# MK Battery M22NF SLD A · Electric wheelchair battery 12V 55Ah

![MK Battery M22NF SLD A · Electric wheelchair battery 12V 55Ah](https://bateriasonline.es/3568-home_default/mk-battery-m22nf-sld-a.jpg)

> MK Battery M22NF SLD A: 55 Ah electric wheelchair battery, 243.8×138.9×234.7 mm, AGM. Equivalent to Deka 8A22NF and MK Battery 8A22NF.

**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-m22nf-sld-a
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-M22NF SLD A
- **MPN**: M22NF SLD A
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | MK Battery |
| Range | MK AGM |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 55 Ah |
| Length | 243.8 mm |
| Width | 138.9 mm |
| Height | 234.7 mm |
| Weight | 16.78 kg |

## Quick description

The MK Battery M22NF SLD A is an electric wheelchair battery with 12 V and 55 Ah, measuring 243.8 × 138.9 × 234.7 mm.

## Description

## Where the MK Battery M22NF SLD A fits

The MK Battery M22NF SLD A 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 M22NF SLD A belongs to the MK Battery MK AGM range. [See all MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## What it means that the M22NF SLD A is AGM

Inside, the M22NF SLD A has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

## MK Battery M22NF SLD A vs M22NF-HC and M62-12 SLD M: differences

Torn between the M22NF SLD A and another similar MK Battery? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery M22NF SLD A (this one) | 55 Ah | 243.8 × 138.9 × 234.7 | 16.78 kg |
| MK Battery M22NF-HC | 48.4 Ah | 228.3 × 138.9 × 210.1 | 18.14 kg |
| MK Battery M62-12 SLD M | 65 Ah | 226 × 135 × 214 | 18.7 kg |

- MK Battery M22NF-HC: 6.60 Ah less, a different case (228.3 × 138.9 × 210.1 mm).
- MK Battery M62-12 SLD M: 10 Ah more, a different case (226 × 135 × 214 mm).

## Equivalents and alternatives to the MK Battery M22NF SLD A

Other AGM batteries that fit the M22NF SLD A's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Deka 8A22NF | AGM | 55 Ah | 243.8 × 138.9 × 234.7 |
| MK Battery 8A22NF | AGM | 55 Ah | 243.8 × 138.9 × 234.7 |

## Part numbers and codes for the MK Battery M22NF SLD A

Shops, garages and catalogues identify the M22NF SLD A with these codes:

| Commercial reference | M22NF SLD A |
|---|---|
| Not to be confused with | MK Battery M22NF SLD G (51 Ah) |

## Check this before ordering the MK Battery M22NF SLD A

- Your current battery should say about 55 Ah; a little more is also fine.
- The M22NF SLD A needs 243.8 × 138.9 × 234.7 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the MK Battery M22NF SLD A

### M22NF SLD A or M22NF-HC: which one suits me?

Compared with the M22NF SLD A, the MK Battery M22NF-HC has 6.60 Ah less. With 55 Ah, the M22NF SLD A runs longer between charges than the M22NF-HC (48.4 Ah). Mind the space: the M22NF-HC measures 228.3 × 138.9 × 210.1 mm.

### How much does the MK Battery M22NF SLD A weigh?

16.78 kg, with 55 Ah of capacity. For reference, the MK Battery M22NF-HC (48.4 Ah) weighs 18.14 kg.

### Which battery is equivalent to the MK Battery M22NF SLD A?

Only other AGM batteries with its dimensions and polarity: Deka 8A22NF and MK Battery 8A22NF. Neither an EFB nor a conventional battery replaces the M22NF SLD A.

### 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.

## Other options if you are unsure about the M22NF SLD A

- [All electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [Full MK Battery catalogue](https://bateriasonline.es/en/mk-batteries)
- [Ritar RA12-55A](https://bateriasonline.es/en/ritar-ra12-55a) · 58 Ah, 229×138×235 mm

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