# Ritar FT12-125 · Telecom battery 12V 125Ah

![Ritar FT12-125 · Telecom battery 12V 125Ah](https://bateriasonline.es/3226-home_default/ritar-ft12-125.jpg)

> Ritar FT12-125: 125 Ah telecom battery, 552×110×239 mm, AGM. Compare sizes and equivalents; 14-day returns.

**Category:** [Front-terminal telecom batteries](https://bateriasonline.es/en/front-terminal-telecom-batteries) → [Ritar](https://bateriasonline.es/en/ritar-batteries)

- **Canonical URL**: https://bateriasonline.es/en/ritar-ft12-125
- **Language**: en
- **Brand**: Ritar
- **Reference**: BOL-RITAR-FT12-125
- **MPN**: FT12-125
- **Price**: 477,55 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Ritar |
| Range | RITAR FT |
| Application | Telecom systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 125 Ah (C10) |
| Length | 552 mm |
| Width | 110 mm |
| Height | 239 mm |
| Weight | 36 kg |
| Terminal type | M8 |

## Quick description

Ritar FT12-125: telecom battery with 12 V and 125 Ah, measuring 552 × 110 × 239 mm.

## Description

## The Ritar FT12-125 at a glance

The Ritar FT12-125 is a front-terminal battery for telecommunications: a narrow format for 19 and 23 inch racks, with the terminals accessible from the front. Its elongated format allows tray mounting with front connection.
The FT12-125 belongs to the Ritar RITAR FT range. [The full range of Ritar batteries](https://bateriasonline.es/en/ritar-batteries)

## What it means that the FT12-125 is AGM

The FT12-125 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the FT12-125 can be fitted in the boot or under a seat with no risk of spills.

## Ritar FT12-125 vs FT12-105 and FT12-100A: which one to choose?

The real differences between the FT12-125 and the closest Ritar models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Ritar FT12-125 (this one) | 125 Ah | 552 × 110 × 239 | 36 kg |
| Ritar FT12-105 | 105 Ah | 508 × 111 × 236 | 32.5 kg |
| Ritar FT12-100A | 100 Ah | 508 × 111 × 236 | 29 kg |

- Ritar FT12-105: 20 Ah less, a different case (508 × 111 × 236 mm).
- Ritar FT12-100A: 25 Ah less, a different case (508 × 111 × 236 mm).

## Equivalents and alternatives to the Ritar FT12-125

We have no other battery with exactly the dimensions and polarity of the FT12-125. Browse the rest of our [front-terminal telecom batteries](https://bateriasonline.es/en/front-terminal-telecom-batteries) to compare close options.

## Part numbers and codes for the Ritar FT12-125

Look for any of these FT12-125 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | FT12-125 |
|---|---|
| Terminal type | M8 |
| Not to be confused with | Ritar FT12-105 (105 Ah), Ritar FT12-185 (185 Ah) |

## What to look at before buying the FT12-125

- Capacity of the FT12-125: 125 Ah; the same as your current battery or slightly more is fine.
- The FT12-125 needs 552 × 110 × 239 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Ritar FT12-125

### FT12-125 or FT12-105: which one suits me?

Compared with the FT12-125, the Ritar FT12-105 has 20 Ah less. With 125 Ah, the FT12-125 runs longer between charges than the FT12-105 (105 Ah). Mind the space: the FT12-105 measures 508 × 111 × 236 mm.

### How much does the Ritar FT12-125 weigh?

36 kg, with 125 Ah of capacity. For reference, the Ritar FT12-105 (105 Ah) weighs 32.5 kg.

### What is its service life in float?

Between 10 and 12 years at 20 °C in float design. Every 10 °C of extra ambient temperature halves the life.

## More batteries to compare with the FT12-125

- [All front-terminal telecom batteries](https://bateriasonline.es/en/front-terminal-telecom-batteries)
- [The whole Ritar range](https://bateriasonline.es/en/ritar-batteries)

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