# Fulbat FP6-12 · UPS battery 6V 12Ah

![Fulbat FP6-12 · UPS battery 6V 12Ah](https://bateriasonline.es/637-home_default/fulbat-fp6-12.jpg)

> Fulbat FP6-12: 12 Ah UPS battery, 151×50.5×100 mm, positive terminal on the left, AGM. Equivalent to Long WP12-6S and Ritar RT6120.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fp6-12
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FP6-12
- **MPN**: FP6-12
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT FP General Purpose |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 6 V |
| Capacity | 12 Ah |
| Length | 151 mm |
| Width | 50.5 mm |
| Height | 100 mm |
| Weight | 1.6 kg |
| Polarity | Positive terminal on the left |
| Terminal type | T2 |

## Quick description

The Fulbat FP6-12 is an UPS battery with 6 V and 12 Ah, measuring 151 × 50.5 × 100 mm, with the positive terminal on the left.

## Description

## Where the Fulbat FP6-12 fits

The Fulbat FP6-12 replaces the original batteries in a UPS. Check dimensions, terminal type (F1 or F2) and capacity so it fits the unit.
The FP6-12 belongs to the Fulbat FULBAT FP General Purpose range. [See all Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Inside the FP6-12: AGM technology

Inside, the FP6-12 has glass fibre separators (AGM) that hold the electrolyte. The FP6-12 needs a charger with an AGM mode that does not exceed 14.7 V.

## Fulbat FP6-12 vs FP6-10: which one to choose?

How the FP6-12 compares with Fulbat batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|
| Fulbat FP6-12 (this one) | 12 Ah | 151 × 50.5 × 100 | left | 1.6 kg |
| Fulbat FP6-10 | 10 Ah | 151 × 51 × 100 | left | 1.54 kg |

- Fulbat FP6-10: 2 Ah less, the same dimensions.

## Equivalents and alternatives to the Fulbat FP6-12

As the FP6-12 is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long WP12-6S | AGM | 12 Ah | 151 × 50 × 99 |
| Ritar RT6120 | AGM | 12 Ah | 151 × 50 × 101 |
| Long WP10-6 | AGM | 10 Ah | 151 × 50 × 100 |
| Fulbat FP6-10 | AGM | 10 Ah | 151 × 51 × 100 |

## Fulbat FP6-12 codes and part numbers

This is how the Fulbat FP6-12 appears on the label and in parts catalogues:

| Commercial reference | FP6-12 |
|---|---|
| Terminal type | T2 |
| Not to be confused with | Fulbat FP6-3.2 (3.2 Ah), Fulbat FP6-7.2 (7.2 Ah), Fulbat FP6-10 (10 Ah) |

## Check this before ordering the Fulbat FP6-12

- With 12 Ah, the FP6-12 replaces an original battery of that capacity or slightly less.
- With the terminals facing you, the positive terminal of the FP6-12 is on the left.
- Length, width and height of the FP6-12: 151 × 50.5 × 100 mm.

## Frequently asked questions about the Fulbat FP6-12

### Fulbat FP6-12 or FP6-10?

Compared with the FP6-12, the Fulbat FP6-10 has 2 Ah less. With 12 Ah, the FP6-12 runs longer between charges than the FP6-10 (10 Ah). Both measure 151 × 50.5 × 100 mm, so they fit the same tray.

### How much does the Fulbat FP6-12 weigh?

The FP6-12 weighs 1.6 kg. For reference, the Fulbat FP6-10 (10 Ah) weighs 1.54 kg.

### Which battery is equivalent to the Fulbat FP6-12?

Only other AGM batteries with its dimensions and polarity: Long WP12-6S, Ritar RT6120 and Long WP10-6. Neither an EFB nor a conventional battery replaces the FP6-12.

### Which side is the positive terminal on the Fulbat FP6-12?

The FP6-12 has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.

## Keep comparing: alternatives to the FP6-12

- [Other uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [More Fulbat models](https://bateriasonline.es/en/fulbat-batteries)
- [Q-Battery 6LS-12](https://bateriasonline.es/en/q-battery-6ls-12) · 12 Ah, 151×51×94 mm

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