# MK Battery M75-12 SLD M · Electric wheelchair battery 12V 75Ah

![MK Battery M75-12 SLD M · Electric wheelchair battery 12V 75Ah](https://bateriasonline.es/3603-home_default/mk-battery-m75-12-sld-m.jpg)

> MK Battery M75-12 SLD M: 75 Ah electric wheelchair battery, 260×170×205 mm, AGM. Equivalent to Kronobat ES75-12.

**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-m75-12-sld-m
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-M75-12 SLD M
- **MPN**: M75-12 SLD M
- **Price**: 246,24 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | MK Battery |
| Range | MK AGM |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 75 Ah |
| Length | 260 mm |
| Width | 170 mm |
| Height | 205 mm |
| Weight | 24.2 kg |
| Terminal type | F16 |

## Quick description

MK Battery M75-12 SLD M: electric wheelchair battery with 12 V and 75 Ah, measuring 260 × 170 × 205 mm.

## Description

## Where the MK Battery M75-12 SLD M fits

The MK Battery M75-12 SLD M is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. With 75 Ah per battery, the M75-12 SLD M is designed for a full charge every night.
The M75-12 SLD M belongs to the MK Battery MK AGM range. [More MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## Inside the M75-12 SLD M: AGM technology

The M75-12 SLD M 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 M75-12 SLD M vs 8A24 HEI and M24 SLD A FT

What sets the M75-12 SLD M apart from its neighbours in the MK Battery range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery M75-12 SLD M (this one) | 75 Ah | 260 × 170 × 205 | 24.2 kg |
| MK Battery 8A24 HEI | 79 Ah | 276.9 × 166.6 × 210.1 | 24.04 kg |
| MK Battery M24 SLD A FT | 79 Ah | 276.9 × 166.6 × 210.1 | 23.59 kg |

- MK Battery 8A24 HEI: 4 Ah more, a different case (276.9 × 166.6 × 210.1 mm).
- MK Battery M24 SLD A FT: 4 Ah more, a different case (276.9 × 166.6 × 210.1 mm).

## Equivalents and alternatives to the MK Battery M75-12 SLD M

Other AGM batteries that fit the M75-12 SLD M's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Kronobat ES75-12 | AGM | 75 Ah | 260 × 170 × 205 |

## Part numbers and codes for the MK Battery M75-12 SLD M

The M75-12 SLD M is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | M75-12 SLD M |
|---|---|
| Terminal type | F16 |
| Not to be confused with | MK Battery M45-12 SLD M (45 Ah), MK Battery M55-12 SLD M (55 Ah) |

## What to look at before buying the M75-12 SLD M

- Capacity of the M75-12 SLD M: 75 Ah; the same as your current battery or slightly more is fine.
- Measure the space: the M75-12 SLD M takes up 260 × 170 × 205 mm.

## Frequently asked questions about the MK Battery M75-12 SLD M

### M75-12 SLD M or 8A24 HEI: which one suits me?

Compared with the M75-12 SLD M, the MK Battery 8A24 HEI has 4 Ah more. With 79 Ah, the 8A24 HEI runs longer between charges than the M75-12 SLD M (75 Ah). Mind the space: the 8A24 HEI measures 276.9 × 166.6 × 210.1 mm.

### How much does the MK Battery M75-12 SLD M weigh?

24.2 kg, with 75 Ah of capacity. For reference, the MK Battery 8A24 HEI (79 Ah) weighs 24.04 kg.

### Which battery is equivalent to the MK Battery M75-12 SLD M?

Only other AGM batteries with its dimensions and polarity: Kronobat ES75-12. Neither an EFB nor a conventional battery replaces the M75-12 SLD M.

### 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 M75-12 SLD M

- [More electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More MK Battery models](https://bateriasonline.es/en/mk-batteries)
- [Kronobat ES75-12](https://bateriasonline.es/en/kronobat-es75-12) · 75 Ah, 260×170×205 mm

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