# Long WP1236W · UPS battery 12V 9Ah

![Long WP1236W · UPS battery 12V 9Ah](https://bateriasonline.es/952-home_default/long-wp1236w.jpg)

> Long WP1236W: 9 Ah UPS battery, 151×65×102 mm, AGM. Equivalent to Ritar RT1290 and Fulbat FP12-9.

**Category:** [UPS batteries](https://bateriasonline.es/en/ups-batteries) → [Long](https://bateriasonline.es/en/long-batteries)

- **Canonical URL**: https://bateriasonline.es/en/long-wp1236w
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP1236W
- **EAN**: 4260030442591
- **MPN**: WP1236W
- **Price**: 18,62 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | WP WATT Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 9 Ah |
| Length | 151 mm |
| Width | 65 mm |
| Height | 102 mm |
| Weight | 2.7 kg |
| Energy | 36 Wh |

## Quick description

The Long WP1236W is an UPS battery with 12 V and 9 Ah, measuring 151 × 65 × 102 mm.

## Description

## The Long WP1236W at a glance

The Long WP1236W 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 WP1236W spends most of its life on float charge, waiting for a power cut.
The WP1236W belongs to the Long WP WATT Series range. [More Long batteries](https://bateriasonline.es/en/long-batteries)

## Equivalents and alternatives to the Long WP1236W

As the WP1236W 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) |
|---|---|---|---|
| Ritar RT1290 | AGM | 9 Ah | 151 × 65 × 100 |
| Fulbat FP12-9 | AGM | 9 Ah | 151 × 65 × 99.5 |
| Ritar RT1272 | AGM | 7.2 Ah | 151 × 65 × 100 |
| Fulbat FP12-7.2FR | AGM | 7.2 Ah | 151 × 65 × 99.5 |
| Ritar RT1270 | AGM | 7 Ah | 151 × 65 × 100 |
| Long WP1234W | AGM | 8.5 Ah | 151 × 65 × 102 |

## Long WP1236W vs WP1234W, WP12B-4 and WP7B-4

Torn between the WP1236W and another similar Long? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP1236W (this one) | 9 Ah | 151 × 65 × 102 | 2.7 kg |
| Long WP1234W | 8.5 Ah | 151 × 65 × 102 | 2.5 kg |
| Long WP12B-4 | 9.5 Ah | 150 × 69 × 130 | 3.8 kg |
| Long WP7B-4 | 6.5 Ah | 150 × 65 × 93 | 2.7 kg |
| Long WPL1235W | 8.5 Ah | 151 × 65 × 102 | 2.7 kg |

- Long WP1234W: 0.5 Ah less, the same dimensions.
- Long WP12B-4: 0.5 Ah more, a different height (130 mm instead of 102 mm). It only fits if there is room for 130 mm of height.
- Long WP7B-4: 2.5 Ah less, a different height (93 mm instead of 102 mm). It is the option if your battery tray cannot take the 102 mm height of the WP1236W.
- Long WPL1235W: 0.5 Ah less, the same dimensions.

## Inside the WP1236W: AGM technology

The WP1236W is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## Check this before ordering the Long WP1236W

- The WP1236W needs 151 × 65 × 102 mm of space: measure it with the hold-down clamp in place.
- Your current battery should say about 9 Ah; a little more is also fine.

## Long WP1236W codes and part numbers

The WP1236W is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | WP1236W |
|---|---|
| EAN | 4260030442591 |
| Not to be confused with | Long WP1234W (8.5 Ah) |

## Frequently asked questions about the Long WP1236W

### Long WP1236W or WP1234W?

Compared with the WP1236W, the Long WP1234W has 0.5 Ah less. With 9 Ah, the WP1236W runs longer between charges than the WP1234W (8.5 Ah). Both measure 151 × 65 × 102 mm, so they fit the same tray.

### Long WP1236W or WP12B-4/WP7B-4: what changes?

Mainly the height: the WP1236W is 102 mm tall and the Long WP12B-4 130 mm, with the same length and width and 9.5 Ah against 9 Ah. The Long WP7B-4 is 93 mm tall, with 6.5 Ah and A. Before choosing between the WP1236W and the WP12B-4, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Long WP1236W weigh?

The WP1236W weighs 2.7 kg. For reference, the Long WP1234W (8.5 Ah) weighs 2.5 kg.

### Which battery is equivalent to the Long WP1236W?

Only other AGM batteries with its dimensions and polarity: Ritar RT1290, Fulbat FP12-9 and Ritar RT1272. Neither an EFB nor a conventional battery replaces the WP1236W.

## Keep comparing: alternatives to the WP1236W

- [More uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [Full Long catalogue](https://bateriasonline.es/en/long-batteries)
- [Long WP1236WT](https://bateriasonline.es/en/long-wp1236wt) · 9 Ah, 151×65×106 mm

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