# Kronobat ES7-12 · Electric wheelchair battery 12V 7Ah

![Kronobat ES7-12 · Electric wheelchair battery 12V 7Ah](https://bateriasonline.es/2112-home_default/kronobat-es7-12.jpg)

> Kronobat ES7-12: 7 Ah electric wheelchair battery, 151×65×102 mm, AGM. Equivalent to MK Battery ES7-12SA and MK Battery ES7-12SA T2.

**Category:** [Electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries) → [Kronobat](https://bateriasonline.es/en/kronobat-batteries)

- **Canonical URL**: https://bateriasonline.es/en/kronobat-es7-12
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-ES7-12
- **MPN**: ES7-12
- **Price**: 10,39 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Kronobat |
| Range | AGM DEEP CYCLE |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 7 Ah |
| Length | 151 mm |
| Width | 65 mm |
| Height | 102 mm |
| Weight | 2.39 kg |
| Terminal type | F1 / F2 |

## Quick description

Kronobat ES7-12: electric wheelchair battery with 12 V and 7 Ah, measuring 151 × 65 × 102 mm.

## Description

## Who the Kronobat ES7-12 is for

The Kronobat ES7-12 is made for powered wheelchairs. The ES7-12 is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The ES7-12 belongs to the Kronobat AGM DEEP CYCLE range. [See all Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

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

Inside, the ES7-12 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

## Kronobat ES7-12 vs ES9-12, ES10-12S and ES5-12: differences

The real differences between the ES7-12 and the closest Kronobat models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Kronobat ES7-12 (this one) | 7 Ah | 151 × 65 × 102 | 2.39 kg |
| Kronobat ES9-12 | 9 Ah | 151 × 65 × 102 | 2.69 kg |
| Kronobat ES10-12S | 10 Ah | 151 × 65 × 114 | 3.28 kg |
| Kronobat ES5-12 | 5 Ah | 90 × 70 × 109 | 1.9 kg |

- Kronobat ES9-12: 2 Ah more, the same dimensions.
- Kronobat ES10-12S: 3 Ah more, a different height (114 mm instead of 102 mm). It only fits if there is room for 114 mm of height.
- Kronobat ES5-12: 2 Ah less, a different case (90 × 70 × 109 mm).

## Equivalents and alternatives to the Kronobat ES7-12

As the ES7-12 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) |
|---|---|---|---|
| MK Battery ES7-12SA | AGM | 7 Ah | 150.9 × 65 × 102.1 |
| MK Battery ES7-12SA T2 | AGM | 7 Ah | 150.9 × 65 × 102.1 |
| MK Battery ES7-12 | AGM | 7.2 Ah | 150.9 × 65 × 102.1 |
| MK Battery ES7-12FR | 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 |

## Kronobat ES7-12 codes and part numbers

Shops, garages and catalogues identify the ES7-12 with these codes:

| Commercial reference | ES7-12 |
|---|---|
| Terminal type | F1 / F2 |
| Not to be confused with | Kronobat ES3-12 (3 Ah), Kronobat ES5-12 (5 Ah), Kronobat ES7.2-12 (7.2 Ah) |

## What to look at before buying the ES7-12

- Capacity of the ES7-12: 7 Ah; the same as your current battery or slightly more is fine.
- Length, width and height of the ES7-12: 151 × 65 × 102 mm.

## Frequently asked questions about the Kronobat ES7-12

### Kronobat ES7-12 or ES9-12?

Compared with the ES7-12, the Kronobat ES9-12 has 2 Ah more. With 9 Ah, the ES9-12 runs longer between charges than the ES7-12 (7 Ah). Both measure 151 × 65 × 102 mm, so they fit the same tray.

### Kronobat ES7-12 or ES10-12S: what changes?

Mainly the height: the ES7-12 is 102 mm tall and the Kronobat ES10-12S 114 mm, with the same length and width and 10 Ah against 7 Ah. Before choosing between the ES7-12 and the ES10-12S, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Kronobat ES7-12 weigh?

The ES7-12 weighs 2.39 kg. For reference, the Kronobat ES9-12 (9 Ah) weighs 2.69 kg.

### Which battery is equivalent to the Kronobat ES7-12?

Only other AGM batteries with its dimensions and polarity: MK Battery ES7-12SA, MK Battery ES7-12SA T2 and MK Battery ES7-12. Neither an EFB nor a conventional battery replaces the ES7-12.

### Which charger does the Kronobat ES7-12 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.

## Keep comparing: alternatives to the ES7-12

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [Full Kronobat catalogue](https://bateriasonline.es/en/kronobat-batteries)
- [MK Battery ES7-12SA](https://bateriasonline.es/en/mk-battery-es7-12sa) · 7 Ah, 150.9×65×102.1 mm
- [MK Battery ES7-12SA T2](https://bateriasonline.es/en/mk-battery-es7-12sa-t2) · 7 Ah, 150.9×65×102.1 mm

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