# Long WXL12205W · UPS battery 12V 55Ah

![Long WXL12205W · UPS battery 12V 55Ah](https://bateriasonline.es/1092-home_default/long-wxl12205w.jpg)

> Long WXL12205W: 55 Ah UPS battery, 226×135×229 mm, AGM. Equivalent to Long WPL55-12. Price on request: ask for a free quote.

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

- **Canonical URL**: https://bateriasonline.es/en/long-wxl12205w
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WXL12205W
- **MPN**: WXL12205W
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | WXL Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 55 Ah |
| Length | 226 mm |
| Width | 135 mm |
| Height | 229 mm |
| Weight | 17.1 kg |
| Energy | 215 Wh |

## Quick description

Long WXL12205W: UPS battery with 12 V and 55 Ah, measuring 226 × 135 × 229 mm.

## Description

## Who the Long WXL12205W is for

The Long WXL12205W 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. Before ordering the WXL12205W, check the terminal type and terminal orientation in your UPS.
The WXL12205W belongs to the Long WXL Series range. [See all Long batteries](https://bateriasonline.es/en/long-batteries)

## What it means that the WXL12205W is AGM

The WXL12205W is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## Long WXL12205W vs WXL12135W, WXL12205WN and WPL55-12N: differences

The real differences between the WXL12205W and the closest Long models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WXL12205W (this one) | 55 Ah | 226 × 135 × 229 | 17.1 kg |
| Long WXL12135W | 36 Ah | 197 × 131 × 180 | 11 kg |
| Long WXL12205WN | 55 Ah | 226 × 135 × 214 | 17.1 kg |
| Long WPL55-12N | 55 Ah | 226 × 135 × 214 | 17 kg |
| Long WPL36-12 | 36 Ah | 197 × 131 × 180 | 11 kg |

- Long WXL12135W: 19 Ah less, a different case (197 × 131 × 180 mm).
- Long WXL12205WN: the same capacity, a different height (214 mm instead of 229 mm). It is the option if your battery tray cannot take the 229 mm height of the WXL12205W.
- Long WPL55-12N: the same capacity, a different height (214 mm instead of 229 mm). It is the option if your battery tray cannot take the 229 mm height of the WXL12205W.
- Long WPL36-12: 19 Ah less, a different case (197 × 131 × 180 mm).

## Equivalents and alternatives to the Long WXL12205W

As the WXL12205W 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 WPL55-12 | AGM | 55 Ah | 226 × 135 × 229 |

## Long WXL12205W codes and part numbers

The WXL12205W is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | WXL12205W |
|---|---|
| Not to be confused with | Long WXL1225W (5 Ah) |

## What to look at before buying the WXL12205W

- Capacity of the WXL12205W: 55 Ah; the same as your current battery or slightly more is fine.
- The WXL12205W needs 226 × 135 × 229 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Long WXL12205W

### Long WXL12205W or WXL12135W?

Compared with the WXL12205W, the Long WXL12135W has 19 Ah less. With 55 Ah, the WXL12205W runs longer between charges than the WXL12135W (36 Ah). Mind the space: the WXL12135W measures 197 × 131 × 180 mm.

### Long WXL12205W or WXL12205WN/WPL55-12N: what changes?

Mainly the height: the WXL12205W is 229 mm tall and the Long WXL12205WN 214 mm, with the same length and width and 55 Ah against 55 Ah. The Long WPL55-12N is 214 mm tall, with 55 Ah and A. Before choosing between the WXL12205W and the WXL12205WN, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Long WXL12205W weigh?

The WXL12205W weighs 17.1 kg. For reference, the Long WXL12135W (36 Ah) weighs 11 kg.

### Which battery is equivalent to the Long WXL12205W?

Only other AGM batteries with its dimensions and polarity: Long WPL55-12. Neither an EFB nor a conventional battery replaces the WXL12205W.

## Other options if you are unsure about the WXL12205W

- [Other uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [More Long models](https://bateriasonline.es/en/long-batteries)
- [Long WPL55-12](https://bateriasonline.es/en/long-wpl55-12) · 55 Ah, 226×135×229 mm

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