# MK Battery ES7-12FR · Electric wheelchair battery 12V 7.2Ah

![MK Battery ES7-12FR · Electric wheelchair battery 12V 7.2Ah](https://bateriasonline.es/3520-home_default/mk-battery-es7-12fr.jpg)

> MK Battery ES7-12FR: 7.2 Ah electric wheelchair battery, 150.9×65×102.1 mm, AGM. Equivalent to Kronobat ES7-12 and Kronobat ES9-12.

**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-es7-12fr
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES7-12FR
- **MPN**: ES7-12FR
- **Price**: 46,01 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | MK Battery |
| Range | MK AGM |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 7.2 Ah |
| Length | 150.9 mm |
| Width | 65 mm |
| Height | 102.1 mm |
| Weight | 2.39 kg |
| Terminal type | F1 / F2 |

## Quick description

The MK Battery ES7-12FR is an electric wheelchair battery with 12 V and 7.2 Ah, measuring 150.9 × 65 × 102.1 mm.

## Description

## Where the MK Battery ES7-12FR fits

The MK Battery ES7-12FR is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. The ES7-12FR is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The ES7-12FR belongs to the MK Battery MK AGM range. [More MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## What it means that the ES7-12FR is AGM

The ES7-12FR is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES7-12FR can be fitted in the boot or under a seat with no risk of spills.

## MK Battery ES7-12FR vs ES7-12SA, ES10-12S and ES7-12SA T2

How the ES7-12FR compares with MK Battery batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery ES7-12FR (this one) | 7.2 Ah | 150.9 × 65 × 102.1 | 2.39 kg |
| MK Battery ES7-12SA | 7 Ah | 150.9 × 65 × 102.1 | 2.2 kg |
| MK Battery ES10-12S | 10 Ah | 150.9 × 65 × 118.6 | 3.28 kg |
| MK Battery ES7-12SA T2 | 7 Ah | 150.9 × 65 × 102.1 | 2.2 kg |

- MK Battery ES7-12SA: 0.20 Ah less, the same dimensions.
- MK Battery ES10-12S: 2.8 Ah more, a different height (118.6 mm instead of 102.1 mm). It only fits if there is room for 118.6 mm of height.
- MK Battery ES7-12SA T2: 0.20 Ah less, the same dimensions.

## Equivalents and alternatives to the MK Battery ES7-12FR

As the ES7-12FR is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Kronobat ES7-12 | AGM | 7 Ah | 151 × 65 × 102 |
| Kronobat ES9-12 | AGM | 9 Ah | 151 × 65 × 102 |
| MK Battery ES7-12 | AGM | 7.2 Ah | 150.9 × 65 × 102.1 |
| MK Battery ES7-12FR T2 | AGM | 7.2 Ah | 150.9 × 65 × 102.1 |
| MK Battery ES7-12T2 | AGM | 7.2 Ah | 150.9 × 65 × 102.1 |
| MK Battery ES7-12SA | AGM | 7 Ah | 150.9 × 65 × 102.1 |

## MK Battery ES7-12FR codes and part numbers

Look for any of these ES7-12FR codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ES7-12FR |
|---|---|
| Terminal type | F1 / F2 |
| Not to be confused with | MK Battery ES5-12FR (5 Ah), MK Battery ES9-12FR (9 Ah) |

## Check this before ordering the MK Battery ES7-12FR

- Your current battery should say about 7.2 Ah; a little more is also fine.
- Length, width and height of the ES7-12FR: 150.9 × 65 × 102.1 mm.

## Frequently asked questions about the MK Battery ES7-12FR

### MK Battery ES7-12FR or ES7-12SA?

Compared with the ES7-12FR, the MK Battery ES7-12SA has 0.20 Ah less. With 7.2 Ah, the ES7-12FR runs longer between charges than the ES7-12SA (7 Ah). Both measure 150.9 × 65 × 102.1 mm, so they fit the same tray.

### MK Battery ES7-12FR or ES10-12S: what changes?

Mainly the height: the ES7-12FR is 102.1 mm tall and the MK Battery ES10-12S 118.6 mm, with the same length and width and 10 Ah against 7.2 Ah. Before choosing between the ES7-12FR and the ES10-12S, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the MK Battery ES7-12FR weigh?

The ES7-12FR weighs 2.39 kg. For reference, the MK Battery ES7-12SA (7 Ah) weighs 2.2 kg.

### Which battery is equivalent to the MK Battery ES7-12FR?

Only other AGM batteries with its dimensions and polarity: Kronobat ES7-12, Kronobat ES9-12 and MK Battery ES7-12. Neither an EFB nor a conventional battery replaces the ES7-12FR.

### Do I have to replace both batteries at once?

Yes. Wheelchairs fit two batteries in series, and a new one next to a worn one becomes unbalanced and lasts much less.

## More batteries to compare with the ES7-12FR

- [All electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More MK Battery models](https://bateriasonline.es/en/mk-batteries)
- [Kronobat ES7-12](https://bateriasonline.es/en/kronobat-es7-12) · 7 Ah, 151×65×102 mm
- [Kronobat ES9-12](https://bateriasonline.es/en/kronobat-es9-12) · 9 Ah, 151×65×102 mm

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