# Fulbat FP12-100 · UPS battery 12V 104Ah

![Fulbat FP12-100 · UPS battery 12V 104Ah](https://bateriasonline.es/491-home_default/fulbat-fp12-100.jpg)

> Fulbat FP12-100: 104 Ah UPS battery, 330×173×220 mm, positive terminal on the left, AGM. Equivalent to Long HTP100-12RN and Long WPL100-12N.

**Category:** [UPS batteries](https://bateriasonline.es/en/ups-batteries) → [Fulbat](https://bateriasonline.es/en/fulbat-batteries)

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fp12-100
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FP12-100
- **MPN**: FP12-100
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT FP General Purpose |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 104 Ah |
| Length | 330 mm |
| Width | 173 mm |
| Height | 220 mm |
| Weight | 28 kg |
| Polarity | Positive terminal on the left |
| Terminal type | T11 |

## Quick description

Fulbat FP12-100: UPS battery with 12 V and 104 Ah, measuring 330 × 173 × 220 mm, with the positive terminal on the left.

## Description

## Who the Fulbat FP12-100 is for

The Fulbat FP12-100 replaces the original batteries in a UPS. The FP12-100 spends most of its life on float charge, waiting for a power cut.
The FP12-100 belongs to the Fulbat FULBAT FP General Purpose range. [The full range of Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat FP12-100

Other AGM batteries that fit the FP12-100's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long HTP100-12RN | AGM | 100 Ah | 329.5 × 172.3 × 222 |
| Long WPL100-12N | AGM | 100 Ah | 329.5 × 172.3 × 222 |
| Long WPL100-12RN | AGM | 100 Ah | 329.5 × 172.3 × 222 |
| Q-Battery 12LS-100 | AGM | 107 Ah | 328 × 172 × 222 |

## Fulbat FP12-100 vs FP12-75 and FP12-65: differences

What sets the FP12-100 apart from its neighbours in the Fulbat range:

| Model | Capacity | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|
| Fulbat FP12-100 (this one) | 104 Ah | 330 × 173 × 220 | left | 28 kg |
| Fulbat FP12-75 | 75 Ah | 348 × 167 × 178 | left | 21.4 kg |
| Fulbat FP12-65 | 69 Ah | 348 × 167 × 178 | left | 21.3 kg |

- Fulbat FP12-75: 29 Ah less, a different case (348 × 167 × 178 mm).
- Fulbat FP12-65: 35 Ah less, a different case (348 × 167 × 178 mm).

## What it means that the FP12-100 is AGM

Inside, the FP12-100 has glass fibre separators (AGM) that hold the electrolyte. The FP12-100 needs a charger with an AGM mode that does not exceed 14.7 V.

## What to look at before buying the FP12-100

- Measure the space: the FP12-100 takes up 330 × 173 × 220 mm.
- With the terminals facing you, the positive terminal of the FP12-100 is on the left.
- With 104 Ah, the FP12-100 replaces an original battery of that capacity or slightly less.

## Part numbers and codes for the Fulbat FP12-100

This is how the Fulbat FP12-100 appears on the label and in parts catalogues:

| Commercial reference | FP12-100 |
|---|---|
| Terminal type | T11 |
| Not to be confused with | Fulbat FP12-10H (10.5 Ah), Fulbat FP12-120 (124.8 Ah), Fulbat FLP12-100 (100 Ah) |

## Frequently asked questions about the Fulbat FP12-100

### FP12-100 or FP12-75: which one suits me?

Compared with the FP12-100, the Fulbat FP12-75 has 29 Ah less. With 104 Ah, the FP12-100 runs longer between charges than the FP12-75 (75 Ah). Mind the space: the FP12-75 measures 348 × 167 × 178 mm.

### How much does the Fulbat FP12-100 weigh?

28 kg, with 104 Ah of capacity. For reference, the Fulbat FP12-75 (75 Ah) weighs 21.4 kg.

### Which battery is equivalent to the Fulbat FP12-100?

Only other AGM batteries with its dimensions and polarity: Long HTP100-12RN, Long WPL100-12N and Long WPL100-12RN. Neither an EFB nor a conventional battery replaces the FP12-100.

### Which side is the positive terminal on the Fulbat FP12-100?

On the FP12-100, 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.

### Which charger does the Fulbat FP12-100 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.

## Other options if you are unsure about the FP12-100

- [More uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [Full Fulbat catalogue](https://bateriasonline.es/en/fulbat-batteries)
- [Q-Battery 12LS-120S](https://bateriasonline.es/en/q-battery-12ls-120s) · 118 Ah, 328×177×222 mm

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