# Long WP3-6 · UPS battery 6V 3Ah

![Long WP3-6 · UPS battery 6V 3Ah](https://bateriasonline.es/900-home_default/long-wp3-6.jpg)

> Long WP3-6: 3 Ah UPS battery, 134×34×65 mm, AGM. Equivalent to Fulbat FP6-3.2 and Ritar RT632. 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-wp3-6
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP3-6
- **MPN**: WP3-6
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | WP Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 6 V |
| Capacity | 3 Ah |
| Length | 134 mm |
| Width | 34 mm |
| Height | 65 mm |
| Weight | 0.67 kg |

## Quick description

Long WP3-6: UPS battery with 6 V and 3 Ah, measuring 134 × 34 × 65 mm.

## Description

## The Long WP3-6 at a glance

The Long WP3-6 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 WP3-6 spends most of its life on float charge, waiting for a power cut.
The WP3-6 belongs to the Long WP Series range. [More Long batteries](https://bateriasonline.es/en/long-batteries)

## AGM technology in the WP3-6

The WP3-6 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.

## Long WP3-6 vs WPS4-6

What sets the WP3-6 apart from its neighbours in the Long range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP3-6 (this one) | 3 Ah | 134 × 34 × 65 | 0.67 kg |
| Long WPS4-6 | 4 Ah | 70 × 47 × 106 | 745 kg |

- Long WPS4-6: 1 Ah more, a different case (70 × 47 × 106 mm).

## Equivalents and alternatives to the Long WP3-6

Other AGM batteries that fit the WP3-6's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Fulbat FP6-3.2 | AGM | 3.2 Ah | 134 × 34 × 66 |
| Ritar RT632 | AGM | 3.2 Ah | 134 × 35 × 67 |

## Part numbers and codes for the Long WP3-6

The WP3-6 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | WP3-6 |
|---|---|
| Not to be confused with | Long WP13-6 (13 Ah), Long WP5-6 (5 Ah), Long WP7-6 (7 Ah) |

## Before ordering the WP3-6, check this

- With 3 Ah, the WP3-6 replaces an original battery of that capacity or slightly less.
- Measure the space: the WP3-6 takes up 134 × 34 × 65 mm.

## Frequently asked questions about the Long WP3-6

### WP3-6 or WPS4-6: which one suits me?

Compared with the WP3-6, the Long WPS4-6 has 1 Ah more. With 4 Ah, the WPS4-6 runs longer between charges than the WP3-6 (3 Ah). Mind the space: the WPS4-6 measures 70 × 47 × 106 mm.

### How much does the Long WP3-6 weigh?

0.67 kg, with 3 Ah of capacity. For reference, the Long WPS4-6 (4 Ah) weighs 745 kg.

### Which battery is equivalent to the Long WP3-6?

Only other AGM batteries with its dimensions and polarity: Fulbat FP6-3.2 and Ritar RT632. Neither an EFB nor a conventional battery replaces the WP3-6.

### Which charger does the Long WP3-6 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 WP3-6

- [All uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [The whole Long range](https://bateriasonline.es/en/long-batteries)
- [Ritar RT628](https://bateriasonline.es/en/ritar-rt628) · 2.8 Ah, 66×33×104 mm

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