# Long WP12-BS · UPS battery 12V 10Ah

![Long WP12-BS · UPS battery 12V 10Ah](https://bateriasonline.es/984-home_default/long-wp12-bs.jpg)

> Long WP12-BS: 10 Ah UPS battery, 151×88×132 mm, AGM. 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-wp12-bs
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP12-BS
- **MPN**: WP12-BS
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | Starting Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 10 Ah |
| Length | 151 mm |
| Width | 88 mm |
| Height | 132 mm |
| Weight | 4.26 kg |

## Quick description

The Long WP12-BS is an UPS battery with 12 V and 10 Ah, measuring 151 × 88 × 132 mm.

## Description

## The Long WP12-BS at a glance

The Long WP12-BS 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. The WP12-BS spends most of its life on float charge, waiting for a power cut.
The WP12-BS belongs to the Long Starting Series range. [See all Long batteries](https://bateriasonline.es/en/long-batteries)

## Inside the WP12-BS: AGM technology

The WP12-BS is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the WP12-BS can be fitted in the boot or under a seat with no risk of spills.

## Long WP12-BS vs WP12B-4, WP12A-BS and WP9-BS

How the WP12-BS compares with Long batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP12-BS (this one) | 10 Ah | 151 × 88 × 132 | 4.26 kg |
| Long WP12B-4 | 9.5 Ah | 150 × 69 × 130 | 3.8 kg |
| Long WP12A-BS | 9.5 Ah | 151 × 88 × 103 | 3.56 kg |
| Long WP9-BS | 8 Ah | 151 × 88 × 103 | 3.4 kg |
| Long WP14B-4 | 12 Ah | 150 × 69 × 145 | 4.86 kg |

- Long WP12B-4: 0.5 Ah less, a different case (150 × 69 × 130 mm).
- Long WP12A-BS: 0.5 Ah less, a different height (103 mm instead of 132 mm). It is the option if your battery tray cannot take the 132 mm height of the WP12-BS.
- Long WP9-BS: 2 Ah less, a different height (103 mm instead of 132 mm). It is the option if your battery tray cannot take the 132 mm height of the WP12-BS.
- Long WP14B-4: 2 Ah more, a different case (150 × 69 × 145 mm).

## Equivalents and alternatives to the Long WP12-BS

No other reference in the catalogue fully matches the dimensions and polarity of the WP12-BS; you will find the closest ones among our [uPS batteries](https://bateriasonline.es/en/ups-batteries).

## Long WP12-BS codes and part numbers

Look for any of these WP12-BS codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | WP12-BS |
|---|---|
| Not to be confused with | Long WP12-6S (12 Ah), Long WP12B-4 (9.5 Ah), Long WP12A-BS (9.5 Ah) |

## Check this before ordering the Long WP12-BS

- Capacity of the WP12-BS: 10 Ah; the same as your current battery or slightly more is fine.
- Measure the space: the WP12-BS takes up 151 × 88 × 132 mm.

## Frequently asked questions about the Long WP12-BS

### Long WP12-BS or WP12B-4?

Compared with the WP12-BS, the Long WP12B-4 has 0.5 Ah less. With 10 Ah, the WP12-BS runs longer between charges than the WP12B-4 (9.5 Ah). Mind the space: the WP12B-4 measures 150 × 69 × 130 mm.

### Long WP12-BS or WP12A-BS/WP9-BS: what changes?

Mainly the height: the WP12-BS is 132 mm tall and the Long WP12A-BS 103 mm, with the same length and width and 9.5 Ah against 10 Ah. The Long WP9-BS is 103 mm tall, with 8 Ah and A. Before choosing between the WP12-BS and the WP12A-BS, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Long WP12-BS weigh?

The WP12-BS weighs 4.26 kg. For reference, the Long WP12B-4 (9.5 Ah) weighs 3.8 kg.

### Which charger does the Long WP12-BS 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.

## Other options if you are unsure about the WP12-BS

- [Other 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 · 2026-11-11*