# MK Battery ES4-6 · Electric wheelchair battery 6V 4.5Ah

![MK Battery ES4-6 · Electric wheelchair battery 6V 4.5Ah](https://bateriasonline.es/3481-home_default/mk-battery-es4-6.jpg)

> MK Battery ES4-6: 4.5 Ah electric wheelchair battery, 70.1×47×105.9 mm, AGM. Equivalent to MK Battery ES4-6SA.

**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-es4-6
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES4-6
- **MPN**: ES4-6
- **Price**: 22,93 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | MK Battery |
| Range | MK AGM |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 6 V |
| Capacity | 4.5 Ah |
| Length | 70.1 mm |
| Width | 47 mm |
| Height | 105.9 mm |
| Weight | 0.82 kg |
| Terminal type | F1 |

## Quick description

The MK Battery ES4-6 is an electric wheelchair battery with 6 V and 4.5 Ah, measuring 70.1 × 47 × 105.9 mm.

## Description

## The MK Battery ES4-6 at a glance

The MK Battery ES4-6 is made for powered wheelchairs. With 4.5 Ah per battery, the ES4-6 is designed for a full charge every night.
The ES4-6 belongs to the MK Battery MK AGM range. [More MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## Equivalents and alternatives to the MK Battery ES4-6

Other AGM batteries that fit the ES4-6's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| MK Battery ES4-6SA | AGM | 4 Ah | 70.1 × 47 × 105.9 |

## MK Battery ES4-6 vs ES4-6SA and ES3.8-6

Torn between the ES4-6 and another similar MK Battery? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery ES4-6 (this one) | 4.5 Ah | 70.1 × 47 × 105.9 | 0.82 kg |
| MK Battery ES4-6SA | 4 Ah | 70.1 × 47 × 105.9 | 0.74 kg |
| MK Battery ES3.8-6 | 3.8 Ah | 66 × 33 × 126 | 0.74 kg |

- MK Battery ES4-6SA: 0.5 Ah less, the same dimensions.
- MK Battery ES3.8-6: 0.70 Ah less, a different case (66 × 33 × 126 mm).

## AGM technology in the ES4-6

Inside, the ES4-6 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

## What to look at before buying the ES4-6

- The ES4-6 needs 70.1 × 47 × 105.9 mm of space: measure it with the hold-down clamp in place.
- With 4.5 Ah, the ES4-6 replaces an original battery of that capacity or slightly less.

## Part numbers and codes for the MK Battery ES4-6

Shops, garages and catalogues identify the ES4-6 with these codes:

| Commercial reference | ES4-6 |
|---|---|
| Terminal type | F1 |
| Not to be confused with | MK Battery ES3-6 (3 Ah), MK Battery ES42-6 (42 Ah), MK Battery ES7-6 (7 Ah) |

## Frequently asked questions about the MK Battery ES4-6

### ES4-6 or ES4-6SA: which one suits me?

Compared with the ES4-6, the MK Battery ES4-6SA has 0.5 Ah less. With 4.5 Ah, the ES4-6 runs longer between charges than the ES4-6SA (4 Ah). Both measure 70.1 × 47 × 105.9 mm, so they fit the same tray.

### How much does the MK Battery ES4-6 weigh?

0.82 kg, with 4.5 Ah of capacity. For reference, the MK Battery ES4-6SA (4 Ah) weighs 0.74 kg.

### Which battery is equivalent to the MK Battery ES4-6?

Only other AGM batteries with its dimensions and polarity: MK Battery ES4-6SA. Neither an EFB nor a conventional battery replaces the ES4-6.

### How much range does the MK Battery ES4-6 give in an electric wheelchair?

It depends on weight, terrain and the chair. As a guide, with 4.5 Ah per battery an average chair covers several kilometres a day; range drops with hills and cold batteries.

## More batteries to compare with the ES4-6

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [Full MK Battery catalogue](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

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