# Long MSK440 · Telecom battery 2V 440Ah

![Long MSK440 · Telecom battery 2V 440Ah](https://bateriasonline.es/1001-home_default/long-msk440.jpg)

> Long MSK440: 440 Ah telecom battery, 197×170×342.5 mm, AGM. Ask for a no-obligation quote.

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

- **Canonical URL**: https://bateriasonline.es/en/long-msk440
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-MSK440
- **MPN**: MSK440
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | MSK Series |
| Application | Telecom systems |
| Technology | AGM |
| Voltage | 2 V |
| Capacity | 440 Ah |
| Length | 197 mm |
| Width | 170 mm |
| Height | 342.5 mm |
| Weight | 29.7 kg |

## Quick description

Long MSK440: telecom battery with 2 V and 440 Ah, measuring 197 × 170 × 342.5 mm.

## Description

## Where the Long MSK440 fits

The Long MSK440 is made for base stations, exchanges and communications cabinets. Its elongated format allows tray mounting with front connection.
The MSK440 belongs to the Long MSK Series range. [See all Long batteries](https://bateriasonline.es/en/long-batteries)

## Equivalents and alternatives to the Long MSK440

We have no other battery with exactly the dimensions and polarity of the MSK440. Browse the rest of our [front-terminal telecom batteries](https://bateriasonline.es/en/front-terminal-telecom-batteries) to compare close options.

## Long MSK440 vs MSK400 and MSK500: differences

What sets the MSK440 apart from its neighbours in the Long range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long MSK440 (this one) | 440 Ah | 197 × 170 × 342.5 | 29.7 kg |
| Long MSK400 | 400 Ah | 197 × 170 × 342.5 | 25.5 kg |
| Long MSK500 | 500 Ah | 241 × 172 × 340 | 33.5 kg |

- Long MSK400: 40 Ah less, the same dimensions.
- Long MSK500: 60 Ah more, a different case (241 × 172 × 340 mm).

## Inside the MSK440: AGM technology

Inside, the MSK440 has glass fibre separators (AGM) that hold the electrolyte. The MSK440 needs a charger with an AGM mode that does not exceed 14.7 V.

## Check this before ordering the Long MSK440

- Measure the space: the MSK440 takes up 197 × 170 × 342.5 mm.
- Your current battery should say about 440 Ah; a little more is also fine.

## Part numbers and codes for the Long MSK440

This is how the Long MSK440 appears on the label and in parts catalogues:

| Commercial reference | MSK440 |
|---|---|
| Not to be confused with | Long MSK400 (400 Ah) |

## Frequently asked questions about the Long MSK440

### MSK440 or MSK400: which one suits me?

Compared with the MSK440, the Long MSK400 has 40 Ah less. With 440 Ah, the MSK440 runs longer between charges than the MSK400 (400 Ah). Both measure 197 × 170 × 342.5 mm, so they fit the same tray.

### How much does the Long MSK440 weigh?

29.7 kg, with 440 Ah of capacity. For reference, the Long MSK400 (400 Ah) weighs 25.5 kg.

### What are the dimensions and weight of the Long MSK440?

It measures 197 × 170 × 342.5 mm and weighs 29.7 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## Other options if you are unsure about the MSK440

- [All front-terminal telecom batteries](https://bateriasonline.es/en/front-terminal-telecom-batteries)
- [Full Long catalogue](https://bateriasonline.es/en/long-batteries)
- [Long MSK600](https://bateriasonline.es/en/long-msk600) · 600 Ah, 241×172×340 mm

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