# MK Battery ES12-12 · Electric wheelchair battery 12V 12Ah

![MK Battery ES12-12 · Electric wheelchair battery 12V 12Ah](https://bateriasonline.es/2873-home_default/mk-battery-es12-12.jpg)

> MK Battery ES12-12: 12 Ah electric wheelchair battery, 150.9×98×98 mm, AGM. Equivalent to Long WP12-12 and Long WP12-12A.

**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-es12-12
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES12-12
- **MPN**: ES12-12
- **Price**: 53,81 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | MK Battery |
| Range | MK AGM |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 12 Ah |
| Length | 150.9 mm |
| Width | 98 mm |
| Height | 98 mm |
| Weight | 4.01 kg |
| Terminal type | F2 |

## Quick description

MK Battery ES12-12: electric wheelchair battery with 12 V and 12 Ah, measuring 150.9 × 98 × 98 mm.

## Description

## The MK Battery ES12-12 at a glance

The MK Battery ES12-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. The ES12-12 is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The ES12-12 belongs to the MK Battery MK AGM range. [See all MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## What it means that the ES12-12 is AGM

The ES12-12 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.

## MK Battery ES12-12 vs ES14-12 and ES14-12TE: which one to choose?

What sets the ES12-12 apart from its neighbours in the MK Battery range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery ES12-12 (this one) | 12 Ah | 150.9 × 98 × 98 | 4.01 kg |
| MK Battery ES14-12 | 14 Ah | 150.9 × 98 × 100.1 | 4.39 kg |
| MK Battery ES14-12TE | 14 Ah | 150.9 × 99.1 × 96 | 4.39 kg |

- MK Battery ES14-12: 2 Ah more, a different case (150.9 × 98 × 100.1 mm).
- MK Battery ES14-12TE: 2 Ah more, the same dimensions.

## Equivalents and alternatives to the MK Battery ES12-12

Other AGM batteries that fit the ES12-12's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long WP12-12 | AGM | 12 Ah | 151 × 98 × 98 |
| Long WP12-12A | AGM | 12 Ah | 151 × 98 × 98 |
| Long WP12-12E | AGM | 12 Ah | 151 × 98 × 98 |
| Kronobat ES12-12 | AGM | 12 Ah | 151 × 99 × 100 |
| Q-Battery 12LCP-12 | AGM | 13 Ah | 151 × 98 × 95 |
| Long WP14-12SE | AGM | 14 Ah | 151 × 98 × 100 |

## Part numbers and codes for the MK Battery ES12-12

The ES12-12 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | ES12-12 |
|---|---|
| Terminal type | F2 |
| Not to be confused with | MK Battery ES1.9-12 (2.3 Ah), MK Battery ES14-12 (14 Ah), MK Battery ES17-12 (18 Ah) |

## Check this before ordering the MK Battery ES12-12

- Capacity of the ES12-12: 12 Ah; the same as your current battery or slightly more is fine.
- Length, width and height of the ES12-12: 150.9 × 98 × 98 mm.

## Frequently asked questions about the MK Battery ES12-12

### ES12-12 or ES14-12: which one suits me?

Compared with the ES12-12, the MK Battery ES14-12 has 2 Ah more. With 14 Ah, the ES14-12 runs longer between charges than the ES12-12 (12 Ah). Mind the space: the ES14-12 measures 150.9 × 98 × 100.1 mm.

### How much does the MK Battery ES12-12 weigh?

4.01 kg, with 12 Ah of capacity. For reference, the MK Battery ES14-12 (14 Ah) weighs 4.39 kg.

### Which battery is equivalent to the MK Battery ES12-12?

Only other AGM batteries with its dimensions and polarity: Long WP12-12, Long WP12-12A and Long WP12-12E. Neither an EFB nor a conventional battery replaces the ES12-12.

## More batteries to compare with the ES12-12

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [Full MK Battery catalogue](https://bateriasonline.es/en/mk-batteries)
- [Long WP12-12](https://bateriasonline.es/en/long-wp12-12) · 12 Ah, 151×98×98 mm
- [Long WP12-12A](https://bateriasonline.es/en/long-wp12-12a) · 12 Ah, 151×98×98 mm

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