# Fullriver DC105-12 · Boat battery 12V 105Ah 680A

![Fullriver DC105-12 · Boat battery 12V 105Ah 680A](https://bateriasonline.es/2260-home_default/fullriver-dc105-12.jpg)

> Fullriver DC105-12: 105 Ah boat battery, 680 A (EN), 307×169×236 mm, AGM. Equivalent to Fullriver FFD100-12.

**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-dc105-12
- **Language**: en
- **Brand**: Fullriver
- **Reference**: BOL-FULLRIVER-DC105-12
- **MPN**: DC105-12
- **Price**: 345,00 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fullriver |
| Range | DC Series |
| Application | Boats |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 105 Ah |
| Cold cranking amps (EN) | 680 A |
| Length | 307 mm |
| Width | 169 mm |
| Height | 236 mm |
| Weight | 30.2 kg |
| Terminal type | M8 + TP08 |

## Quick description

Fullriver DC105-12: boat battery with 12 V, 105 Ah and 680 A cold cranking current, measuring 307 × 169 × 236 mm.

## Description

## Who the Fullriver DC105-12 is for

The Fullriver DC105-12 is a battery for boats: engine starting or on-board service, depending on its design, with resistance to damp and hull vibration. Fit the DC105-12 securely on board and away from bilge water.
The DC105-12 belongs to the Fullriver DC Series range. [See all Fullriver batteries](https://bateriasonline.es/en/fullriver-batteries)

## What it means that the DC105-12 is AGM

The DC105-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## Fullriver DC105-12 vs FFD100-12 and FT965-27: which one to choose?

The real differences between the DC105-12 and the closest Fullriver models:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Fullriver DC105-12 (this one) | 105 Ah | 680 A | 307 × 169 × 236 | 30.2 kg |
| Fullriver FFD100-12 | 100 Ah | 650 A | 307 × 169 × 236 | 27 kg |
| Fullriver FT965-27 | 100 Ah | 965 A | 307 × 169 × 237 | 31.6 kg |

- Fullriver FFD100-12: 5 Ah less, 30 A less cranking power, the same dimensions.
- Fullriver FT965-27: 5 Ah less, 285 A more cranking power, the same dimensions.

## Equivalents and alternatives to the Fullriver DC105-12

As the DC105-12 is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Fullriver FFD100-12 | AGM | 100 Ah | 650 A | 307 × 169 × 236 |

## Fullriver DC105-12 codes and part numbers

The DC105-12 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | DC105-12 |
|---|---|
| Terminal type | M8 + TP08 |
| Not to be confused with | Fullriver DC10-12 (10 Ah), Fullriver DC115-12 (115 Ah, 760 A), Fullriver DC145-12 (145 Ah, 820 A) |

## What to look at before buying the DC105-12

- The DC105-12 delivers 680 A cold cranking (EN standard); do not go below what your original battery states.
- With 105 Ah, the DC105-12 replaces an original battery of that capacity or slightly less.
- Measure the space: the DC105-12 takes up 307 × 169 × 236 mm.

## Frequently asked questions about the Fullriver DC105-12

### Fullriver DC105-12 or FFD100-12?

Compared with the DC105-12, the Fullriver FFD100-12 has 5 Ah less and 30 A less cranking power. The DC105-12 cranks harder; the FFD100-12 is only a good option if your original battery says 650 A or less. Both measure 307 × 169 × 236 mm, so they fit the same tray.

### How much does the Fullriver DC105-12 weigh?

The DC105-12 weighs 30.2 kg. For reference, the Fullriver FFD100-12 (100 Ah) weighs 27 kg.

### Which battery is equivalent to the Fullriver DC105-12?

Only other AGM batteries with its dimensions and polarity: Fullriver FFD100-12. Neither an EFB nor a conventional battery replaces the DC105-12.

### How do I look after the boat battery in winter?

Leave it 100% charged, disconnected or on a marine maintenance charger. A battery that spends the winter half-discharged loses capacity permanently.

## Other options if you are unsure about the DC105-12

- [More marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries)
- [Full Fullriver catalogue](https://bateriasonline.es/en/fullriver-batteries)
- [Fullriver FFD100-12](https://bateriasonline.es/en/fullriver-ffd100-12) · 100 Ah, 650 A, 307×169×236 mm

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