# Long WP14B-4 · UPS battery 12V 12Ah

![Long WP14B-4 · UPS battery 12V 12Ah](https://bateriasonline.es/927-home_default/long-wp14b-4.jpg)

> Long WP14B-4: 12 Ah UPS battery, 150×69×145 mm, AGM. 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-wp14b-4
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP14B-4
- **MPN**: WP14B-4
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | Starting Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 12 Ah |
| Length | 150 mm |
| Width | 69 mm |
| Height | 145 mm |
| Weight | 4.86 kg |

## Quick description

Long WP14B-4: UPS battery with 12 V and 12 Ah, measuring 150 × 69 × 145 mm.

## Description

## Who the Long WP14B-4 is for

The Long WP14B-4 replaces the original batteries in a UPS. Before ordering the WP14B-4, check the terminal type and terminal orientation in your UPS.
The WP14B-4 belongs to the Long Starting Series range. [See all Long batteries](https://bateriasonline.es/en/long-batteries)

## Equivalents and alternatives to the Long WP14B-4

We have no other battery with exactly the dimensions and polarity of the WP14B-4. Browse the rest of our [uPS batteries](https://bateriasonline.es/en/ups-batteries) to compare close options.

## Long WP14B-4 vs WP12-BS, WP12B-4 and WP1236W

What sets the WP14B-4 apart from its neighbours in the Long range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP14B-4 (this one) | 12 Ah | 150 × 69 × 145 | 4.86 kg |
| Long WP12-BS | 10 Ah | 151 × 88 × 132 | 4.26 kg |
| Long WP12B-4 | 9.5 Ah | 150 × 69 × 130 | 3.8 kg |
| Long WP1236W | 9 Ah | 151 × 65 × 102 | 2.7 kg |
| Long WP9B-4 | 8 Ah | 150 × 69 × 105 | 3.46 kg |

- Long WP12-BS: 2 Ah less, a different case (151 × 88 × 132 mm).
- Long WP12B-4: 2.5 Ah less, a different height (130 mm instead of 145 mm). It is the option if your battery tray cannot take the 145 mm height of the WP14B-4.
- Long WP1236W: 3 Ah less, a different height (102 mm instead of 145 mm). It is the option if your battery tray cannot take the 145 mm height of the WP14B-4.
- Long WP9B-4: 4 Ah less, a different case (150 × 69 × 105 mm).

## Inside the WP14B-4: AGM technology

Inside, the WP14B-4 has glass fibre separators (AGM) that hold the electrolyte. The WP14B-4 needs a charger with an AGM mode that does not exceed 14.7 V.

## Check this before ordering the Long WP14B-4

- Length, width and height of the WP14B-4: 150 × 69 × 145 mm.
- Capacity of the WP14B-4: 12 Ah; the same as your current battery or slightly more is fine.

## Part numbers and codes for the Long WP14B-4

This is how the Long WP14B-4 appears on the label and in parts catalogues:

| Commercial reference | WP14B-4 |
|---|---|
| Not to be confused with | Long WP12B-4 (9.5 Ah) |

## Frequently asked questions about the Long WP14B-4

### WP14B-4 or WP12-BS: which one suits me?

Compared with the WP14B-4, the Long WP12-BS has 2 Ah less. With 12 Ah, the WP14B-4 runs longer between charges than the WP12-BS (10 Ah). Mind the space: the WP12-BS measures 151 × 88 × 132 mm.

### Long WP14B-4 or WP12B-4/WP1236W: what changes?

Mainly the height: the WP14B-4 is 145 mm tall and the Long WP12B-4 130 mm, with the same length and width and 9.5 Ah against 12 Ah. The Long WP1236W is 102 mm tall, with 9 Ah and A. Before choosing between the WP14B-4 and the WP12B-4, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Long WP14B-4 weigh?

4.86 kg, with 12 Ah of capacity. For reference, the Long WP12-BS (10 Ah) weighs 4.26 kg.

### Which charger does the Long WP14B-4 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.

## More batteries to compare with the WP14B-4

- [More uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [More Long models](https://bateriasonline.es/en/long-batteries)

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