# Stationary UPS battery Fulbat FP6-2.8 6V 2.8Ah AGM

![Stationary UPS battery Fulbat FP6-2.8 6V 2.8Ah AGM](https://baterias.com/6318-home_default/battery-fulbat-fp6-2-8-6v-2-8ah.jpg)

> Fulbat FP6-2.8 stationary UPS battery 6V 2.8Ah AGM. FP General Purpose range. Dimensions 66×33×103 mm. Long float life for UPS, alarms and standby equipment.

**Category:** [Batteries for UPS / UPS](https://baterias.com/gb/batteries-for-sai-ups) → [FULBAT](https://baterias.com/gb/fulbat)

- **Canonical URL**: https://baterias.com/gb/battery-fulbat-fp6-2-8-6v-2-8ah
- **Language**: en-GB
- **Brand**: FULBAT
- **Reference**: BCOM-FULBAT-FP6-2.8
- **MPN**: FP6-2.8
- **Stock**: Out of stock

## Technical specifications

| Feature | Value |
|---|---|
| Brand | FULBAT |
| Model | FULBAT FP General Purpose |
| Voltage (V) | 6 V |
| Largo | 66 mm |
| Ancho | 33 mm |
| Alto | 103 mm |
| Tecnología | AGM |
| Terminal type | FASTON-4.8 |
| Capacity (C20) | 2.8 Ah |

## Quick description

**Fulbat FP6-2.8 6V 2,8Ah** is a stationary battery for backup power systems: UPS, alarms, telecom and emergency lighting. Long float-life under permanent charge and instant response to mains outages with no noticeable voltage drop.

## Why this stationary battery?

- **Instant response** when the mains drop, no voltage dip
- **Long life under 24/7 charge** optimised for permanent service
- **Compatible with your system** existing UPS units and alarm control panels

🔌 Voltage
6 V

⚡ Capacity
2,8 Ah C20

📏 Dimensions
66×33×103 mm

⚙️ Technology
AGM

## Description

## Stationary battery Fulbat FP6-2.8 2.8Ah 6V

6*V* Voltage
2.8*Ah* Capacity

Designed for UPS, alarms, telecoms and emergency lighting, the **Fulbat FP6-2.8** offers **2.8 Ah** with AGM technology on permanent float charge. Measuring 66 × 33 × 103 mm, it is the direct replacement for UPS, alarm and emergency systems fitted from the factory with a 2.8 Ah battery of this format.
- Low self-discharge and high reliability.
- Standard format for UPS and emergency systems.
- AGM: faster recharging and better cycle resistance than a conventional battery.
- Instant response to mains failures.

### Size, terminals and hold-down of the Fulbat FP6-2.8

In terms of format, the Fulbat FP6-2.8 measures 66 × 33 × 103 mm (length × width × height). It uses FASTON-4.8 terminals, the system that anchors and connects it in the vehicle. Before replacing it, measure your current battery tray: if all three dimensions and the terminal positions match, the swap is direct and needs no adapters.

### What the Fulbat FP6-2.8 is for

Designed for UPS, alarms, telecoms and emergency lighting, the Fulbat FP6-2.8 is sealed, gas-free and suitable for technical cabinets and offices. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has FASTON-4.8 terminals.

### Technology inside the Fulbat FP6-2.8

The FP6-2.8 is one of the Fulbat references for this type of use; it shares the same manufacturing and quality-control criteria as the rest of the brand's catalogue.
In an AGM battery the electrolyte is absorbed in glass-fibre separators: there is no free liquid, it cannot spill and it can be mounted at an angle. That construction lowers internal resistance, speeds up recharging and multiplies cycle life compared with a conventional battery.

### Fulbat: the maker behind the FP6-2.8

French brand Fulbat is a European reference in motorcycle, garden and leisure batteries: compact ranges, clear JIS codes and a consistent quality that workshops know well. All the Fulbat batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.

### Official warranty

The Fulbat FP6-2.8 comes with the **manufacturer's official warranty** against manufacturing defects. If it fails through a defect within the warranty period, we replace it at no cost to you.

### Usage and maintenance tips

Replace all the batteries in the set at once and avoid environments continuously above 25 °C. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.

### When you get it and how to return it

Same-day dispatch from our warehouse for in-stock orders placed **before [[ks:cutoff]]**: 24-48 working hours in mainland Spain and Portugal, 3 to 5 days in the islands and the rest of Europe. Returns are accepted for **[[ks:return_days]] days** if the battery has not been used (free collection on the Iberian mainland). You will receive tracking by email.

## Frequently asked questions

### How is the Fulbat FP6-2.8 battery installed in the vehicle?

In most devices it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on this page. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On devices with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

### What is the service life of the FP6-2.8 model?

Expected lifespan of the Fulbat FP6-2.8 is 4 to 7 years in regular use (depends on technology and climate). In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.

### What are the measurements of the FP6-2.8 model?

Dimensions (length × width × height) are 66×33×103 mm — also written as 66x33x103 mm — following the European DIN standard. Always measure the space in your device before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

### Which batteries are equivalent to the Fulbat FP6-2.8?

Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop devices. See the "Equivalents" section to view recommended options at the same performance level.


## Technical team (editorial authorship)

The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — automotive battery specialists since 2015.

→ https://baterias.com/gb/technical-team

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*baterias.com — Automotive batteries · 2026-10-12*