# MK Battery ES1.9-12 · Electric wheelchair battery 12V 2.3Ah

![MK Battery ES1.9-12 · Electric wheelchair battery 12V 2.3Ah](https://bateriasonline.es/2868-home_default/mk-battery-es1-9-12.jpg)

> MK Battery ES1.9-12: 2.3 Ah electric wheelchair battery, 178.1×34×66 mm, AGM. Equivalent to MK Battery ES2.4-12L.

**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-es1-9-12
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES1.9-12
- **MPN**: ES1.9-12
- **Price**: 29,50 € (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 | 2.3 Ah |
| Length | 178.1 mm |
| Width | 34 mm |
| Height | 66 mm |
| Weight | 1.04 kg |
| Terminal type | F1 |

## Quick description

The MK Battery ES1.9-12 is an electric wheelchair battery with 12 V and 2.3 Ah, measuring 178.1 × 34 × 66 mm.

## Description

## Who the MK Battery ES1.9-12 is for

The MK Battery ES1.9-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. The ES1.9-12 is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The ES1.9-12 belongs to the MK Battery MK AGM range. [See all MK Battery batteries](https://bateriasonline.es/en/mk-batteries)

## Equivalents and alternatives to the MK Battery ES1.9-12

Other AGM batteries that fit the ES1.9-12's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| MK Battery ES2.4-12L | AGM | 2.4 Ah | 178.1 × 34.5 × 66 |

## MK Battery ES1.9-12 vs ES2.4-12L and ES2.3-12V: differences

Torn between the ES1.9-12 and another similar MK Battery? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery ES1.9-12 (this one) | 2.3 Ah | 178.1 × 34 × 66 | 1.04 kg |
| MK Battery ES2.4-12L | 2.4 Ah | 178.1 × 34.5 × 66 | 0.96 kg |
| MK Battery ES2.3-12V | 2.1 Ah | 182.1 × 23.1 × 61 | 0.65 kg |

- MK Battery ES2.4-12L: 0.10 Ah more, the same dimensions.
- MK Battery ES2.3-12V: 0.20 Ah less, a different case (182.1 × 23.1 × 61 mm).

## Inside the ES1.9-12: AGM technology

The ES1.9-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES1.9-12 can be fitted in the boot or under a seat with no risk of spills.

## What to look at before buying the ES1.9-12

- The ES1.9-12 needs 178.1 × 34 × 66 mm of space: measure it with the hold-down clamp in place.
- Capacity of the ES1.9-12: 2.3 Ah; the same as your current battery or slightly more is fine.

## Part numbers and codes for the MK Battery ES1.9-12

Look for any of these ES1.9-12 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ES1.9-12 |
|---|---|
| Terminal type | F1 |
| Not to be confused with | MK Battery ES1.2-12 (1.2 Ah), MK Battery ES12-12 (12 Ah), MK Battery ES14-12 (14 Ah) |

## Frequently asked questions about the MK Battery ES1.9-12

### ES1.9-12 or ES2.4-12L: which one suits me?

Compared with the ES1.9-12, the MK Battery ES2.4-12L has 0.10 Ah more. With 2.4 Ah, the ES2.4-12L runs longer between charges than the ES1.9-12 (2.3 Ah). Both measure 178.1 × 34 × 66 mm, so they fit the same tray.

### How much does the MK Battery ES1.9-12 weigh?

1.04 kg, with 2.3 Ah of capacity. For reference, the MK Battery ES2.4-12L (2.4 Ah) weighs 0.96 kg.

### Which battery is equivalent to the MK Battery ES1.9-12?

Only other AGM batteries with its dimensions and polarity: MK Battery ES2.4-12L. Neither an EFB nor a conventional battery replaces the ES1.9-12.

### How much range does the MK Battery ES1.9-12 give in an electric wheelchair?

It depends on weight, terrain and the chair. As a guide, with 2.3 Ah per battery an average chair covers several kilometres a day; range drops with hills and cold batteries.

## Keep comparing: alternatives to the ES1.9-12

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole MK Battery range](https://bateriasonline.es/en/mk-batteries)
- [MK Battery ES2.4-12L](https://bateriasonline.es/en/mk-battery-es2-4-12l) · 2.4 Ah, 178.1×34.5×66 mm

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