# Q-Battery 12LS-2.1 · UPS battery 12V 2.1Ah

![Q-Battery 12LS-2.1 · UPS battery 12V 2.1Ah](https://bateriasonline.es/3698-home_default/q-battery-12ls-2-1.jpg)

> Q-Battery 12LS-2.1: 2.1 Ah UPS battery, 178×35×60 mm, AGM. VAT included and shipping cost shown before you pay.

**Category:** [UPS batteries](https://bateriasonline.es/en/ups-batteries) → [Q-Battery](https://bateriasonline.es/en/q-battery-batteries)

- **Canonical URL**: https://bateriasonline.es/en/q-battery-12ls-2-1
- **Language**: en
- **Brand**: Q-Battery
- **Reference**: BOL-QBATTERY-12LS-2.1
- **EAN**: 4250889610043
- **MPN**: 12LS-2.1
- **Price**: 22,49 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Q-Battery |
| Range | AGM STANDARD |
| Application | UPS systems |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 2.1 Ah |
| Length | 178 mm |
| Width | 35 mm |
| Height | 60 mm |
| Weight | 1 kg |
| Terminal type | F1 (4,75 mm) |

## Quick description

Q-Battery 12LS-2.1: UPS battery with 12 V and 2.1 Ah, measuring 178 × 35 × 60 mm.

## Description

## Where the Q-Battery 12LS-2.1 fits

The Q-Battery 12LS-2.1 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. Check dimensions, terminal type (F1 or F2) and capacity so it fits the unit.
The 12LS-2.1 belongs to the Q-Battery AGM STANDARD range. [See all Q-Battery batteries](https://bateriasonline.es/en/q-battery-batteries)

## Inside the 12LS-2.1: AGM technology

The 12LS-2.1 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the 12LS-2.1 can be fitted in the boot or under a seat with no risk of spills.

## Equivalents and alternatives to the Q-Battery 12LS-2.1

No other reference in the catalogue fully matches the dimensions and polarity of the 12LS-2.1; you will find the closest ones among our [uPS batteries](https://bateriasonline.es/en/ups-batteries).

## Q-Battery 12LS-2.1 codes and part numbers

Look for any of these 12LS-2.1 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | 12LS-2.1 |
|---|---|
| EAN | 4250889610043 |
| Terminal type | F1 (4,75mm) |
| Not to be confused with | Q-Battery 12LS-2.9 (2.9 Ah), Q-Battery 12LS-24 (24 Ah), Q-Battery 12LS-26 (26 Ah) |

## What to look at before buying the 12LS-2.1

- Capacity of the 12LS-2.1: 2.1 Ah; the same as your current battery or slightly more is fine.
- Measure the space: the 12LS-2.1 takes up 178 × 35 × 60 mm.

## Frequently asked questions about the Q-Battery 12LS-2.1

### How much does the Q-Battery 12LS-2.1 weigh?

The 12LS-2.1 weighs 1 kg.

### Which charger does the Q-Battery 12LS-2.1 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.

### What are the dimensions and weight of the Q-Battery 12LS-2.1?

It measures 178 × 35 × 60 mm and weighs 1 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## More batteries to compare with the 12LS-2.1

- [More uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [Full Q-Battery catalogue](https://bateriasonline.es/en/q-battery-batteries)

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