# Long WP12A-BS · UPS battery 12V 9.5Ah

![Long WP12A-BS · UPS battery 12V 9.5Ah](https://bateriasonline.es/924-home_default/long-wp12a-bs.jpg)

> Long WP12A-BS: 9.5 Ah UPS battery, 151×88×103 mm, AGM. Equivalent to Long WP9-BS. 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-wp12a-bs
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP12A-BS
- **MPN**: WP12A-BS
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | Starting Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 9.5 Ah |
| Length | 151 mm |
| Width | 88 mm |
| Height | 103 mm |
| Weight | 3.56 kg |

## Quick description

The Long WP12A-BS is an UPS battery with 12 V and 9.5 Ah, measuring 151 × 88 × 103 mm.

## Description

## Where the Long WP12A-BS fits

The Long WP12A-BS replaces the original batteries in a UPS. Check dimensions, terminal type (F1 or F2) and capacity so it fits the unit.
The WP12A-BS belongs to the Long Starting Series range. [See all Long batteries](https://bateriasonline.es/en/long-batteries)

## What it means that the WP12A-BS is AGM

Inside, the WP12A-BS has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

## Long WP12A-BS vs WP9-BS, WP12-BS and WP7A-BS

Torn between the WP12A-BS and another similar Long? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP12A-BS (this one) | 9.5 Ah | 151 × 88 × 103 | 3.56 kg |
| Long WP9-BS | 8 Ah | 151 × 88 × 103 | 3.4 kg |
| Long WP12-BS | 10 Ah | 151 × 88 × 132 | 4.26 kg |
| Long WP7A-BS | 7 Ah | 151 × 88 × 94 | 3.15 kg |
| Long WPS12-12T | 12 Ah | 151 × 98 × 104 | 3.68 kg |

- Long WP9-BS: 1.5 Ah less, the same dimensions.
- Long WP12-BS: 0.5 Ah more, a different height (132 mm instead of 103 mm). It only fits if there is room for 132 mm of height.
- Long WP7A-BS: 2.5 Ah less, a different height (94 mm instead of 103 mm). It is the option if your battery tray cannot take the 103 mm height of the WP12A-BS.
- Long WPS12-12T: 2.5 Ah more, a different case (151 × 98 × 104 mm).

## Equivalents and alternatives to the Long WP12A-BS

Other AGM batteries that fit the WP12A-BS's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long WP9-BS | AGM | 8 Ah | 151 × 88 × 103 |

## Part numbers and codes for the Long WP12A-BS

Shops, garages and catalogues identify the WP12A-BS with these codes:

| Commercial reference | WP12A-BS |
|---|---|
| Not to be confused with | Long WP12-BS (10 Ah) |

## Before ordering the WP12A-BS, check this

- With 9.5 Ah, the WP12A-BS replaces an original battery of that capacity or slightly less.
- Length, width and height of the WP12A-BS: 151 × 88 × 103 mm.

## Frequently asked questions about the Long WP12A-BS

### WP12A-BS or WP9-BS: which one suits me?

Compared with the WP12A-BS, the Long WP9-BS has 1.5 Ah less. With 9.5 Ah, the WP12A-BS runs longer between charges than the WP9-BS (8 Ah). Both measure 151 × 88 × 103 mm, so they fit the same tray.

### Long WP12A-BS or WP12-BS/WP7A-BS: what changes?

Mainly the height: the WP12A-BS is 103 mm tall and the Long WP12-BS 132 mm, with the same length and width and 10 Ah against 9.5 Ah. The Long WP7A-BS is 94 mm tall, with 7 Ah and A. Before choosing between the WP12A-BS and the WP12-BS, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Long WP12A-BS weigh?

3.56 kg, with 9.5 Ah of capacity. For reference, the Long WP9-BS (8 Ah) weighs 3.4 kg.

### Which battery is equivalent to the Long WP12A-BS?

Only other AGM batteries with its dimensions and polarity: Long WP9-BS. Neither an EFB nor a conventional battery replaces the WP12A-BS.

### Which charger does the Long WP12A-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.

## Keep comparing: alternatives to the WP12A-BS

- [All uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [More Long models](https://bateriasonline.es/en/long-batteries)
- [Long WP9-BS](https://bateriasonline.es/en/long-wp9-bs) · 8 Ah, 151×88×103 mm

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