# Fullriver DC120-12C · Boat battery 12V 120Ah 750A

![Fullriver DC120-12C · Boat battery 12V 120Ah 750A](https://bateriasonline.es/2316-home_default/fullriver-dc120-12c.jpg)

> Fullriver DC120-12C: 120 Ah boat battery, 750 A (EN), 344×172×283 mm, AGM. VAT included and shipping cost shown before you pay.

**Category:** [Marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries) → [Fullriver](https://bateriasonline.es/en/fullriver-batteries)

- **Canonical URL**: https://bateriasonline.es/en/fullriver-dc120-12c
- **Language**: en
- **Brand**: Fullriver
- **Reference**: BOL-FULLRIVER-DC120-12C
- **MPN**: DC120-12C
- **Price**: 433,06 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fullriver |
| Range | DC Series |
| Application | Boats |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 120 Ah |
| Cold cranking amps (EN) | 750 A |
| Length | 344 mm |
| Width | 172 mm |
| Height | 283 mm |
| Weight | 38.7 kg |
| Terminal type | AP |

## Quick description

The Fullriver DC120-12C is a boat battery with 12 V, 120 Ah and 750 A cold cranking current, measuring 344 × 172 × 283 mm.

## Description

## Where the Fullriver DC120-12C fits

The Fullriver DC120-12C is made for marine use. Check whether your boat needs starting, service or a dual-purpose battery before choosing.
The DC120-12C belongs to the Fullriver DC Series range. [The full range of Fullriver batteries](https://bateriasonline.es/en/fullriver-batteries)

## Equivalents and alternatives to the Fullriver DC120-12C

No other reference in the catalogue fully matches the dimensions and polarity of the DC120-12C; you will find the closest ones among our [marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries).

## Fullriver DC120-12C vs DC140-12 and DC145-12: which one to choose?

Torn between the DC120-12C and another similar Fullriver? This is what changes:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Fullriver DC120-12C (this one) | 120 Ah | 750 A | 344 × 172 × 283 | 38.7 kg |
| Fullriver DC140-12 | 140 Ah | 795 A | 341 × 172 × 289 | 43.1 kg |
| Fullriver DC145-12 | 145 Ah | 820 A | 341 × 173 × 287 | 43.8 kg |

- Fullriver DC140-12: 20 Ah more, 45 A more cranking power, a different case (341 × 172 × 289 mm).
- Fullriver DC145-12: 25 Ah more, 70 A more cranking power, a different case (341 × 173 × 287 mm).

## What it means that the DC120-12C is AGM

Inside, the DC120-12C has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

## Before ordering the DC120-12C, check this

- The DC120-12C needs 344 × 172 × 283 mm of space: measure it with the hold-down clamp in place.
- With 120 Ah, the DC120-12C replaces an original battery of that capacity or slightly less.
- Cold cranking: 750 A (EN), equal to or higher than the original.

## Fullriver DC120-12C codes and part numbers

Shops, garages and catalogues identify the DC120-12C with these codes:

| Commercial reference | DC120-12C |
|---|---|
| Terminal type | AP |
| Not to be confused with | Fullriver DC120-12A (120 Ah, 750 A), Fullriver DC120-12B (120 Ah, 760 A), Fullriver DC120-12D (120 Ah, 750 A) |

## Frequently asked questions about the Fullriver DC120-12C

### Fullriver DC120-12C or DC140-12?

Compared with the DC120-12C, the Fullriver DC140-12 has 20 Ah more and 45 A more cranking power. If your current battery says 795 A or more, choose the DC140-12; if it says 750 A or less, the DC120-12C is enough. Mind the space: the DC140-12 measures 341 × 172 × 289 mm.

### How much does the Fullriver DC120-12C weigh?

The DC120-12C weighs 38.7 kg. For reference, the Fullriver DC140-12 (140 Ah) weighs 43.1 kg.

### Which charger does the Fullriver DC120-12C 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 DC120-12C

- [More marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries)
- [Full Fullriver catalogue](https://bateriasonline.es/en/fullriver-batteries)

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