# Fulbat FP12-9 · UPS battery 12V 9Ah

![Fulbat FP12-9 · UPS battery 12V 9Ah](https://bateriasonline.es/687-home_default/fulbat-fp12-9.jpg)

> Fulbat FP12-9: 9 Ah UPS battery, 151×65×99.5 mm, AGM. Equivalent to Ritar RT1290 and Long WP1236W. Ask for a no-obligation quote.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fp12-9
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FP12-9
- **MPN**: FP12-9
- **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 | 9 Ah |
| Length | 151 mm |
| Width | 65 mm |
| Height | 99.5 mm |
| Weight | 2.52 kg |
| Terminal layout | 4 |
| Terminal type | T2 |

## Quick description

Fulbat FP12-9: UPS battery with 12 V and 9 Ah, measuring 151 × 65 × 99.5 mm.

## Description

## Who the Fulbat FP12-9 is for

The Fulbat FP12-9 replaces the original batteries in a UPS. The FP12-9 spends most of its life on float charge, waiting for a power cut.
The FP12-9 belongs to the Fulbat FULBAT FP General Purpose range. [More Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat FP12-9

Other AGM batteries that fit the FP12-9's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Ritar RT1290 | AGM | 9 Ah | 151 × 65 × 100 |
| Long WP1236W | AGM | 9 Ah | 151 × 65 × 102 |
| Long WP1234W | AGM | 8.5 Ah | 151 × 65 × 102 |
| Long WPL1235W | AGM | 8.5 Ah | 151 × 65 × 102 |
| Long WPS8-12 | AGM | 8 Ah | 151 × 65 × 102 |
| Ritar RT1272 | AGM | 7.2 Ah | 151 × 65 × 100 |

## Fulbat FP12-9 vs FP12-7.2FR and FP12-12FR: which one to choose?

What sets the FP12-9 apart from its neighbours in the Fulbat range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Fulbat FP12-9 (this one) | 9 Ah | 151 × 65 × 99.5 | 2.52 kg |
| Fulbat FP12-7.2FR | 7.2 Ah | 151 × 65 × 99.5 | 1.97 kg |
| Fulbat FP12-12FR | 12 Ah | 151 × 98 × 101 | 3.24 kg |

- Fulbat FP12-7.2FR: 1.8 Ah less, the same dimensions.
- Fulbat FP12-12FR: 3 Ah more, a different case (151 × 98 × 101 mm).

## AGM technology in the FP12-9

Inside, the FP12-9 has glass fibre separators (AGM) that hold the electrolyte. The FP12-9 needs a charger with an AGM mode that does not exceed 14.7 V.

## Before ordering the FP12-9, check this

- Measure the space: the FP12-9 takes up 151 × 65 × 99.5 mm.
- With 9 Ah, the FP12-9 replaces an original battery of that capacity or slightly less.

## Part numbers and codes for the Fulbat FP12-9

This is how the Fulbat FP12-9 appears on the label and in parts catalogues:

| Commercial reference | FP12-9 |
|---|---|
| Terminal type | T2 |
| Not to be confused with | Fulbat FP12-2.9 (2.9 Ah), Fulbat FP12-5 (5.4 Ah) |

## Frequently asked questions about the Fulbat FP12-9

### FP12-9 or FP12-7.2FR: which one suits me?

Compared with the FP12-9, the Fulbat FP12-7.2FR has 1.8 Ah less. With 9 Ah, the FP12-9 runs longer between charges than the FP12-7.2FR (7.2 Ah). Both measure 151 × 65 × 99.5 mm, so they fit the same tray.

### How much does the Fulbat FP12-9 weigh?

2.52 kg, with 9 Ah of capacity. For reference, the Fulbat FP12-7.2FR (7.2 Ah) weighs 1.97 kg.

### Which battery is equivalent to the Fulbat FP12-9?

Only other AGM batteries with its dimensions and polarity: Ritar RT1290, Long WP1236W and Long WP1234W. Neither an EFB nor a conventional battery replaces the FP12-9.

### What is the difference between F1 and F2 terminals?

The tab width: F1 is 4.8 mm and F2 is 6.35 mm. Most UPS units use F2; check your unit's connector before ordering.

## Keep comparing: alternatives to the FP12-9

- [Other uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [More Fulbat models](https://bateriasonline.es/en/fulbat-batteries)
- [Ritar RT1290](https://bateriasonline.es/en/ritar-rt1290) · 9 Ah, 151×65×100 mm
- [Long WP1236W](https://bateriasonline.es/en/long-wp1236w) · 9 Ah, 151×65×102 mm

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