# Long WPS45-12 · UPS battery 12V 45Ah

![Long WPS45-12 · UPS battery 12V 45Ah](https://bateriasonline.es/1025-home_default/long-wps45-12.jpg)

> Long WPS45-12: 45 Ah UPS battery, 197.7×166×171 mm, AGM. Equivalent to Q-Battery 12LS-45 and Long WPS45-12N. 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-wps45-12
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WPS45-12
- **MPN**: WPS45-12
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | WPS Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 45 Ah |
| Length | 197.7 mm |
| Width | 166 mm |
| Height | 171 mm |
| Weight | 13.5 kg |

## Quick description

Long WPS45-12: UPS battery with 12 V and 45 Ah, measuring 197.7 × 166 × 171 mm.

## Description

## Where the Long WPS45-12 fits

The Long WPS45-12 replaces the original batteries in a UPS. Before ordering the WPS45-12, check the terminal type and terminal orientation in your UPS.
The WPS45-12 belongs to the Long WPS Series range. [The full range of Long batteries](https://bateriasonline.es/en/long-batteries)

## What it means that the WPS45-12 is AGM

Inside, the WPS45-12 has glass fibre separators (AGM) that hold the electrolyte. The WPS45-12 needs a charger with an AGM mode that does not exceed 14.7 V.

## Long WPS45-12 vs WPS40-12 and WPS40-12N: which one to choose?

What sets the WPS45-12 apart from its neighbours in the Long range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WPS45-12 (this one) | 45 Ah | 197.7 × 166 × 171 | 13.5 kg |
| Long WPS40-12 | 40 Ah | 199 × 166 × 171 | 12.6 kg |
| Long WPS40-12N | 40 Ah | 199 × 166 × 171 | 12.6 kg |

- Long WPS40-12: 5 Ah less, the same dimensions.
- Long WPS40-12N: 5 Ah less, the same dimensions.

## Equivalents and alternatives to the Long WPS45-12

Other AGM batteries that fit the WPS45-12's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Q-Battery 12LS-45 | AGM | 45 Ah | 197 × 165 × 170 |
| Long WPS45-12N | AGM | 45 Ah | 197.7 × 166 × 171 |
| Long WPL45-12 | AGM | 45 Ah | 199 × 166 × 171 |
| Long WXL12150W | AGM | 45 Ah | 199 × 166 × 171 |
| Long WPL45-12N | AGM | 45 Ah | 199 × 166 × 171 |
| Long WXL12150WN | AGM | 45 Ah | 199 × 166 × 171 |

## Part numbers and codes for the Long WPS45-12

This is how the Long WPS45-12 appears on the label and in parts catalogues:

| Commercial reference | WPS45-12 |
|---|---|
| Not to be confused with | Long WP45-12 (45 Ah), Long WP4.5-12 (4.5 Ah), Long WPS40-12 (40 Ah) |

## What to look at before buying the WPS45-12

- Your current battery should say about 45 Ah; a little more is also fine.
- The WPS45-12 needs 197.7 × 166 × 171 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Long WPS45-12

### WPS45-12 or WPS40-12: which one suits me?

Compared with the WPS45-12, the Long WPS40-12 has 5 Ah less. With 45 Ah, the WPS45-12 runs longer between charges than the WPS40-12 (40 Ah). Both measure 197.7 × 166 × 171 mm, so they fit the same tray.

### How much does the Long WPS45-12 weigh?

13.5 kg, with 45 Ah of capacity. For reference, the Long WPS40-12 (40 Ah) weighs 12.6 kg.

### Which battery is equivalent to the Long WPS45-12?

Only other AGM batteries with its dimensions and polarity: Q-Battery 12LS-45, Long WPS45-12N and Long WPL45-12. Neither an EFB nor a conventional battery replaces the WPS45-12.

## Other options if you are unsure about the WPS45-12

- [More uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [Full Long catalogue](https://bateriasonline.es/en/long-batteries)
- [Q-Battery 12LS-45](https://bateriasonline.es/en/q-battery-12ls-45) · 45 Ah, 197×165×170 mm
- [Long WPS45-12N](https://bateriasonline.es/en/long-wps45-12n) · 45 Ah, 197.7×166×171 mm

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