# MK Battery ES12-12TE · Electric wheelchair battery 12V 12Ah

![MK Battery ES12-12TE · Electric wheelchair battery 12V 12Ah](https://bateriasonline.es/2878-home_default/mk-battery-es12-12te.jpg)

> MK Battery ES12-12TE: 12 Ah electric wheelchair battery, 150.9×98×103.9 mm, AGM. Equivalent to Kronobat ES12-12 and Long WP14-12SE.

**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-es12-12te
- **Language**: en
- **Brand**: MK Battery
- **Reference**: BOL-MK-ES12-12TE
- **MPN**: ES12-12TE
- **Price**: 54,00 € (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 | 12 Ah |
| Length | 150.9 mm |
| Width | 98 mm |
| Height | 103.9 mm |
| Weight | 4.01 kg |

## Quick description

The MK Battery ES12-12TE is an electric wheelchair battery with 12 V and 12 Ah, measuring 150.9 × 98 × 103.9 mm.

## Description

## Where the MK Battery ES12-12TE fits

The MK Battery ES12-12TE is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. The ES12-12TE is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The ES12-12TE 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 ES12-12TE

As the ES12-12TE 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 ES12-12 | AGM | 12 Ah | 151 × 99 × 100 |
| Long WP14-12SE | AGM | 14 Ah | 151 × 98 × 100 |
| Long WP15-12SE | AGM | 15 Ah | 151 × 99 × 103 |
| Kronobat ES14-12 | AGM | 14 Ah | 151 × 99 × 100 |
| MK Battery ES14-12 | AGM | 14 Ah | 150.9 × 98 × 100.1 |

## MK Battery ES12-12TE vs ES14-12 and ES14-12TE: which one to choose?

Torn between the ES12-12TE and another similar MK Battery? This is what changes:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery ES12-12TE (this one) | 12 Ah | 150.9 × 98 × 103.9 | 4.01 kg |
| MK Battery ES14-12 | 14 Ah | 150.9 × 98 × 100.1 | 4.39 kg |
| MK Battery ES14-12TE | 14 Ah | 150.9 × 99.1 × 96 | 4.39 kg |

- MK Battery ES14-12: 2 Ah more, a different case (150.9 × 98 × 100.1 mm).
- MK Battery ES14-12TE: 2 Ah more, a different case (150.9 × 99.1 × 96 mm).

## What it means that the ES12-12TE is AGM

The ES12-12TE is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES12-12TE can be fitted in the boot or under a seat with no risk of spills.

## What to look at before buying the ES12-12TE

- Length, width and height of the ES12-12TE: 150.9 × 98 × 103.9 mm.
- Your current battery should say about 12 Ah; a little more is also fine.

## MK Battery ES12-12TE codes and part numbers

Look for any of these ES12-12TE codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ES12-12TE |
|---|---|
| Not to be confused with | MK Battery ES14-12TE (14 Ah) |

## Frequently asked questions about the MK Battery ES12-12TE

### MK Battery ES12-12TE or ES14-12?

Compared with the ES12-12TE, the MK Battery ES14-12 has 2 Ah more. With 14 Ah, the ES14-12 runs longer between charges than the ES12-12TE (12 Ah). Mind the space: the ES14-12 measures 150.9 × 98 × 100.1 mm.

### How much does the MK Battery ES12-12TE weigh?

The ES12-12TE weighs 4.01 kg. For reference, the MK Battery ES14-12 (14 Ah) weighs 4.39 kg.

### Which battery is equivalent to the MK Battery ES12-12TE?

Only other AGM batteries with its dimensions and polarity: Kronobat ES12-12, Long WP14-12SE and Long WP15-12SE. Neither an EFB nor a conventional battery replaces the ES12-12TE.

### Which charger does the MK Battery ES12-12TE 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 ES12-12TE

- [All electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [Full MK Battery catalogue](https://bateriasonline.es/en/mk-batteries)
- [Kronobat ES12-12](https://bateriasonline.es/en/kronobat-es12-12) · 12 Ah, 151×99×100 mm
- [Long WP14-12SE](https://bateriasonline.es/en/long-wp14-12se) · 14 Ah, 151×98×100 mm

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