# MK Battery ES5-12 · Electric wheelchair battery 12V 5Ah

![MK Battery ES5-12 · Electric wheelchair battery 12V 5Ah](https://bateriasonline.es/3496-home_default/mk-battery-es5-12.jpg)

> MK Battery ES5-12: 5 Ah electric wheelchair battery, 89.9×70.1×106.9 mm, AGM. Equivalent to Long WP5-12E and Kronobat ES5-12.

**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-es5-12
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES5-12
- **EAN**: 0083996172548
- **MPN**: ES5-12
- **Price**: 38,52 € (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 | 5 Ah |
| Length | 89.9 mm |
| Width | 70.1 mm |
| Height | 106.9 mm |
| Weight | 1.9 kg |
| Terminal type | F1 / F2 |

## Quick description

The MK Battery ES5-12 is an electric wheelchair battery with 12 V and 5 Ah, measuring 89.9 × 70.1 × 106.9 mm.

## Description

## Where the MK Battery ES5-12 fits

The MK Battery ES5-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. The ES5-12 is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The ES5-12 belongs to the MK Battery MK AGM range. [See all MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## What it means that the ES5-12 is AGM

The ES5-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES5-12 can be fitted in the boot or under a seat with no risk of spills.

## Equivalents and alternatives to the MK Battery ES5-12

As the ES5-12 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 WP5-12E | AGM | 5 Ah | 90 × 70 × 107 |
| Kronobat ES5-12 | AGM | 5 Ah | 90 × 70 × 109 |
| MK Battery ES5-12 T2 | AGM | 5 Ah | 89.9 × 70.1 × 106.9 |
| MK Battery ES5-12FR | AGM | 5 Ah | 89.9 × 70.1 × 106.9 |
| MK Battery ES5-12FR T2 | AGM | 5 Ah | 89.9 × 70.1 × 106.9 |
| MK Battery ES5-12SA | AGM | 5 Ah | 89.9 × 70.1 × 106.9 |

## MK Battery ES5-12 codes and part numbers

Look for any of these ES5-12 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ES5-12 |
|---|---|
| EAN | 0083996172548 |
| Terminal type | F1 / F2 |
| Not to be confused with | MK Battery ES3-12 (3 Ah), MK Battery ES50-12 (50 Ah), MK Battery ES7-12 (7.2 Ah) |

## What to look at before buying the ES5-12

- Your current battery should say about 5 Ah; a little more is also fine.
- Measure the space: the ES5-12 takes up 89.9 × 70.1 × 106.9 mm.

## Frequently asked questions about the MK Battery ES5-12

### How much does the MK Battery ES5-12 weigh?

The ES5-12 weighs 1.9 kg.

### Which battery is equivalent to the MK Battery ES5-12?

Only other AGM batteries with its dimensions and polarity: Long WP5-12E, Kronobat ES5-12 and MK Battery ES5-12 T2. Neither an EFB nor a conventional battery replaces the ES5-12.

### 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.

## More batteries to compare with the ES5-12

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More MK Battery models](https://bateriasonline.es/en/mk-batteries)
- [MK Battery ES4.5-4](https://bateriasonline.es/en/mk-battery-es4-5-4) · 4.5 Ah, 48×52.1×100.1 mm
- [MK Battery ES5-12SA T2](https://bateriasonline.es/en/mk-battery-es5-12sa-t2) · 5 Ah, 89.9×70.1×106.9 mm

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