# Kronobat ES20-12CFT · Electric wheelchair battery 12V 20Ah

![Kronobat ES20-12CFT · Electric wheelchair battery 12V 20Ah](https://bateriasonline.es/2138-home_default/kronobat-es20-12cft.jpg)

> Kronobat ES20-12CFT: 20 Ah electric wheelchair battery, 181×76×167 mm, AGM. Equivalent to Long WP20-12 and Long WP20-12I. 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-es20-12cft
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-ES20-12CFT
- **MPN**: ES20-12CFT
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Kronobat |
| Range | AGM DEEP CYCLE |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 20 Ah |
| Length | 181 mm |
| Width | 76 mm |
| Height | 167 mm |
| Weight | 6.04 kg |
| Terminal type | F6 |

## Quick description

The Kronobat ES20-12CFT is an electric wheelchair battery with 12 V and 20 Ah, measuring 181 × 76 × 167 mm.

## Description

## Where the Kronobat ES20-12CFT fits

The Kronobat ES20-12CFT is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. With 20 Ah per battery, the ES20-12CFT is designed for a full charge every night.
The ES20-12CFT belongs to the Kronobat AGM DEEP CYCLE range. [See all Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

## Equivalents and alternatives to the Kronobat ES20-12CFT

Other AGM batteries that fit the ES20-12CFT's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long WP20-12 | AGM | 20 Ah | 181 × 76 × 167 |
| Long WP20-12I | AGM | 20 Ah | 181 × 76 × 167 |
| Long WP20-12N | AGM | 20 Ah | 181 × 76 × 167 |
| Long WP20-12U | AGM | 20 Ah | 181 × 76 × 167 |
| Long WP20-12IE | AGM | 20 Ah | 181 × 76 × 167 |
| MK Battery ES20-12C | AGM | 20 Ah | 181.1 × 75.9 × 166.9 |

## Kronobat ES20-12CFT vs ES17-12 and ES22-12: differences

How the ES20-12CFT compares with Kronobat batteries of similar size and capacity:

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

- Kronobat ES17-12: 2 Ah less, the same dimensions.
- Kronobat ES22-12: 2 Ah more, the same dimensions.

## What it means that the ES20-12CFT is AGM

The ES20-12CFT 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 ES20-12CFT, check this

- Measure the space: the ES20-12CFT takes up 181 × 76 × 167 mm.
- Your current battery should say about 20 Ah; a little more is also fine.

## Part numbers and codes for the Kronobat ES20-12CFT

The ES20-12CFT is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | ES20-12CFT |
|---|---|
| Terminal type | F6 |

## Frequently asked questions about the Kronobat ES20-12CFT

### ES20-12CFT or ES17-12: which one suits me?

Compared with the ES20-12CFT, the Kronobat ES17-12 has 2 Ah less. 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 ES20-12CFT weigh?

6.04 kg, with 20 Ah of capacity. For reference, the Kronobat ES17-12 (18 Ah) weighs 5.85 kg.

### Which battery is equivalent to the Kronobat ES20-12CFT?

Only other AGM batteries with its dimensions and polarity: Long WP20-12, Long WP20-12I and Long WP20-12N. Neither an EFB nor a conventional battery replaces the ES20-12CFT.

## More batteries to compare with the ES20-12CFT

- [More electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More Kronobat models](https://bateriasonline.es/en/kronobat-batteries)
- [Long WP20-12](https://bateriasonline.es/en/long-wp20-12) · 20 Ah, 181×76×167 mm
- [Long WP20-12I](https://bateriasonline.es/en/long-wp20-12i) · 20 Ah, 181×76×167 mm

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