# Long WP20-6 · UPS battery 6V 20Ah

![Long WP20-6 · UPS battery 6V 20Ah](https://bateriasonline.es/747-home_default/long-wp20-6.jpg)

> Long WP20-6: 20 Ah UPS battery, 157×83×125 mm, AGM. 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-wp20-6
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP20-6
- **MPN**: WP20-6
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | WP Series |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 6 V |
| Capacity | 20 Ah |
| Length | 157 mm |
| Width | 83 mm |
| Height | 125 mm |
| Weight | 3.89 kg |

## Quick description

Long WP20-6: UPS battery with 6 V and 20 Ah, measuring 157 × 83 × 125 mm.

## Description

## The Long WP20-6 at a glance

The Long WP20-6 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. Before ordering the WP20-6, check the terminal type and terminal orientation in your UPS.
The WP20-6 belongs to the Long WP Series range. [The full range of Long batteries](https://bateriasonline.es/en/long-batteries)

## Inside the WP20-6: AGM technology

The WP20-6 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the WP20-6 can be fitted in the boot or under a seat with no risk of spills.

## Long WP20-6 vs WP13-6

What sets the WP20-6 apart from its neighbours in the Long range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP20-6 (this one) | 20 Ah | 157 × 83 × 125 | 3.89 kg |
| Long WP13-6 | 13 Ah | 108 × 70 × 140 | 2.24 kg |

- Long WP13-6: 7 Ah less, a different case (108 × 70 × 140 mm).

## Equivalents and alternatives to the Long WP20-6

We have no other battery with exactly the dimensions and polarity of the WP20-6. Browse the rest of our [uPS batteries](https://bateriasonline.es/en/ups-batteries) to compare close options.

## Part numbers and codes for the Long WP20-6

Look for any of these WP20-6 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | WP20-6 |
|---|---|
| Not to be confused with | Long WP10-6 (10 Ah) |

## What to look at before buying the WP20-6

- Your current battery should say about 20 Ah; a little more is also fine.
- The WP20-6 needs 157 × 83 × 125 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Long WP20-6

### WP20-6 or WP13-6: which one suits me?

Compared with the WP20-6, the Long WP13-6 has 7 Ah less. With 20 Ah, the WP20-6 runs longer between charges than the WP13-6 (13 Ah). Mind the space: the WP13-6 measures 108 × 70 × 140 mm.

### How much does the Long WP20-6 weigh?

3.89 kg, with 20 Ah of capacity. For reference, the Long WP13-6 (13 Ah) weighs 2.24 kg.

### Which charger does the Long WP20-6 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 WP20-6

- [More uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [The whole Long range](https://bateriasonline.es/en/long-batteries)

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