# MK Battery E27 SLD G · Electric wheelchair battery 12V 88Ah

![MK Battery E27 SLD G · Electric wheelchair battery 12V 88Ah](https://bateriasonline.es/2846-home_default/mk-battery-e27-sld-g.jpg)

> MK Battery E27 SLD G: 88 Ah electric wheelchair battery, 325.9×166.6×237 mm, GEL. Equivalent to MK Battery M27 SLD G. Ask for a no-obligation 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-e27-sld-g
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-E27 SLD G
- **MPN**: E27 SLD G
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | MK Battery |
| Range | MK GEL |
| Application | Electric wheelchairs |
| Technology | GEL |
| Voltage | 12 V |
| Capacity | 88 Ah |
| Length | 325.9 mm |
| Width | 166.6 mm |
| Height | 237 mm |
| Weight | 28.12 kg |

## Quick description

The MK Battery E27 SLD G is an electric wheelchair battery with 12 V and 88 Ah, measuring 325.9 × 166.6 × 237 mm.

## Description

## Where the MK Battery E27 SLD G fits

The MK Battery E27 SLD G is made for powered wheelchairs. The E27 SLD G is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The E27 SLD G belongs to the MK Battery MK GEL range. [See all MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## Equivalents and alternatives to the MK Battery E27 SLD G

Other gel batteries with the dimensions and polarity of the E27 SLD G: with gel it is best to stay with gel, because the charging profile is different.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| MK Battery M27 SLD G | GEL | 88 Ah | 325.9 × 166.6 × 237 |

## MK Battery E27 SLD G vs 8G31 and E31 SLD G ST: which one to choose?

How the E27 SLD G compares with MK Battery batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery E27 SLD G (this one) | 88 Ah | 325.9 × 166.6 × 237 | 28.12 kg |
| MK Battery 8G31 | 97.6 Ah | 328.4 × 171.2 × 237 | 31.07 kg |
| MK Battery E31 SLD G ST | 97.6 Ah | 328.4 × 171.2 × 237 | 31.07 kg |

- MK Battery 8G31: 9.60 Ah more, a different case (328.4 × 171.2 × 237 mm).
- MK Battery E31 SLD G ST: 9.60 Ah more, a different case (328.4 × 171.2 × 237 mm).

## Inside the E27 SLD G: GEL technology

Inside, the E27 SLD G holds its electrolyte in gel form. It is the classic technology for wheelchairs, scooters, motorhomes and solar.

## Check this before ordering the MK Battery E27 SLD G

- Length, width and height of the E27 SLD G: 325.9 × 166.6 × 237 mm.
- Your current battery should say about 88 Ah; a little more is also fine.

## Frequently asked questions about the MK Battery E27 SLD G

### MK Battery E27 SLD G or 8G31?

Compared with the E27 SLD G, the MK Battery 8G31 has 9.60 Ah more. With 97.6 Ah, the 8G31 runs longer between charges than the E27 SLD G (88 Ah). Mind the space: the 8G31 measures 328.4 × 171.2 × 237 mm.

### How much does the MK Battery E27 SLD G weigh?

The E27 SLD G weighs 28.12 kg. For reference, the MK Battery 8G31 (97.6 Ah) weighs 31.07 kg.

### Which battery is equivalent to the MK Battery E27 SLD G?

For the E27 SLD G, other gel batteries with its size and polarity: MK Battery M27 SLD G.

## Keep comparing: alternatives to the E27 SLD G

- [All electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More MK Battery models](https://bateriasonline.es/en/mk-batteries)
- [MK Battery M27 SLD G](https://bateriasonline.es/en/mk-battery-m27-sld-g) · 88 Ah, 325.9×166.6×237 mm

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