# Odyssey ODX-AGM34M · Boat battery 65Ah

![Odyssey ODX-AGM34M · Boat battery 65Ah](https://bateriasonline.es/3667-home_default/odyssey-odx-agm34m.jpg)

> Odyssey ODX-AGM34M: 65 Ah boat battery, 277×173×198 mm, positive terminal on the left, TPPL. Compare sizes and equivalents; 14-day returns.

**Category:** [Marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries) → [Odyssey](https://bateriasonline.es/en/odyssey-batteries)

- **Canonical URL**: https://bateriasonline.es/en/odyssey-odx-agm34m
- **Language**: en
- **Brand**: Odyssey
- **Reference**: BOL-ODYSSEY-ODX-AGM34M
- **MPN**: ODX-AGM34M
- **Price**: 567,22 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Odyssey |
| Range | ODX |
| Application | Boats |
| Technology | TPPL |
| Capacity | 65 Ah |
| Length | 277 mm |
| Width | 173 mm |
| Height | 198 mm |
| Weight | 23.1 kg |
| Polarity | Positive terminal on the left |
| Terminal type | M |

## Quick description

The Odyssey ODX-AGM34M is a boat battery with 65 Ah, measuring 277 × 173 × 198 mm, with the positive terminal on the left.

## Description

## Who the Odyssey ODX-AGM34M is for

The Odyssey ODX-AGM34M is a battery for boats: engine starting or on-board service, depending on its design, with resistance to damp and hull vibration. Check whether your boat needs starting, service or a dual-purpose battery before choosing.
The ODX-AGM34M belongs to the Odyssey ODX range. [The full range of Odyssey batteries](https://bateriasonline.es/en/odyssey-batteries)

## Equivalents and alternatives to the Odyssey ODX-AGM34M

No other reference in the catalogue fully matches the dimensions and polarity of the ODX-AGM34M; you will find the closest ones among our [marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries).

## TPPL technology in the ODX-AGM34M

The ODX-AGM34M is TPPL: thin plate pure lead AGM. It is the technology behind ODYSSEY, GENESIS and PowerSafe.

## What to look at before buying the ODX-AGM34M

- Length, width and height of the ODX-AGM34M: 277 × 173 × 198 mm.
- The ODX-AGM34M has the positive terminal on the left: compare it with your current battery.
- With 65 Ah, the ODX-AGM34M replaces an original battery of that capacity or slightly less.

## Odyssey ODX-AGM34M codes and part numbers

Look for any of these ODX-AGM34M codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ODX-AGM34M |
|---|---|
| Terminal type | M |
| Not to be confused with | Odyssey ODX-AGM34 (68 Ah), Odyssey ODX-AGM34R (68 Ah, positive terminal on the right), Odyssey ODP-AGM34M (60 Ah) |

## Frequently asked questions about the Odyssey ODX-AGM34M

### How much does the Odyssey ODX-AGM34M weigh?

The ODX-AGM34M weighs 23.1 kg.

### Which side is the positive terminal on the Odyssey ODX-AGM34M?

The ODX-AGM34M has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.

### Can the Odyssey ODX-AGM34M be used for starting and service at the same time?

Only if it is dual purpose. A starter battery is not built for deep discharge, and a service battery does not deliver the current peak the engine asks for.

## Keep comparing: alternatives to the ODX-AGM34M

- [More marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries)
- [More Odyssey models](https://bateriasonline.es/en/odyssey-batteries)

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