mm |
| Width | 139 mm |
| Height | 204 mm |
| Weight | 18 kg |

## Quick description

Trojan 22-AGM: solar battery with 12 V and 50 Ah, measuring 228 × 139 × 204 mm.

## Description

## The Trojan 22-AGM at a glance

The Trojan 22-AGM is made for stand-alone photovoltaic and off-grid systems. Its capacity is rated at 20 hours (C20); at slower discharge rates the usable capacity is higher.
The 22-AGM belongs to the Trojan TROJAN AGM range. [More Trojan batteries](https://bateriasonline.es/en/trojan-batteries)

## Equivalents and alternatives to the Trojan 22-AGM

No other reference in the catalogue fully matches the dimensions and polarity of the 22-AGM; you will find the closest ones among our [solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries).

## Trojan 22-AGM vs U1-AGM

The real differences between the 22-AGM and the closest Trojan models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Trojan 22-AGM (this one) | 50 Ah | 228 × 139 × 204 | 18 kg |
| Trojan U1-AGM | 33 Ah | 198 × 132 × 171 | 12 kg |

- Trojan U1-AGM: 17 Ah less, a different case (198 × 132 × 171 mm).

## AGM technology in the 22-AGM

Inside, the 22-AGM has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

## What to look at before buying the 22-AGM

- Measure the space: the 22-AGM takes up 228 × 139 × 204 mm.
- Your current battery should say about 50 Ah; a little more is also fine.

## Trojan 22-AGM codes and part numbers

Shops, garages and catalogues identify the 22-AGM with these codes:

| Commercial reference | 22-AGM |
|---|---|
| EAN | 8404653001506 |
| Not to be confused with | Trojan 12-AGM (140 Ah), Trojan 24-AGM (76 Ah), Trojan 27-AGM (89 Ah) |

## Frequently asked questions about the Trojan 22-AGM

### Trojan 22-AGM or U1-AGM?

Compared with the 22-AGM, the Trojan U1-AGM has 17 Ah less. With 50 Ah, the 22-AGM runs longer between charges than the U1-AGM (33 Ah). Mind the space: the U1-AGM measures 198 × 132 × 171 mm.

### How much does the Trojan 22-AGM weigh?

The 22-AGM weighs 18 kg. For reference, the Trojan U1-AGM (33 Ah) weighs 12 kg.

### Which charger does the Trojan 22-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.

## More batteries to compare with the 22-AGM

- [All solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries)
- [More Trojan models](https://bateriasonline.es/en/trojan-batteries)

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