# Fulbat FDC12-145 AGM · Motorhome battery 12V 122Ah

![Fulbat FDC12-145 AGM · Motorhome battery 12V 122Ah](https://bateriasonline.es/493-home_default/fulbat-fdc12-145-agm.jpg)

> Fulbat FDC12-145 AGM: 122 Ah motorhome battery, 340×172×286 mm, positive terminal on the left, AGM. Equivalent to Fullriver DCG120-12A.

**Category:** [Leisure batteries for motorhomes and caravans](https://bateriasonline.es/en/leisure-batteries-motorhome-caravan) → [Fulbat](https://bateriasonline.es/en/fulbat-batteries)

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fdc12-145-agm
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FDC12-145 AGM
- **MPN**: FDC12-145 AGM
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT FDC Deep Cycle AGM Carbon |
| Application | Motorhomes and caravans |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 122 Ah |
| Length | 340 mm |
| Width | 172 mm |
| Height | 286 mm |
| Weight | 42.6 kg |
| Polarity | Positive terminal on the left |
| Terminal type | T11 |

## Quick description

The Fulbat FDC12-145 AGM is a motorhome battery with 12 V and 122 Ah, measuring 340 × 172 × 286 mm, with the positive terminal on the left.

## Description

## The Fulbat FDC12-145 AGM at a glance

The Fulbat FDC12-145 AGM is a leisure battery for motorhomes and caravans: it powers fridge, lights, water pump and heating for days without starting the engine. With 122 Ah, the FDC12-145 AGM runs the leisure loads for several nights depending on use.
The FDC12-145 AGM belongs to the Fulbat FULBAT FDC Deep Cycle AGM Carbon range. [More Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat FDC12-145 AGM

Other AGM batteries that fit the FDC12-145 AGM's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Fullriver DCG120-12A | AGM | 120 Ah | 341 × 172 × 283 |

## Fulbat FDC12-145 AGM vs FDC12-150 AGM and FPC12-120: which one to choose?

Torn between the FDC12-145 AGM and another similar Fulbat? This is what changes:

| Model | Capacity | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|
| Fulbat FDC12-145 AGM (this one) | 122 Ah | 340 × 172 × 286 | left | 42.6 kg |
| Fulbat FDC12-150 AGM | 136 Ah | 327 × 180 × 274 | left | 41.9 kg |
| Fulbat FPC12-120 | 128.6 Ah | 408 × 177 × 225 | left | 37.3 kg |

- Fulbat FDC12-150 AGM: 14 Ah more, a different case (327 × 180 × 274 mm).
- Fulbat FPC12-120: 6.60 Ah more, a different case (408 × 177 × 225 mm).

## What it means that the FDC12-145 AGM is AGM

The FDC12-145 AGM 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.

## Before ordering the FDC12-145 AGM, check this

- The FDC12-145 AGM needs 340 × 172 × 286 mm of space: measure it with the hold-down clamp in place.
- With the terminals facing you, the positive terminal of the FDC12-145 AGM is on the left.
- Capacity of the FDC12-145 AGM: 122 Ah; the same as your current battery or slightly more is fine.

## Part numbers and codes for the Fulbat FDC12-145 AGM

The FDC12-145 AGM is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | FDC12-145 AGM |
|---|---|
| Terminal type | T11 |
| Not to be confused with | Fulbat FDC12-14 AGM (13.5 Ah), Fulbat FDC12-105 AGM (96 Ah), Fulbat FDC12-115 AGM (107 Ah) |

## Frequently asked questions about the Fulbat FDC12-145 AGM

### FDC12-145 AGM or FDC12-150 AGM: which one suits me?

Compared with the FDC12-145 AGM, the Fulbat FDC12-150 AGM has 14 Ah more. With 136 Ah, the FDC12-150 AGM runs longer between charges than the FDC12-145 AGM (122 Ah). Mind the space: the FDC12-150 AGM measures 327 × 180 × 274 mm.

### How much does the Fulbat FDC12-145 AGM weigh?

42.6 kg, with 122 Ah of capacity. For reference, the Fulbat FDC12-150 AGM (136 Ah) weighs 41.9 kg.

### Which battery is equivalent to the Fulbat FDC12-145 AGM?

Only other AGM batteries with its dimensions and polarity: Fullriver DCG120-12A. Neither an EFB nor a conventional battery replaces the FDC12-145 AGM.

### Which side is the positive terminal on the Fulbat FDC12-145 AGM?

On the FDC12-145 AGM, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

### How many days of autonomy does the Fulbat FDC12-145 AGM give in a motorhome?

It depends on consumption. With 122 Ah and LED lights, pump and a gas fridge, 2 or 3 days without recharging is normal; with an electric fridge, much less.

## Other options if you are unsure about the FDC12-145 AGM

- [More leisure batteries for motorhomes and caravans](https://bateriasonline.es/en/leisure-batteries-motorhome-caravan)
- [The whole Fulbat range](https://bateriasonline.es/en/fulbat-batteries)
- [Fullriver DCG120-12A](https://bateriasonline.es/en/fullriver-dcg120-12a) · 120 Ah, 341×172×283 mm

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