# Odyssey ODP-AGM31A · Car battery 12V 100Ah 925A

![Odyssey ODP-AGM31A · Car battery 12V 100Ah 925A](https://bateriasonline.es/3572-home_default/odyssey-odp-agm31a.jpg)

> Odyssey ODP-AGM31A: 100 Ah car battery, 925 A (EN), 330×173×239 mm, positive terminal on the left, TPPL. Price on request: ask for a free quote.

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

- **Canonical URL**: https://bateriasonline.es/en/odyssey-odp-agm31a
- **Language**: en
- **Brand**: Odyssey
- **Reference**: BOL-ODYSSEY-ODP-AGM31A
- **MPN**: ODP-AGM31A
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Odyssey |
| Range | ODP |
| Application | Cars |
| Technology | TPPL |
| Voltage | 12 V |
| Capacity | 100 Ah |
| Cold cranking amps (EN) | 925 A |
| Length | 330 mm |
| Width | 173 mm |
| Height | 239 mm |
| Weight | 31.5 kg |
| Polarity | Positive terminal on the left |
| Terminal type | SAE |

## Quick description

Odyssey ODP-AGM31A: car battery (TPPL) with 12 V, 100 Ah and 925 A cold cranking current, measuring 330 × 173 × 239 mm, with the positive terminal on the left.

## Description

## Where the Odyssey ODP-AGM31A fits

The Odyssey ODP-AGM31A is made for petrol and diesel cars without automatic engine stop. Its job is to start the engine in the cold with margin to spare and keep the car's electronics powered.
At 100 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The ODP-AGM31A belongs to the Odyssey ODP range. [The full range of Odyssey batteries](https://bateriasonline.es/en/odyssey-batteries)

## Odyssey ODP-AGM31A codes and part numbers

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

| Commercial reference | ODP-AGM31A |
|---|---|
| Terminal type | SAE |
| Not to be confused with | Odyssey ODX-AGM31A (100 Ah), Odyssey ODP-AGM31M (87 Ah) |

## Odyssey ODP-AGM31A vs ODP-AGM27F and ODP-AGM27

What sets the ODP-AGM31A apart from its neighbours in the Odyssey range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Odyssey ODP-AGM31A (this one) | 100 Ah | 925 A | 330 × 173 × 239 | left | 31.5 kg |
| Odyssey ODP-AGM27F | 85 Ah | 850 A | 318 × 173 × 224 | left | 27.1 kg |
| Odyssey ODP-AGM27 | 85 Ah | 850 A | 318 × 173 × 224 | left | 27.1 kg |

- Odyssey ODP-AGM27F: 15 Ah less, 75 A less cranking power, a different case (318 × 173 × 224 mm).
- Odyssey ODP-AGM27: 15 Ah less, 75 A less cranking power, a different case (318 × 173 × 224 mm).

## Equivalents and alternatives to the Odyssey ODP-AGM31A

No other reference in the catalogue fully matches the dimensions and polarity of the ODP-AGM31A; you will find the closest ones among our [car batteries](https://bateriasonline.es/en/car-batteries).

## TPPL technology in the ODP-AGM31A

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

## Before ordering the ODP-AGM31A, check this

- The ODP-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.
- The ODP-AGM31A delivers 925 A cold cranking (EN standard); do not go below what your original battery states.
- Capacity of the ODP-AGM31A: 100 Ah; the same as your current battery or slightly more is fine.
- With the terminals facing you, the positive terminal of the ODP-AGM31A is on the left.
- The ODP-AGM31A needs 330 × 173 × 239 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Odyssey ODP-AGM31A

### Odyssey ODP-AGM31A or ODP-AGM27F?

Compared with the ODP-AGM31A, the Odyssey ODP-AGM27F has 15 Ah less and 75 A less cranking power. The ODP-AGM31A cranks harder; the ODP-AGM27F is only a good option if your original battery says 850 A or less. Mind the space: the ODP-AGM27F measures 318 × 173 × 224 mm.

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

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

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

The ODP-AGM31A weighs 31.5 kg. For reference, the Odyssey ODP-AGM27F (85 Ah) weighs 27.1 kg.

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

The ODP-AGM31A has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.

### Which charger does the Odyssey ODP-AGM31A need?

A charger with an AGM mode able to deliver high current: TPPL batteries charge fast and accept up to 40% of their capacity in amps. Absorption voltage 14.4-14.7 V.

## Other options if you are unsure about the ODP-AGM31A

- [Other car batteries](https://bateriasonline.es/en/car-batteries)
- [The whole Odyssey range](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
- [Odyssey ODP-AGMDINB](https://bateriasonline.es/en/odyssey-odp-agmdinb) · 170 Ah, 1,300 A, 518×223×218 mm
- [Odyssey ODP-AGMDINC](https://bateriasonline.es/en/odyssey-odp-agmdinc) · 220 Ah, 1,250 A, 518×276×225 mm

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