# Long WPS40-12 · UPS battery 12V 40Ah

![Long WPS40-12 · UPS battery 12V 40Ah](https://bateriasonline.es/1021-home_default/long-wps40-12.jpg)

> Long WPS40-12: 40 Ah UPS battery, 199×166×171 mm, AGM. Equivalent to Fulbat FP12-40 and Fulbat FP12-40FR. 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-wps40-12
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WPS40-12
- **MPN**: WPS40-12
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | WPS Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 40 Ah |
| Length | 199 mm |
| Width | 166 mm |
| Height | 171 mm |
| Weight | 12.6 kg |

## Quick description

The Long WPS40-12 is an UPS battery with 12 V and 40 Ah, measuring 199 × 166 × 171 mm.

## Description

## Who the Long WPS40-12 is for

The Long WPS40-12 replaces the original batteries in a UPS. Before ordering the WPS40-12, check the terminal type and terminal orientation in your UPS.
The WPS40-12 belongs to the Long WPS Series range. [The full range of Long batteries](https://bateriasonline.es/en/long-batteries)

## Equivalents and alternatives to the Long WPS40-12

As the WPS40-12 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) |
|---|---|---|---|
| Fulbat FP12-40 | AGM | 40 Ah | 197 × 165 × 170 |
| Fulbat FP12-40FR | AGM | 40 Ah | 197 × 165 × 170 |
| Q-Battery 12LS-38 | AGM | 38 Ah | 197 × 165 × 170 |
| Long WPS40-12N | AGM | 40 Ah | 199 × 166 × 171 |
| Long WPL40-12 | AGM | 40 Ah | 199 × 166 × 171 |
| Long WPL40-12N | AGM | 40 Ah | 199 × 166 × 171 |

## Long WPS40-12 vs WPS45-12 and WPS45-12N: differences

How the WPS40-12 compares with Long batteries of similar size and capacity:

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

- Long WPS45-12: 5 Ah more, the same dimensions.
- Long WPS45-12N: 5 Ah more, the same dimensions.

## AGM technology in the WPS40-12

Inside, the WPS40-12 has glass fibre separators (AGM) that hold the electrolyte. The WPS40-12 needs a charger with an AGM mode that does not exceed 14.7 V.

## Before ordering the WPS40-12, check this

- The WPS40-12 needs 199 × 166 × 171 mm of space: measure it with the hold-down clamp in place.
- Your current battery should say about 40 Ah; a little more is also fine.

## Long WPS40-12 codes and part numbers

This is how the Long WPS40-12 appears on the label and in parts catalogues:

| Commercial reference | WPS40-12 |
|---|---|
| Not to be confused with | Long WP40-12 (40 Ah), Long WPS45-12 (45 Ah), Long WPS4-12 (4 Ah) |

## Frequently asked questions about the Long WPS40-12

### Long WPS40-12 or WPS45-12?

Compared with the WPS40-12, the Long WPS45-12 has 5 Ah more. With 45 Ah, the WPS45-12 runs longer between charges than the WPS40-12 (40 Ah). Both measure 199 × 166 × 171 mm, so they fit the same tray.

### How much does the Long WPS40-12 weigh?

The WPS40-12 weighs 12.6 kg. For reference, the Long WPS45-12 (45 Ah) weighs 13.5 kg.

### Which battery is equivalent to the Long WPS40-12?

Only other AGM batteries with its dimensions and polarity: Fulbat FP12-40, Fulbat FP12-40FR and Q-Battery 12LS-38. Neither an EFB nor a conventional battery replaces the WPS40-12.

### What is the difference between F1 and F2 terminals?

The tab width: F1 is 4.8 mm and F2 is 6.35 mm. Most UPS units use F2; check your unit's connector before ordering.

## More batteries to compare with the WPS40-12

- [More uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [Full Long catalogue](https://bateriasonline.es/en/long-batteries)
- [Fulbat FP12-40](https://bateriasonline.es/en/fulbat-fp12-40) · 40 Ah, 197×165×170 mm
- [Fulbat FP12-40FR](https://bateriasonline.es/en/fulbat-fp12-40fr) · 40 Ah, 197×165×170 mm

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