# MK Battery 8G8D · Electric wheelchair battery 12V 225Ah

![MK Battery 8G8D · Electric wheelchair battery 12V 225Ah](https://bateriasonline.es/2832-home_default/mk-battery-8g8d.jpg)

> MK Battery 8G8D: 225 Ah electric wheelchair battery, 519.2×278.6×253.5 mm, GEL. Compare sizes and equivalents; 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-8g8d
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-8G8D
- **MPN**: 8G8D
- **Price**: 921,79 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | MK Battery |
| Range | MK GEL |
| Application | Electric wheelchairs |
| Technology | GEL |
| Voltage | 12 V |
| Capacity | 225 Ah |
| Length | 519.2 mm |
| Width | 278.6 mm |
| Height | 253.5 mm |
| Weight | 71.21 kg |
| Terminal type | EAPT |

## Quick description

MK Battery 8G8D: electric wheelchair battery with 12 V and 225 Ah, measuring 519.2 × 278.6 × 253.5 mm.

## Description

## The MK Battery 8G8D at a glance

The MK Battery 8G8D is made for powered wheelchairs. The 8G8D is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The 8G8D belongs to the MK Battery MK GEL range. [More MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## Equivalents and alternatives to the MK Battery 8G8D

We have no other battery with exactly the dimensions and polarity of the 8G8D. Browse the rest of our [electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries) to compare close options.

## MK Battery 8G8D vs 8G4D

The real differences between the 8G8D and the closest MK Battery models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery 8G8D (this one) | 225 Ah | 519.2 × 278.6 × 253.5 | 71.21 kg |
| MK Battery 8G4D | 183 Ah | 527.6 × 214.1 × 250.2 | 57.83 kg |

- MK Battery 8G4D: 42 Ah less, a different case (527.6 × 214.1 × 250.2 mm).

## Inside the 8G8D: GEL technology

Inside, the 8G8D holds its electrolyte in gel form. It is the classic technology for wheelchairs, scooters, motorhomes and solar.

## Before ordering the 8G8D, check this

- Measure the space: the 8G8D takes up 519.2 × 278.6 × 253.5 mm.
- Your current battery should say about 225 Ah; a little more is also fine.

## Part numbers and codes for the MK Battery 8G8D

Shops, garages and catalogues identify the 8G8D with these codes:

| Commercial reference | 8G8D |
|---|---|
| Terminal type | EAPT |
| Not to be confused with | MK Battery 8A8D (245 Ah), MK Battery 8G4D (183 Ah) |

## Frequently asked questions about the MK Battery 8G8D

### 8G8D or 8G4D: which one suits me?

Compared with the 8G8D, the MK Battery 8G4D has 42 Ah less. With 225 Ah, the 8G8D runs longer between charges than the 8G4D (183 Ah). Mind the space: the 8G4D measures 527.6 × 214.1 × 250.2 mm.

### How much does the MK Battery 8G8D weigh?

71.21 kg, with 225 Ah of capacity. For reference, the MK Battery 8G4D (183 Ah) weighs 57.83 kg.

### How much range does the MK Battery 8G8D give in an electric wheelchair?

It depends on weight, terrain and the chair. As a guide, with 225 Ah per battery an average chair covers several kilometres a day; range drops with hills and cold batteries.

## More batteries to compare with the 8G8D

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More MK Battery models](https://bateriasonline.es/en/mk-batteries)
- [Sonnenschein GF12160V](https://bateriasonline.es/en/sonnenschein-gf12160v) · 196 Ah, 518×274×238 mm
- [Deka 8G8DLTP](https://bateriasonline.es/en/deka-8g8dltp) · 225 Ah, 519.2×278.6×285.8 mm

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