# Long WPL55-12 · UPS battery 12V 55Ah

![Long WPL55-12 · UPS battery 12V 55Ah](https://bateriasonline.es/1105-home_default/long-wpl55-12.jpg)

> Long WPL55-12: 55 Ah UPS battery, 226×135×229 mm, AGM. Equivalent to Long WXL12205W. Ask for a no-obligation quote.

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

- **Canonical URL**: https://bateriasonline.es/en/long-wpl55-12
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WPL55-12
- **MPN**: WPL55-12
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | WPL Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 55 Ah |
| Length | 226 mm |
| Width | 135 mm |
| Height | 229 mm |
| Weight | 17 kg |

## Quick description

Long WPL55-12: UPS battery with 12 V and 55 Ah, measuring 226 × 135 × 229 mm.

## Description

## Who the Long WPL55-12 is for

The Long WPL55-12 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 WPL55-12, check the terminal type and terminal orientation in your UPS.
The WPL55-12 belongs to the Long WPL Series range. [More Long batteries](https://bateriasonline.es/en/long-batteries)

## Equivalents and alternatives to the Long WPL55-12

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

## Long WPL55-12 vs WPL36-12, WXL12205WN and WPL55-12N: differences

The real differences between the WPL55-12 and the closest Long models:

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

- Long WPL36-12: 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 WPL55-12.
- 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 WPL55-12.
- Long WXL12135W: 19 Ah less, a different case (197 × 131 × 180 mm).

## What it means that the WPL55-12 is AGM

The WPL55-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the WPL55-12 can be fitted in the boot or under a seat with no risk of spills.

## Check this before ordering the Long WPL55-12

- Length, width and height of the WPL55-12: 226 × 135 × 229 mm.
- Capacity of the WPL55-12: 55 Ah; the same as your current battery or slightly more is fine.

## Long WPL55-12 codes and part numbers

Look for any of these WPL55-12 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | WPL55-12 |
|---|---|
| Not to be confused with | Long WPL5-12 (5 Ah), Long WPL45-12 (45 Ah), Long WPL50-12 (50 Ah) |

## Frequently asked questions about the Long WPL55-12

### Long WPL55-12 or WPL36-12?

Compared with the WPL55-12, the Long WPL36-12 has 19 Ah less. With 55 Ah, the WPL55-12 runs longer between charges than the WPL36-12 (36 Ah). Mind the space: the WPL36-12 measures 197 × 131 × 180 mm.

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

Mainly the height: the WPL55-12 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 WPL55-12 and the WXL12205WN, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Long WPL55-12 weigh?

The WPL55-12 weighs 17 kg. For reference, the Long WPL36-12 (36 Ah) weighs 11 kg.

### Which battery is equivalent to the Long WPL55-12?

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

### Which charger does the Long WPL55-12 need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

## Keep comparing: alternatives to the WPL55-12

- [Other uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [The whole Long range](https://bateriasonline.es/en/long-batteries)
- [Long WXL12205W](https://bateriasonline.es/en/long-wxl12205w) · 55 Ah, 226×135×229 mm

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