# Trojan SSIG 12 120 · Solar battery 12V 107Ah

![Trojan SSIG 12 120 · Solar battery 12V 107Ah](https://bateriasonline.es/3072-home_default/trojan-ssig-12-120.jpg)

> Trojan SSIG 12 120: 107 Ah solar battery, 326×168×247 mm. VAT included, shipping cost shown before you pay, 14-day returns.

**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-ssig-12-120
- **Language**: en
- **Brand**: Trojan
- **Reference**: BOL-TROJAN-SSIG 12 120
- **MPN**: SSIG 12 120
- **Price**: 429,53 € (VAT incl., Spain)
- **Last updated**: 2026-11-07

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Trojan |
| Range | TROJAN SOLAR SIGNATURA 600 CICLOS 50% DOD |
| Application | Solar and off-grid systems |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 107 Ah |
| Length | 326 mm |
| Width | 168 mm |
| Height | 247 mm |
| Weight | 25 kg |

## Quick description

The Trojan SSIG 12 120 is a solar battery with 12 V and 107 Ah, measuring 326 × 168 × 247 mm.

## Description

## Who the Trojan SSIG 12 120 is for

The Trojan SSIG 12 120 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 SSIG 12 120 belongs to the Trojan TROJAN SOLAR SIGNATURA 600 CICLOS 50% DOD range. [The full range of Trojan batteries](https://bateriasonline.es/en/trojan-batteries)

## Equivalents and alternatives to the Trojan SSIG 12 120

No other reference in the catalogue fully matches the dimensions and polarity of the SSIG 12 120; you will find the closest ones among our [solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries).

## Trojan SSIG 12 120 vs 31-AGM SV, SAES 12 105 and SAGM 12 105

How the SSIG 12 120 compares with Trojan batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Trojan SSIG 12 120 (this one) | 107 Ah | 326 × 168 × 247 | 25 kg |
| Trojan 31-AGM SV | 100 Ah | 325 × 173 × 238 | 30 kg |
| Trojan SAES 12 105 | 107 Ah | 325 × 173 × 237 | 31 kg |
| Trojan SAGM 12 105 | 105 Ah | 325 × 173 × 237 | 30 kg |
| Trojan OverDrive AGM 31 | 102 Ah | 341 × 173 × 234 | 31 kg |

- Trojan 31-AGM SV: 7 Ah less, a different case (325 × 173 × 238 mm), AGM technology.
- Trojan SAES 12 105: the same capacity, a different height (237 mm instead of 247 mm), AGM technology. It is the option if your battery tray cannot take the 247 mm height of the SSIG 12 120.
- Trojan SAGM 12 105: 2 Ah less, a different height (237 mm instead of 247 mm), AGM technology. It is the option if your battery tray cannot take the 247 mm height of the SSIG 12 120.
- Trojan OverDrive AGM 31: 5 Ah less, a different case (341 × 173 × 234 mm), AGM technology.

## What it means that the SSIG 12 120 is lead-acid

The SSIG 12 120 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the SSIG 12 120 needs no special registration: just connect it.

## What to look at before buying the SSIG 12 120

- Measure the space: the SSIG 12 120 takes up 326 × 168 × 247 mm.
- Capacity of the SSIG 12 120: 107 Ah; the same as your current battery or slightly more is fine.

## Trojan SSIG 12 120 codes and part numbers

Look for any of these SSIG 12 120 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | SSIG 12 120 |
|---|---|
| Not to be confused with | Trojan SSIG 12 170 (153 Ah) |

## Frequently asked questions about the Trojan SSIG 12 120

### Trojan SSIG 12 120 or 31-AGM SV?

Compared with the SSIG 12 120, the Trojan 31-AGM SV has 7 Ah less and AGM technology. With 107 Ah, the SSIG 12 120 runs longer between charges than the 31-AGM SV (100 Ah). Mind the space: the 31-AGM SV measures 325 × 173 × 238 mm.

### Trojan SSIG 12 120 or SAES 12 105/SAGM 12 105: what changes?

Mainly the height: the SSIG 12 120 is 247 mm tall and the Trojan SAES 12 105 237 mm, with the same length and width and 107 Ah against 107 Ah. The Trojan SAGM 12 105 is 237 mm tall, with 105 Ah and A. Before choosing between the SSIG 12 120 and the SAES 12 105, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Trojan SSIG 12 120 weigh?

The SSIG 12 120 weighs 25 kg. For reference, the Trojan 31-AGM SV (100 Ah) weighs 30 kg.

## Other options if you are unsure about the SSIG 12 120

- [All solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries)
- [The whole Trojan range](https://bateriasonline.es/en/trojan-batteries)
- [Trojan SSIG 12 95](https://bateriasonline.es/en/trojan-ssig-12-95) · 87 Ah, 277×168×235 mm
- [Trojan SSIG 12 145](https://bateriasonline.es/en/trojan-ssig-12-145) · 132 Ah, 354×171×256 mm
- [Trojan 31XCS](https://bateriasonline.es/en/trojan-31xcs)

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