# MK Battery ES1.2-12 · Electric wheelchair battery 12V 1.2Ah

![MK Battery ES1.2-12 · Electric wheelchair battery 12V 1.2Ah](https://bateriasonline.es/2860-home_default/mk-battery-es1-2-12.jpg)

> MK Battery ES1.2-12: 1.2 Ah electric wheelchair battery, 97×42.9×58.9 mm, AGM. Equivalent to MK Battery ES1.2-12FR.

**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-es1-2-12
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES1.2-12
- **MPN**: ES1.2-12
- **Price**: 24,90 € (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 | 1.2 Ah |
| Length | 97 mm |
| Width | 42.9 mm |
| Height | 58.9 mm |
| Weight | 0.6 kg |
| Terminal type | F1 |

## Quick description

The MK Battery ES1.2-12 is an electric wheelchair battery with 12 V and 1.2 Ah, measuring 97 × 42.9 × 58.9 mm.

## Description

## Where the MK Battery ES1.2-12 fits

The MK Battery ES1.2-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.
The ES1.2-12 belongs to the MK Battery MK AGM range. [The full range of MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## Equivalents and alternatives to the MK Battery ES1.2-12

Other AGM batteries that fit the ES1.2-12's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| MK Battery ES1.2-12FR | AGM | 1.2 Ah | 97 × 42.9 × 58.9 |

## What it means that the ES1.2-12 is AGM

The ES1.2-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES1.2-12 can be fitted in the boot or under a seat with no risk of spills.

## Before ordering the ES1.2-12, check this

- The ES1.2-12 needs 97 × 42.9 × 58.9 mm of space: measure it with the hold-down clamp in place.
- Your current battery should say about 1.2 Ah; a little more is also fine.

## Part numbers and codes for the MK Battery ES1.2-12

Look for any of these ES1.2-12 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ES1.2-12 |
|---|---|
| Terminal type | F1 |
| Not to be confused with | MK Battery ES1.9-12 (2.3 Ah), MK Battery ES14-12 (14 Ah), MK Battery ES17-12 (18 Ah) |

## Frequently asked questions about the MK Battery ES1.2-12

### How much does the MK Battery ES1.2-12 weigh?

0.6 kg, with 1.2 Ah of capacity.

### Which battery is equivalent to the MK Battery ES1.2-12?

Only other AGM batteries with its dimensions and polarity: MK Battery ES1.2-12FR. Neither an EFB nor a conventional battery replaces the ES1.2-12.

### Which charger does the MK Battery ES1.2-12 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.

## More batteries to compare with the ES1.2-12

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole MK Battery range](https://bateriasonline.es/en/mk-batteries)
- [MK Battery ES0.8-12](https://bateriasonline.es/en/mk-battery-es0-8-12) · 0.7 Ah, 96×24.9×62 mm
- [MK Battery ES1.2-6](https://bateriasonline.es/en/mk-battery-es1-2-6) · 1.2 Ah, 97×24.9×56.9 mm

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