# Fulbat FP12-2.9 · UPS battery 12V 2.9Ah

![Fulbat FP12-2.9 · UPS battery 12V 2.9Ah](https://bateriasonline.es/657-home_default/fulbat-fp12-2-9.jpg)

> Fulbat FP12-2.9: 2.9 Ah UPS battery, 79×56×105 mm, AGM. Equivalent to Long WP2.9-12T and Long WP2.9-12TR. Price on request: ask for a free quote.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fp12-2-9
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FP12-2.9
- **MPN**: FP12-2.9
- **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 | 2.9 Ah |
| Length | 79 mm |
| Width | 56 mm |
| Height | 105 mm |
| Weight | 1.1 kg |
| Terminal layout | 2 |
| Terminal type | T1 |

## Quick description

Fulbat FP12-2.9: UPS battery with 12 V and 2.9 Ah, measuring 79 × 56 × 105 mm.

## Description

## The Fulbat FP12-2.9 at a glance

The Fulbat FP12-2.9 is a VRLA AGM battery for UPS and uninterruptible power systems: it stays charged for years waiting for an outage and delivers the energy instantly when it comes. The FP12-2.9 spends most of its life on float charge, waiting for a power cut.
The FP12-2.9 belongs to the Fulbat FULBAT FP General Purpose range. [See all Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## What it means that the FP12-2.9 is AGM

The FP12-2.9 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the FP12-2.9 can be fitted in the boot or under a seat with no risk of spills.

## Fulbat FP12-2.9 vs FP12-2.2 and FP12-3.2FR: which one to choose?

The real differences between the FP12-2.9 and the closest Fulbat models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Fulbat FP12-2.9 (this one) | 2.9 Ah | 79 × 56 × 105 | 1.1 kg |
| Fulbat FP12-2.2 | 2.2 Ah | 70.5 × 47.5 × 103 | 0.78 kg |
| Fulbat FP12-3.2FR | 3.2 Ah | 134 × 67 × 65.5 | 1.35 kg |

- Fulbat FP12-2.2: 0.70 Ah less, a different case (70.5 × 47.5 × 103 mm).
- Fulbat FP12-3.2FR: 0.30 Ah more, a different case (134 × 67 × 65.5 mm).

## Equivalents and alternatives to the Fulbat FP12-2.9

Other AGM batteries that fit the FP12-2.9's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long WP2.9-12T | AGM | 2.9 Ah | 79 × 56 × 107 |
| Long WP2.9-12TR | AGM | 2.9 Ah | 79 × 56 × 107 |

## Part numbers and codes for the Fulbat FP12-2.9

Look for any of these FP12-2.9 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | FP12-2.9 |
|---|---|
| Terminal type | T1 |
| Not to be confused with | Fulbat FP12-2.2 (2.2 Ah, positive terminal on the left), Fulbat FP12-2.3 (2.3 Ah, positive terminal on the left), Fulbat FP12-2.6 (2.6 Ah) |

## Before ordering the FP12-2.9, check this

- Capacity of the FP12-2.9: 2.9 Ah; the same as your current battery or slightly more is fine.
- Measure the space: the FP12-2.9 takes up 79 × 56 × 105 mm.

## Frequently asked questions about the Fulbat FP12-2.9

### FP12-2.9 or FP12-2.2: which one suits me?

Compared with the FP12-2.9, the Fulbat FP12-2.2 has 0.70 Ah less. With 2.9 Ah, the FP12-2.9 runs longer between charges than the FP12-2.2 (2.2 Ah). Mind the space: the FP12-2.2 measures 70.5 × 47.5 × 103 mm.

### How much does the Fulbat FP12-2.9 weigh?

1.1 kg, with 2.9 Ah of capacity. For reference, the Fulbat FP12-2.2 (2.2 Ah) weighs 0.78 kg.

### Which battery is equivalent to the Fulbat FP12-2.9?

Only other AGM batteries with its dimensions and polarity: Long WP2.9-12T and Long WP2.9-12TR. Neither an EFB nor a conventional battery replaces the FP12-2.9.

### Which charger does the Fulbat FP12-2.9 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.

## More batteries to compare with the FP12-2.9

- [All uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [More Fulbat models](https://bateriasonline.es/en/fulbat-batteries)
- [Long WP2.9-12T](https://bateriasonline.es/en/long-wp2-9-12t) · 2.9 Ah, 79×56×107 mm
- [Long WP2.9-12TR](https://bateriasonline.es/en/long-wp2-9-12tr) · 2.9 Ah, 79×56×107 mm

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