# Q-Battery 12LS-90 · UPS battery 12V 90Ah

![Q-Battery 12LS-90 · UPS battery 12V 90Ah](https://bateriasonline.es/3743-home_default/q-battery-12ls-90.jpg)

> Q-Battery 12LS-90: 90 Ah UPS battery, 306×169×211 mm, AGM. Equivalent to Long WXL12365WN. Compare sizes and equivalents; 14-day returns.

**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-90
- **Language**: en
- **Brand**: Q-Battery
- **Reference**: BOL-QBATTERY-12LS-90
- **MPN**: 12LS-90
- **Price**: 351,33 € (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 | 90 Ah |
| Length | 306 mm |
| Width | 169 mm |
| Height | 211 mm |
| Weight | 29.5 kg |
| Terminal type | F11 (M6) |

## Quick description

The Q-Battery 12LS-90 is an UPS battery with 12 V and 90 Ah, measuring 306 × 169 × 211 mm.

## Description

## Where the Q-Battery 12LS-90 fits

The Q-Battery 12LS-90 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 12LS-90, check the terminal type and terminal orientation in your UPS.
The 12LS-90 belongs to the Q-Battery AGM STANDARD range. [See all Q-Battery batteries](https://bateriasonline.es/en/q-battery-batteries)

## What it means that the 12LS-90 is AGM

The 12LS-90 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the 12LS-90 can be fitted in the boot or under a seat with no risk of spills.

## Q-Battery 12LS-90 vs 12LS-100 and 12LS-75

Torn between the 12LS-90 and another similar Q-Battery? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Q-Battery 12LS-90 (this one) | 90 Ah | 306 × 169 × 211 | 29.5 kg |
| Q-Battery 12LS-100 | 107 Ah | 328 × 172 × 222 | 30 kg |
| Q-Battery 12LS-75 | 78 Ah | 260 × 169 × 210 | 23.5 kg |

- Q-Battery 12LS-100: 17 Ah more, a different case (328 × 172 × 222 mm).
- Q-Battery 12LS-75: 12 Ah less, a different case (260 × 169 × 210 mm).

## Equivalents and alternatives to the Q-Battery 12LS-90

As the 12LS-90 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) |
|---|---|---|---|
| Long WXL12365WN | AGM | 95 Ah | 306 × 168 × 213 |

## Q-Battery 12LS-90 codes and part numbers

Look for any of these 12LS-90 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | 12LS-90 |
|---|---|
| Terminal type | F11 (M6) |
| Not to be confused with | Q-Battery 12LS-80 (82 Ah) |

## Check this before ordering the Q-Battery 12LS-90

- Your current battery should say about 90 Ah; a little more is also fine.
- Measure the space: the 12LS-90 takes up 306 × 169 × 211 mm.

## Frequently asked questions about the Q-Battery 12LS-90

### Q-Battery 12LS-90 or 12LS-100?

Compared with the 12LS-90, the Q-Battery 12LS-100 has 17 Ah more. With 107 Ah, the 12LS-100 runs longer between charges than the 12LS-90 (90 Ah). Mind the space: the 12LS-100 measures 328 × 172 × 222 mm.

### How much does the Q-Battery 12LS-90 weigh?

The 12LS-90 weighs 29.5 kg. For reference, the Q-Battery 12LS-100 (107 Ah) weighs 30 kg.

### Which battery is equivalent to the Q-Battery 12LS-90?

Only other AGM batteries with its dimensions and polarity: Long WXL12365WN. Neither an EFB nor a conventional battery replaces the 12LS-90.

## Keep comparing: alternatives to the 12LS-90

- [Other uPS batteries](https://bateriasonline.es/en/ups-batteries)
- [Full Q-Battery catalogue](https://bateriasonline.es/en/q-battery-batteries)
- [Ritar HT12-80](https://bateriasonline.es/en/ritar-ht12-80) · 84.6 Ah, 306.5×168.5×215 mm

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