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

![MK Battery ES5-12SA · Electric wheelchair battery 12V 5Ah](https://bateriasonline.es/3508-home_default/mk-battery-es5-12sa.jpg)

> MK Battery ES5-12SA: 5 Ah electric wheelchair battery, 89.9×70.1×106.9 mm, AGM. Equivalent to Long WP5-12E and Kronobat ES5-12. Ask for a no-obligation 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-es5-12sa
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES5-12SA
- **MPN**: ES5-12SA
- **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 | 1.61 kg |

## Quick description

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

## Description

## Where the MK Battery ES5-12SA fits

The MK Battery ES5-12SA is made for powered wheelchairs. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.
The ES5-12SA belongs to the MK Battery MK AGM range. [See all MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## Inside the ES5-12SA: AGM technology

Inside, the ES5-12SA has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

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

As the ES5-12SA 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 | AGM | 5 Ah | 89.9 × 70.1 × 106.9 |
| 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 codes and part numbers

Shops, garages and catalogues identify the ES5-12SA with these codes:

| Commercial reference | ES5-12SA |
|---|---|
| Not to be confused with | MK Battery ES7-12SA (7 Ah) |

## Before ordering the ES5-12SA, check this

- Capacity of the ES5-12SA: 5 Ah; the same as your current battery or slightly more is fine.
- Length, width and height of the ES5-12SA: 89.9 × 70.1 × 106.9 mm.

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

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

The ES5-12SA weighs 1.61 kg.

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

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

### 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 ES5-12SA

- [More electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole MK Battery range](https://bateriasonline.es/en/mk-batteries)
- [Long WP5-12E](https://bateriasonline.es/en/long-wp5-12e) · 5 Ah, 90×70×107 mm
- [Kronobat ES5-12](https://bateriasonline.es/en/kronobat-es5-12) · 5 Ah, 90×70×109 mm

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