# Kronobat ES26-12 · Electric wheelchair battery 12V 26Ah

![Kronobat ES26-12 · Electric wheelchair battery 12V 26Ah](https://bateriasonline.es/2146-home_default/kronobat-es26-12.jpg)

> Kronobat ES26-12: 26 Ah electric wheelchair battery, 166×175×125 mm, positive terminal on the right, AGM. Equivalent to Long WP26-12 and Long WP26-12N.

**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-es26-12
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-ES26-12
- **MPN**: ES26-12
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Kronobat |
| Range | AGM DEEP CYCLE |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 26 Ah |
| Length | 166 mm |
| Width | 175 mm |
| Height | 125 mm |
| Weight | 9.28 kg |
| Polarity | Positive terminal on the right |
| Terminal type | F2 / F3 |

## Quick description

Kronobat ES26-12: electric wheelchair battery with 12 V and 26 Ah, measuring 166 × 175 × 125 mm, with the positive terminal on the right.

## Description

## The Kronobat ES26-12 at a glance

The Kronobat ES26-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. The ES26-12 is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The ES26-12 belongs to the Kronobat AGM DEEP CYCLE range. [See all Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

## Equivalents and alternatives to the Kronobat ES26-12

Other AGM batteries that fit the ES26-12's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long WP26-12 | AGM | 26 Ah | 166 × 175 × 125 |
| Long WP26-12N | AGM | 26 Ah | 166 × 175 × 125 |
| Long WP26-12NE | AGM | 26 Ah | 166 × 175 × 125 |
| MK Battery ES26-12 | AGM | 26 Ah | 166.1 × 175 × 125 |
| MK Battery ES26-12SA | AGM | 26 Ah | 166.1 × 175 × 125 |
| MK Battery M12260 SLD M | AGM | 26 Ah | 166.1 × 175 × 125 |

## Kronobat ES26-12 vs ES34-12 and ES22-12: which one to choose?

The real differences between the ES26-12 and the closest Kronobat models:

| Model | Capacity | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|
| Kronobat ES26-12 (this one) | 26 Ah | 166 × 175 × 125 | right | 9.28 kg |
| Kronobat ES34-12 | 34 Ah | 197 × 131 × 180 | – | 10.48 kg |
| Kronobat ES22-12 | 22 Ah | 181 × 76 × 167 | right | 6.89 kg |

- Kronobat ES34-12: 8 Ah more, a different case (197 × 131 × 180 mm).
- Kronobat ES22-12: 4 Ah less, a different case (181 × 76 × 167 mm).

## Inside the ES26-12: AGM technology

The ES26-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## Before ordering the ES26-12, check this

- Measure the space: the ES26-12 takes up 166 × 175 × 125 mm.
- The ES26-12 has the positive terminal on the right: compare it with your current battery.
- Capacity of the ES26-12: 26 Ah; the same as your current battery or slightly more is fine.

## Part numbers and codes for the Kronobat ES26-12

The ES26-12 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | ES26-12 |
|---|---|
| Terminal type | F2 / F3 |
| Not to be confused with | Kronobat ES2.9-12 (2.9 Ah), Kronobat ES22-12 (22 Ah) |

## Frequently asked questions about the Kronobat ES26-12

### ES26-12 or ES34-12: which one suits me?

Compared with the ES26-12, the Kronobat ES34-12 has 8 Ah more. With 34 Ah, the ES34-12 runs longer between charges than the ES26-12 (26 Ah). Mind the space: the ES34-12 measures 197 × 131 × 180 mm.

### How much does the Kronobat ES26-12 weigh?

9.28 kg, with 26 Ah of capacity. For reference, the Kronobat ES34-12 (34 Ah) weighs 10.48 kg.

### Which battery is equivalent to the Kronobat ES26-12?

Only other AGM batteries with its dimensions and polarity: Long WP26-12, Long WP26-12N and Long WP26-12NE. Neither an EFB nor a conventional battery replaces the ES26-12.

### Which side is the positive terminal on the Kronobat ES26-12?

On the ES26-12, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

## Keep comparing: alternatives to the ES26-12

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More Kronobat models](https://bateriasonline.es/en/kronobat-batteries)
- [Long WP26-12](https://bateriasonline.es/en/long-wp26-12) · 26 Ah, 166×175×125 mm
- [Long WP26-12N](https://bateriasonline.es/en/long-wp26-12n) · 26 Ah, 166×175×125 mm

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