# Fulbat FDC12-90 AGM · Mobility scooter battery 12V 77Ah

![Fulbat FDC12-90 AGM · Mobility scooter battery 12V 77Ah](https://bateriasonline.es/549-home_default/fulbat-fdc12-90-agm.jpg)

> Fulbat FDC12-90 AGM: 77 Ah mobility scooter battery, 260×168×214 mm, positive terminal on the left, AGM. Equivalent to Ritar EV12-75 and Fulbat FDC12-75 AGM.

**Category:** [Mobility scooter batteries](https://bateriasonline.es/en/mobility-scooter-batteries) → [Fulbat](https://bateriasonline.es/en/fulbat-batteries)

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fdc12-90-agm
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FDC12-90 AGM
- **MPN**: FDC12-90 AGM
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT FDC Deep Cycle AGM Carbon |
| Application | Mobility scooters |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 77 Ah |
| Length | 260 mm |
| Width | 168 mm |
| Height | 214 mm |
| Weight | 23.5 kg |
| Polarity | Positive terminal on the left |
| Terminal type | T11 |

## Quick description

The Fulbat FDC12-90 AGM is a mobility scooter battery with 12 V and 77 Ah, measuring 260 × 168 × 214 mm, with the positive terminal on the left.

## Description

## Where the Fulbat FDC12-90 AGM fits

The Fulbat FDC12-90 AGM is a deep-cycle battery for mobility scooters: sealed, suitable for transport and designed for full daily charges. Check the tray dimensions and terminal type: each scooter model has its own format.
The FDC12-90 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 FDC12-90 AGM

Other AGM batteries that fit the FDC12-90 AGM's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Ritar EV12-75 | AGM | 75 Ah | 260 × 169 × 216 |
| Fulbat FDC12-75 AGM | AGM | 75 Ah | 260 × 168 × 214 |
| Fulbat FPC12-80 | AGM | 80.4 Ah | 260 × 168 × 214 |

## Fulbat FDC12-90 AGM vs FDC12-75 AGM and FPC12-80

Torn between the FDC12-90 AGM and another similar Fulbat? This is what changes:

| Model | Capacity | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|
| Fulbat FDC12-90 AGM (this one) | 77 Ah | 260 × 168 × 214 | left | 23.5 kg |
| Fulbat FDC12-75 AGM | 75 Ah | 260 × 168 × 214 | left | 23.3 kg |
| Fulbat FPC12-80 | 80.4 Ah | 260 × 168 × 214 | left | 22.3 kg |

- Fulbat FDC12-75 AGM: 2 Ah less, the same dimensions.
- Fulbat FPC12-80: 3.40 Ah more, the same dimensions.

## What it means that the FDC12-90 AGM is AGM

The FDC12-90 AGM is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the FDC12-90 AGM can be fitted in the boot or under a seat with no risk of spills.

## Check this before ordering the Fulbat FDC12-90 AGM

- The FDC12-90 AGM needs 260 × 168 × 214 mm of space: measure it with the hold-down clamp in place.
- The FDC12-90 AGM has the positive terminal on the left: compare it with your current battery.
- Capacity of the FDC12-90 AGM: 77 Ah; the same as your current battery or slightly more is fine.

## Part numbers and codes for the Fulbat FDC12-90 AGM

Look for any of these FDC12-90 AGM codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | FDC12-90 AGM |
|---|---|
| Terminal type | T11 |
| Not to be confused with | Fulbat FDC12-60 AGM (57 Ah) |

## Frequently asked questions about the Fulbat FDC12-90 AGM

### FDC12-90 AGM or FDC12-75 AGM: which one suits me?

Compared with the FDC12-90 AGM, the Fulbat FDC12-75 AGM has 2 Ah less. With 77 Ah, the FDC12-90 AGM runs longer between charges than the FDC12-75 AGM (75 Ah). Both measure 260 × 168 × 214 mm, so they fit the same tray.

### How much does the Fulbat FDC12-90 AGM weigh?

23.5 kg, with 77 Ah of capacity. For reference, the Fulbat FDC12-75 AGM (75 Ah) weighs 23.3 kg.

### Which battery is equivalent to the Fulbat FDC12-90 AGM?

Only other AGM batteries with its dimensions and polarity: Ritar EV12-75, Fulbat FDC12-75 AGM and Fulbat FPC12-80. Neither an EFB nor a conventional battery replaces the FDC12-90 AGM.

### Which side is the positive terminal on the Fulbat FDC12-90 AGM?

On the FDC12-90 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 often should I charge the scooter battery?

After every use, even if it is not empty. Deep-cycle batteries last longer if they are not left discharged overnight.

## Keep comparing: alternatives to the FDC12-90 AGM

- [Other mobility scooter batteries](https://bateriasonline.es/en/mobility-scooter-batteries)
- [More Fulbat models](https://bateriasonline.es/en/fulbat-batteries)
- [Fulbat FDC12-75L AGM](https://bateriasonline.es/en/fulbat-fdc12-75l-agm) · 65 Ah, 260×168×176 mm

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