# Long WP9-BS · UPS battery 12V 8Ah

![Long WP9-BS · UPS battery 12V 8Ah](https://bateriasonline.es/1160-home_default/long-wp9-bs.jpg)

> Long WP9-BS: 8 Ah UPS battery, 151×88×103 mm, AGM. Equivalent to Long WP12A-BS. 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-wp9-bs
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP9-BS
- **MPN**: WP9-BS
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | Starting Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 8 Ah |
| Length | 151 mm |
| Width | 88 mm |
| Height | 103 mm |
| Weight | 3.4 kg |

## Quick description

Long WP9-BS: UPS battery with 12 V and 8 Ah, measuring 151 × 88 × 103 mm.

## Description

## Where the Long WP9-BS fits

The Long WP9-BS replaces the original batteries in a UPS. Check dimensions, terminal type (F1 or F2) and capacity so it fits the unit.
The WP9-BS belongs to the Long Starting Series range. [See all Long batteries](https://bateriasonline.es/en/long-batteries)

## Equivalents and alternatives to the Long WP9-BS

Other AGM batteries that fit the WP9-BS's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long WP12A-BS | AGM | 9.5 Ah | 151 × 88 × 103 |

## Long WP9-BS vs WP12A-BS, WP7A-BS and WP12-BS: which one to choose?

The real differences between the WP9-BS and the closest Long models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP9-BS (this one) | 8 Ah | 151 × 88 × 103 | 3.4 kg |
| Long WP12A-BS | 9.5 Ah | 151 × 88 × 103 | 3.56 kg |
| Long WP7A-BS | 7 Ah | 151 × 88 × 94 | 3.15 kg |
| Long WP12-BS | 10 Ah | 151 × 88 × 132 | 4.26 kg |
| Long WP1234W | 8.5 Ah | 151 × 65 × 102 | 2.5 kg |

- Long WP12A-BS: 1.5 Ah more, the same dimensions.
- Long WP7A-BS: 1 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 WP9-BS.
- Long WP12-BS: 2 Ah more, a different height (132 mm instead of 103 mm). It only fits if there is room for 132 mm of height.
- Long WP1234W: 0.5 Ah more, a different case (151 × 65 × 102 mm).

## Inside the WP9-BS: AGM technology

Inside, the WP9-BS has glass fibre separators (AGM) that hold the electrolyte. The WP9-BS needs a charger with an AGM mode that does not exceed 14.7 V.

## Check this before ordering the Long WP9-BS

- Measure the space: the WP9-BS takes up 151 × 88 × 103 mm.
- Your current battery should say about 8 Ah; a little more is also fine.

## Part numbers and codes for the Long WP9-BS

This is how the Long WP9-BS appears on the label and in parts catalogues:

| Commercial reference | WP9-BS |
|---|---|
| Not to be confused with | Long WP9B-4 (8 Ah) |

## Frequently asked questions about the Long WP9-BS

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

Compared with the WP9-BS, the Long WP12A-BS has 1.5 Ah more. 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 WP9-BS or WP7A-BS/WP12-BS: what changes?

Mainly the height: the WP9-BS is 103 mm tall and the Long WP7A-BS 94 mm, with the same length and width and 7 Ah against 8 Ah. The Long WP12-BS is 132 mm tall, with 10 Ah and A. Before choosing between the WP9-BS and the WP7A-BS, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Long WP9-BS weigh?

3.4 kg, with 8 Ah of capacity. For reference, the Long WP12A-BS (9.5 Ah) weighs 3.56 kg.

### Which battery is equivalent to the Long WP9-BS?

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

## Other options if you are unsure about the WP9-BS

- [All uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [Full Long catalogue](https://bateriasonline.es/en/long-batteries)
- [Long WP12A-BS](https://bateriasonline.es/en/long-wp12a-bs) · 9.5 Ah, 151×88×103 mm

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