# Kronobat ES17-12 · Electric wheelchair battery 12V 18Ah

![Kronobat ES17-12 · Electric wheelchair battery 12V 18Ah](https://bateriasonline.es/2134-home_default/kronobat-es17-12.jpg)

> Kronobat ES17-12: 18 Ah electric wheelchair battery, 181×76×167 mm, AGM. Equivalent to Long WP18-12 and Long WP18-12I. Ask for a no-obligation quote.

**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-es17-12
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-ES17-12
- **MPN**: ES17-12
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Kronobat |
| Range | AGM DEEP CYCLE |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 18 Ah |
| Length | 181 mm |
| Width | 76 mm |
| Height | 167 mm |
| Weight | 5.85 kg |
| Terminal type | F2 / F3 |

## Quick description

The Kronobat ES17-12 is an electric wheelchair battery with 12 V and 18 Ah, measuring 181 × 76 × 167 mm.

## Description

## The Kronobat ES17-12 at a glance

The Kronobat ES17-12 is made for powered wheelchairs. The ES17-12 is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The ES17-12 belongs to the Kronobat AGM DEEP CYCLE range. [See all Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

## Equivalents and alternatives to the Kronobat ES17-12

As the ES17-12 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) |
|---|---|---|---|
| Long WP18-12 | AGM | 18 Ah | 181 × 76 × 167 |
| Long WP18-12I | AGM | 18 Ah | 181 × 76 × 167 |
| Long WP18-12N | AGM | 18 Ah | 181 × 76 × 167 |
| Long WP18-12U | AGM | 18 Ah | 181 × 76 × 167 |
| MK Battery ES17-12 | AGM | 18 Ah | 181.1 × 75.9 × 166.9 |
| MK Battery ES17-12S | AGM | 18 Ah | 181.1 × 75.9 × 166.9 |

## Kronobat ES17-12 vs ES20-12CFT and ES22-12: which one to choose?

How the ES17-12 compares with Kronobat batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Kronobat ES17-12 (this one) | 18 Ah | 181 × 76 × 167 | 5.85 kg |
| Kronobat ES20-12CFT | 20 Ah | 181 × 76 × 167 | 6.04 kg |
| Kronobat ES22-12 | 22 Ah | 181 × 76 × 167 | 6.89 kg |

- Kronobat ES20-12CFT: 2 Ah more, the same dimensions.
- Kronobat ES22-12: 4 Ah more, the same dimensions.

## What it means that the ES17-12 is AGM

Inside, the ES17-12 has glass fibre separators (AGM) that hold the electrolyte. The ES17-12 needs a charger with an AGM mode that does not exceed 14.7 V.

## Before ordering the ES17-12, check this

- Length, width and height of the ES17-12: 181 × 76 × 167 mm.
- Your current battery should say about 18 Ah; a little more is also fine.

## Kronobat ES17-12 codes and part numbers

This is how the Kronobat ES17-12 appears on the label and in parts catalogues:

| Commercial reference | ES17-12 |
|---|---|
| Terminal type | F2 / F3 |
| Not to be confused with | Kronobat ES1.2-12 (1.2 Ah), Kronobat ES1.9-12 (2.3 Ah), Kronobat ES7-12 (7 Ah) |

## Frequently asked questions about the Kronobat ES17-12

### Kronobat ES17-12 or ES20-12CFT?

Compared with the ES17-12, the Kronobat ES20-12CFT has 2 Ah more. With 20 Ah, the ES20-12CFT runs longer between charges than the ES17-12 (18 Ah). Both measure 181 × 76 × 167 mm, so they fit the same tray.

### How much does the Kronobat ES17-12 weigh?

The ES17-12 weighs 5.85 kg. For reference, the Kronobat ES20-12CFT (20 Ah) weighs 6.04 kg.

### Which battery is equivalent to the Kronobat ES17-12?

Only other AGM batteries with its dimensions and polarity: Long WP18-12, Long WP18-12I and Long WP18-12N. Neither an EFB nor a conventional battery replaces the ES17-12.

### How much range does the Kronobat ES17-12 give in an electric wheelchair?

It depends on weight, terrain and the chair. As a guide, with 18 Ah per battery an average chair covers several kilometres a day; range drops with hills and cold batteries.

## Keep comparing: alternatives to the ES17-12

- [All electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole Kronobat range](https://bateriasonline.es/en/kronobat-batteries)
- [Long WP18-12](https://bateriasonline.es/en/long-wp18-12) · 18 Ah, 181×76×167 mm
- [Long WP18-12I](https://bateriasonline.es/en/long-wp18-12i) · 18 Ah, 181×76×167 mm

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