# Long WP3-12 · UPS battery 12V 3Ah

![Long WP3-12 · UPS battery 12V 3Ah](https://bateriasonline.es/768-home_default/long-wp3-12.jpg)

> Long WP3-12: 3 Ah UPS battery, 134×67×65.5 mm, AGM. Equivalent to Fulbat FP12-3.2FR and Ritar RT1232. 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-wp3-12
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP3-12
- **MPN**: WP3-12
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | WP Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 3 Ah |
| Length | 134 mm |
| Width | 67 mm |
| Height | 65.5 mm |
| Weight | 1.3 kg |

## Quick description

The Long WP3-12 is an UPS battery with 12 V and 3 Ah, measuring 134 × 67 × 65.5 mm.

## Description

## The Long WP3-12 at a glance

The Long WP3-12 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. Before ordering the WP3-12, check the terminal type and terminal orientation in your UPS.
The WP3-12 belongs to the Long WP Series range. [The full range of Long batteries](https://bateriasonline.es/en/long-batteries)

## AGM technology in the WP3-12

The WP3-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the WP3-12 can be fitted in the boot or under a seat with no risk of spills.

## Long WP3-12 vs WP1213W and WP1250: differences

Torn between the WP3-12 and another similar Long? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP3-12 (this one) | 3 Ah | 134 × 67 × 65.5 | 1.3 kg |
| Long WP1213W | 3.3 Ah | 134 × 67 × 65.5 | 1.3 kg |
| Long WP1250 | 2 Ah | 143 × 23 × 64 | 0.65 kg |

- Long WP1213W: 0.30 Ah more, the same dimensions.
- Long WP1250: 1 Ah less, a different case (143 × 23 × 64 mm).

## Equivalents and alternatives to the Long WP3-12

Other AGM batteries that fit the WP3-12's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Fulbat FP12-3.2FR | AGM | 3.2 Ah | 134 × 67 × 65.5 |
| Ritar RT1232 | AGM | 3.2 Ah | 134 × 67 × 67 |
| Long WP1213W | AGM | 3.3 Ah | 134 × 67 × 65.5 |

## Part numbers and codes for the Long WP3-12

Look for any of these WP3-12 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | WP3-12 |
|---|---|
| Not to be confused with | Long WP2.3-12 (2.3 Ah), Long WP5-12 (5 Ah), Long WP2-12 (2 Ah) |

## Before ordering the WP3-12, check this

- Your current battery should say about 3 Ah; a little more is also fine.
- The WP3-12 needs 134 × 67 × 65.5 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Long WP3-12

### WP3-12 or WP1213W: which one suits me?

Compared with the WP3-12, the Long WP1213W has 0.30 Ah more. With 3.3 Ah, the WP1213W runs longer between charges than the WP3-12 (3 Ah). Both measure 134 × 67 × 65.5 mm, so they fit the same tray.

### How much does the Long WP3-12 weigh?

1.3 kg, with 3 Ah of capacity. For reference, the Long WP1213W (3.3 Ah) weighs 1.3 kg.

### Which battery is equivalent to the Long WP3-12?

Only other AGM batteries with its dimensions and polarity: Fulbat FP12-3.2FR, Ritar RT1232 and Long WP1213W. Neither an EFB nor a conventional battery replaces the WP3-12.

## Keep comparing: alternatives to the WP3-12

- [More uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [Full Long catalogue](https://bateriasonline.es/en/long-batteries)
- [Fulbat FP12-3.2FR](https://bateriasonline.es/en/fulbat-fp12-3-2fr) · 3.2 Ah, 134×67×65.5 mm
- [Ritar RT1232](https://bateriasonline.es/en/ritar-rt1232) · 3.2 Ah, 134×67×67 mm

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