# Odyssey ODX-AGM34-78 · Car battery 68Ah

![Odyssey ODX-AGM34-78 · Car battery 68Ah](https://bateriasonline.es/3585-home_default/odyssey-odx-agm34-78.jpg)

> Odyssey ODX-AGM34-78: 68 Ah car battery, 277×173×201 mm, positive terminal on the left, TPPL. Compare sizes and equivalents; 14-day returns.

**Category:** [Car batteries](https://bateriasonline.es/en/car-batteries) → [Odyssey](https://bateriasonline.es/en/odyssey-batteries)

- **Canonical URL**: https://bateriasonline.es/en/odyssey-odx-agm34-78
- **Language**: en
- **Brand**: Odyssey
- **Reference**: BOL-ODYSSEY-ODX-AGM34-78
- **EAN**: 0635241140422
- **MPN**: ODX-AGM34-78
- **Price**: 446,36 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Odyssey |
| Range | ODX |
| Application | Cars |
| Technology | TPPL |
| Capacity | 68 Ah |
| Length | 277 mm |
| Width | 173 mm |
| Height | 201 mm |
| Weight | 22.5 kg |
| Polarity | Positive terminal on the left |
| Terminal type | SAE |

## Quick description

The Odyssey ODX-AGM34-78 is a car battery (TPPL) with 68 Ah, measuring 277 × 173 × 201 mm, with the positive terminal on the left.

## Description

## Where the Odyssey ODX-AGM34-78 fits

The Odyssey ODX-AGM34-78 is made for petrol and diesel cars without automatic engine stop. If your car has no Start-Stop and had a 68 Ah battery, the ODX-AGM34-78 is a direct replacement.
At 68 Ah it is the usual size for compact diesels and mid-size petrol saloons. The ODX-AGM34-78 belongs to the Odyssey ODX range. [See all Odyssey batteries](https://bateriasonline.es/en/odyssey-batteries)

## Part numbers and codes for the Odyssey ODX-AGM34-78

This is how the Odyssey ODX-AGM34-78 appears on the label and in parts catalogues:

| Commercial reference | ODX-AGM34-78 |
|---|---|
| EAN | 0635241140422 |
| Terminal type | SAE |

## Equivalents and alternatives to the Odyssey ODX-AGM34-78

We have no other battery with exactly the dimensions and polarity of the ODX-AGM34-78. Browse the rest of our [car batteries](https://bateriasonline.es/en/car-batteries) to compare close options.

## What to look at before buying the ODX-AGM34-78

- Measure the space: the ODX-AGM34-78 takes up 277 × 173 × 201 mm.
- The ODX-AGM34-78 has the positive terminal on the left: compare it with your current battery.
- Your current battery should say about 68 Ah; a little more is also fine.
- The ODX-AGM34-78 is AGM: it replaces an AGM or an EFB of the same size. You can swap an EFB for an AGM, but not an AGM for an EFB.

## Inside the ODX-AGM34-78: TPPL technology

Inside, the ODX-AGM34-78 uses thin plates of pure lead (TPPL). It is the technology behind ODYSSEY, GENESIS and PowerSafe.

## Frequently asked questions about the Odyssey ODX-AGM34-78

### Can the Odyssey ODX-AGM34-78 be used in a car with Start-Stop?

Yes. As an AGM battery, the ODX-AGM34-78 handles automatic engine stop and brake energy recovery, and it can replace an EFB of the same size.

### How much does the Odyssey ODX-AGM34-78 weigh?

22.5 kg, with 68 Ah of capacity.

### Which side is the positive terminal on the Odyssey ODX-AGM34-78?

On the ODX-AGM34-78, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

## More batteries to compare with the ODX-AGM34-78

- [Other car batteries](https://bateriasonline.es/en/car-batteries)
- [More Odyssey models](https://bateriasonline.es/en/odyssey-batteries)
- [Odyssey ODP-AGM48-H6-L3](https://bateriasonline.es/en/odyssey-odp-agm48-h6-l3) · 69 Ah, 277×175×188 mm

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