# MK Battery ES8.2-6S · Electric wheelchair battery 6V 9Ah

![MK Battery ES8.2-6S · Electric wheelchair battery 6V 9Ah](https://bateriasonline.es/3536-home_default/mk-battery-es8-2-6s.jpg)

> MK Battery ES8.2-6S: 9 Ah electric wheelchair battery, 98.6×55.9×118.1 mm, AGM. Price on request: ask for a free 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-es8-2-6s
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES8.2-6S
- **MPN**: ES8.2-6S
- **Last updated**: 2026-11-07

## Technical specifications

| Feature | Value |
|---|---|
| Brand | MK Battery |
| Range | MK AGM |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 6 V |
| Capacity | 9 Ah |
| Length | 98.6 mm |
| Width | 55.9 mm |
| Height | 118.1 mm |
| Weight | 1.7 kg |

## Quick description

The MK Battery ES8.2-6S is an electric wheelchair battery with 6 V and 9 Ah, measuring 98.6 × 55.9 × 118.1 mm.

## Description

## Where the MK Battery ES8.2-6S fits

The MK Battery ES8.2-6S is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. With 9 Ah per battery, the ES8.2-6S is designed for a full charge every night.
The ES8.2-6S belongs to the MK Battery MK AGM range. [More MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## What it means that the ES8.2-6S is AGM

The ES8.2-6S is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES8.2-6S can be fitted in the boot or under a seat with no risk of spills.

## MK Battery ES8.2-6S vs ES12-6 and ES12-6 T2

How the ES8.2-6S compares with MK Battery batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery ES8.2-6S (this one) | 9 Ah | 98.6 × 55.9 × 118.1 | 1.7 kg |
| MK Battery ES12-6 | 12 Ah | 150.9 × 50 × 99.1 | 1.84 kg |
| MK Battery ES12-6 T2 | 12 Ah | 150.9 × 50 × 99.1 | 1.84 kg |

- MK Battery ES12-6: 3 Ah more, a different case (150.9 × 50 × 99.1 mm).
- MK Battery ES12-6 T2: 3 Ah more, a different case (150.9 × 50 × 99.1 mm).

## Equivalents and alternatives to the MK Battery ES8.2-6S

No other reference in the catalogue fully matches the dimensions and polarity of the ES8.2-6S; you will find the closest ones among our [electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries).

## What to look at before buying the ES8.2-6S

- Your current battery should say about 9 Ah; a little more is also fine.
- The ES8.2-6S needs 98.6 × 55.9 × 118.1 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the MK Battery ES8.2-6S

### MK Battery ES8.2-6S or ES12-6?

Compared with the ES8.2-6S, the MK Battery ES12-6 has 3 Ah more. With 12 Ah, the ES12-6 runs longer between charges than the ES8.2-6S (9 Ah). Mind the space: the ES12-6 measures 150.9 × 50 × 99.1 mm.

### How much does the MK Battery ES8.2-6S weigh?

The ES8.2-6S weighs 1.7 kg. For reference, the MK Battery ES12-6 (12 Ah) weighs 1.84 kg.

### Which charger does the MK Battery ES8.2-6S need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

## More batteries to compare with the ES8.2-6S

- [All electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole MK Battery range](https://bateriasonline.es/en/mk-batteries)
- [MK Battery ES9-4](https://bateriasonline.es/en/mk-battery-es9-4) · 9 Ah, 101.1×43.9×102.1 mm
- [MK Battery ES7-6](https://bateriasonline.es/en/mk-battery-es7-6) · 7 Ah, 150.9×34×100.1 mm

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