# MK Battery ES20-6 · Electric wheelchair battery 6V 20Ah

![MK Battery ES20-6 · Electric wheelchair battery 6V 20Ah](https://bateriasonline.es/2924-home_default/mk-battery-es20-6.jpg)

> MK Battery ES20-6: 20 Ah electric wheelchair battery, 155×80×125 mm, AGM. VAT included, shipping cost shown before you pay, 14-day returns.

**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-es20-6
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES20-6
- **MPN**: ES20-6
- **Price**: 82,81 € (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 | 20 Ah |
| Length | 155 mm |
| Width | 80 mm |
| Height | 125 mm |
| Weight | 4 kg |
| Terminal type | F3 |

## Quick description

The MK Battery ES20-6 is an electric wheelchair battery with 6 V and 20 Ah, measuring 155 × 80 × 125 mm.

## Description

## Where the MK Battery ES20-6 fits

The MK Battery ES20-6 is made for powered wheelchairs. With 20 Ah per battery, the ES20-6 is designed for a full charge every night.
The ES20-6 belongs to the MK Battery MK AGM range. [See all MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## Equivalents and alternatives to the MK Battery ES20-6

No other reference in the catalogue fully matches the dimensions and polarity of the ES20-6; you will find the closest ones among our [electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries).

## MK Battery ES20-6 vs ES13-6: which one to choose?

How the ES20-6 compares with MK Battery batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery ES20-6 (this one) | 20 Ah | 155 × 80 × 125 | 4 kg |
| MK Battery ES13-6 | 13 Ah | 108 × 70.1 × 140 | 2.24 kg |

- MK Battery ES13-6: 7 Ah less, a different case (108 × 70.1 × 140 mm).

## Inside the ES20-6: AGM technology

Inside, the ES20-6 has glass fibre separators (AGM) that hold the electrolyte. The ES20-6 needs a charger with an AGM mode that does not exceed 14.7 V.

## Check this before ordering the MK Battery ES20-6

- The ES20-6 needs 155 × 80 × 125 mm of space: measure it with the hold-down clamp in place.
- With 20 Ah, the ES20-6 replaces an original battery of that capacity or slightly less.

## MK Battery ES20-6 codes and part numbers

This is how the MK Battery ES20-6 appears on the label and in parts catalogues:

| Commercial reference | ES20-6 |
|---|---|
| Terminal type | F3 |

## Frequently asked questions about the MK Battery ES20-6

### MK Battery ES20-6 or ES13-6?

Compared with the ES20-6, the MK Battery ES13-6 has 7 Ah less. With 20 Ah, the ES20-6 runs longer between charges than the ES13-6 (13 Ah). Mind the space: the ES13-6 measures 108 × 70.1 × 140 mm.

### How much does the MK Battery ES20-6 weigh?

The ES20-6 weighs 4 kg. For reference, the MK Battery ES13-6 (13 Ah) weighs 2.24 kg.

### What are the dimensions and weight of the MK Battery ES20-6?

It measures 155 × 80 × 125 mm and weighs 4 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## Other options if you are unsure about the ES20-6

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole MK Battery range](https://bateriasonline.es/en/mk-batteries)

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