# Odyssey ODX-AGM31A · Car battery 100Ah

![Odyssey ODX-AGM31A · Car battery 100Ah](https://bateriasonline.es/3597-home_default/odyssey-odx-agm31a.jpg)

> Odyssey ODX-AGM31A: 100 Ah car battery, 330×173×246 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-agm31a
- **Language**: en
- **Brand**: Odyssey
- **Reference**: BOL-ODYSSEY-ODX-AGM31A
- **MPN**: ODX-AGM31A
- **Price**: 541,35 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Odyssey |
| Range | ODX |
| Application | Cars |
| Technology | TPPL |
| Capacity | 100 Ah |
| Length | 330 mm |
| Width | 173 mm |
| Height | 246 mm |
| Weight | 35.3 kg |
| Polarity | Positive terminal on the left |
| Terminal type | SAE |

## Quick description

Odyssey ODX-AGM31A: car battery (TPPL) with 100 Ah, measuring 330 × 173 × 246 mm, with the positive terminal on the left.

## Description

## Who the Odyssey ODX-AGM31A is for

The Odyssey ODX-AGM31A is made for petrol and diesel cars without automatic engine stop. The ODX-AGM31A covers the daily routine of a car without automatic engine stop: cold starts, short trips and loads with the ignition off.
At 100 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The ODX-AGM31A belongs to the Odyssey ODX range. [More Odyssey batteries](https://bateriasonline.es/en/odyssey-batteries)

## Part numbers and codes for the Odyssey ODX-AGM31A

Shops, garages and catalogues identify the ODX-AGM31A with these codes:

| Commercial reference | ODX-AGM31A |
|---|---|
| Terminal type | SAE |
| Not to be confused with | Odyssey ODP-AGM31A (100 Ah, 925 A), Odyssey ODX-AGM31M (103 Ah) |

## Equivalents and alternatives to the Odyssey ODX-AGM31A

We have no other battery with exactly the dimensions and polarity of the ODX-AGM31A. 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-AGM31A

- Measure the space: the ODX-AGM31A takes up 330 × 173 × 246 mm.
- The ODX-AGM31A has the positive terminal on the left: compare it with your current battery.
- With 100 Ah, the ODX-AGM31A replaces an original battery of that capacity or slightly less.
- The ODX-AGM31A 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.

## What it means that the ODX-AGM31A is TPPL

Inside, the ODX-AGM31A uses thin plates of pure lead (TPPL). It is the technology behind ODYSSEY, GENESIS and PowerSafe.

## Frequently asked questions about the Odyssey ODX-AGM31A

### Can the Odyssey ODX-AGM31A be used in a car with Start-Stop?

Yes. As an AGM battery, the ODX-AGM31A handles automatic engine stop and brake energy recovery, and it can replace an EFB of the same size.

### How much does the Odyssey ODX-AGM31A weigh?

35.3 kg, with 100 Ah of capacity.

### Which side is the positive terminal on the Odyssey ODX-AGM31A?

On the ODX-AGM31A, 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.

## Keep comparing: alternatives to the ODX-AGM31A

- [All car batteries](https://bateriasonline.es/en/car-batteries)
- [More Odyssey models](https://bateriasonline.es/en/odyssey-batteries)
- [Odyssey ODP-AGM49-H8-L5](https://bateriasonline.es/en/odyssey-odp-agm49-h8-l5) · 94 Ah, 353×175×188 mm

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