# MK Battery ES2-12SLM · Electric wheelchair battery 12V 2Ah

![MK Battery ES2-12SLM · Electric wheelchair battery 12V 2Ah](https://bateriasonline.es/2901-home_default/mk-battery-es2-12slm.jpg)

> MK Battery ES2-12SLM: 2 Ah electric wheelchair battery, 150.1×20.1×89.9 mm, AGM. Price on request: ask for a free quote.

**Category:** [Electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries) → [MK Battery](https://bateriasonline.es/en/mk-batteries)

- **Canonical URL**: https://bateriasonline.es/en/mk-battery-es2-12slm
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES2-12SLM
- **MPN**: ES2-12SLM
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | MK Battery |
| Range | MK AGM |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 2 Ah |
| Length | 150.1 mm |
| Width | 20.1 mm |
| Height | 89.9 mm |
| Weight | 0.73 kg |

## Quick description

MK Battery ES2-12SLM: electric wheelchair battery with 12 V and 2 Ah, measuring 150.1 × 20.1 × 89.9 mm.

## Description

## Who the MK Battery ES2-12SLM is for

The MK Battery ES2-12SLM is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.
The ES2-12SLM belongs to the MK Battery MK AGM range. [More MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## What it means that the ES2-12SLM is AGM

The ES2-12SLM is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES2-12SLM can be fitted in the boot or under a seat with no risk of spills.

## MK Battery ES2-12SLM vs ES2.3-12V and ES1.9-12

The real differences between the ES2-12SLM and the closest MK Battery models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery ES2-12SLM (this one) | 2 Ah | 150.1 × 20.1 × 89.9 | 0.73 kg |
| MK Battery ES2.3-12V | 2.1 Ah | 182.1 × 23.1 × 61 | 0.65 kg |
| MK Battery ES1.9-12 | 2.3 Ah | 178.1 × 34 × 66 | 1.04 kg |

- MK Battery ES2.3-12V: 0.10 Ah more, a different case (182.1 × 23.1 × 61 mm).
- MK Battery ES1.9-12: 0.30 Ah more, a different case (178.1 × 34 × 66 mm).

## Equivalents and alternatives to the MK Battery ES2-12SLM

No other reference in the catalogue fully matches the dimensions and polarity of the ES2-12SLM; you will find the closest ones among our [electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries).

## Before ordering the ES2-12SLM, check this

- Capacity of the ES2-12SLM: 2 Ah; the same as your current battery or slightly more is fine.
- Length, width and height of the ES2-12SLM: 150.1 × 20.1 × 89.9 mm.

## Frequently asked questions about the MK Battery ES2-12SLM

### MK Battery ES2-12SLM or ES2.3-12V?

Compared with the ES2-12SLM, the MK Battery ES2.3-12V has 0.10 Ah more. With 2.1 Ah, the ES2.3-12V runs longer between charges than the ES2-12SLM (2 Ah). Mind the space: the ES2.3-12V measures 182.1 × 23.1 × 61 mm.

### How much does the MK Battery ES2-12SLM weigh?

The ES2-12SLM weighs 0.73 kg. For reference, the MK Battery ES2.3-12V (2.1 Ah) weighs 0.65 kg.

### Do I have to replace both batteries at once?

Yes. Wheelchairs fit two batteries in series, and a new one next to a worn one becomes unbalanced and lasts much less.

## Keep comparing: alternatives to the ES2-12SLM

- [All electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More MK Battery models](https://bateriasonline.es/en/mk-batteries)

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