# Kronobat ES34-12 · Electric wheelchair battery 12V 34Ah

![Kronobat ES34-12 · Electric wheelchair battery 12V 34Ah](https://bateriasonline.es/2151-home_default/kronobat-es34-12.jpg)

> Kronobat ES34-12: 34 Ah electric wheelchair battery, 197×131×180 mm, AGM. Equivalent to Long U1-34H and Long U1-34HE. Price on request: ask for a free 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-es34-12
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-ES34-12
- **MPN**: ES34-12
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Kronobat |
| Range | AGM DEEP CYCLE |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 34 Ah |
| Length | 197 mm |
| Width | 131 mm |
| Height | 180 mm |
| Weight | 10.48 kg |
| Terminal type | F4 |

## Quick description

Kronobat ES34-12: electric wheelchair battery with 12 V and 34 Ah, measuring 197 × 131 × 180 mm.

## Description

## Where the Kronobat ES34-12 fits

The Kronobat ES34-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. The ES34-12 is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The ES34-12 belongs to the Kronobat AGM DEEP CYCLE range. [See all Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

## Inside the ES34-12: AGM technology

The ES34-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES34-12 can be fitted in the boot or under a seat with no risk of spills.

## Kronobat ES34-12 vs ES45-12 and ES26-12: differences

What sets the ES34-12 apart from its neighbours in the Kronobat range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Kronobat ES34-12 (this one) | 34 Ah | 197 × 131 × 180 | 10.48 kg |
| Kronobat ES45-12 | 45 Ah | 198 × 166 × 171 | 14.47 kg |
| Kronobat ES26-12 | 26 Ah | 166 × 175 × 125 | 9.28 kg |

- Kronobat ES45-12: 11 Ah more, a different case (198 × 166 × 171 mm).
- Kronobat ES26-12: 8 Ah less, a different case (166 × 175 × 125 mm).

## Equivalents and alternatives to the Kronobat ES34-12

Other AGM batteries that fit the ES34-12's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long U1-34H | AGM | 34 Ah | 197 × 131 × 180 |
| Long U1-34HE | AGM | 34 Ah | 197 × 131 × 180 |
| Long U1-33H | AGM | 33 Ah | 197 × 131 × 180 |
| MK Battery MU-1 SLD M-2 | AGM | 35 Ah | 197 × 131 × 180 |
| Long U1-36HE | AGM | 36 Ah | 197 × 131 × 180 |
| MK Battery ES33-12 | AGM | 35 Ah | 196.1 × 130 × 180.1 |

## Part numbers and codes for the Kronobat ES34-12

Look for any of these ES34-12 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ES34-12 |
|---|---|
| Terminal type | F4 |
| Not to be confused with | Kronobat ES3-12 (3 Ah), Kronobat ES14-12 (14 Ah) |

## What to look at before buying the ES34-12

- Capacity of the ES34-12: 34 Ah; the same as your current battery or slightly more is fine.
- Measure the space: the ES34-12 takes up 197 × 131 × 180 mm.

## Frequently asked questions about the Kronobat ES34-12

### ES34-12 or ES45-12: which one suits me?

Compared with the ES34-12, the Kronobat ES45-12 has 11 Ah more. With 45 Ah, the ES45-12 runs longer between charges than the ES34-12 (34 Ah). Mind the space: the ES45-12 measures 198 × 166 × 171 mm.

### How much does the Kronobat ES34-12 weigh?

10.48 kg, with 34 Ah of capacity. For reference, the Kronobat ES45-12 (45 Ah) weighs 14.47 kg.

### Which battery is equivalent to the Kronobat ES34-12?

Only other AGM batteries with its dimensions and polarity: Long U1-34H, Long U1-34HE and Long U1-33H. Neither an EFB nor a conventional battery replaces the ES34-12.

## Keep comparing: alternatives to the ES34-12

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [Full Kronobat catalogue](https://bateriasonline.es/en/kronobat-batteries)
- [Long U1-34H](https://bateriasonline.es/en/long-u1-34h) · 34 Ah, 197×131×180 mm
- [Long U1-34HE](https://bateriasonline.es/en/long-u1-34he) · 34 Ah, 197×131×180 mm

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