# Exide EU77-6 · Boat battery 6V 77Ah 360A

![Exide EU77-6 · Boat battery 6V 77Ah 360A](https://bateriasonline.es/237-home_default/exide-eu77-6.jpg)

> Exide EU77-6: 77 Ah boat battery, 360 A (EN), 215×169×184 mm, positive terminal on the right. Price on request: ask for a free quote.

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

- **Canonical URL**: https://bateriasonline.es/en/exide-eu77-6
- **Language**: en
- **Brand**: Exide
- **Reference**: BOL-EXIDE-EU77-6
- **EAN**: 3661024036177
- **MPN**: EU77-6
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Exide |
| Range | EXIDE MARINA VINTAGE |
| Application | Boats |
| Technology | Lead-acid |
| Voltage | 6 V |
| Capacity | 77 Ah |
| Cold cranking amps (EN) | 360 A |
| Length | 215 mm |
| Width | 169 mm |
| Height | 184 mm |
| Weight | 18 kg |
| Polarity | Positive terminal on the right |

## Quick description

Exide EU77-6: boat battery with 6 V, 77 Ah and 360 A cold cranking current, measuring 215 × 169 × 184 mm, with the positive terminal on the right.

## Description

## The Exide EU77-6 at a glance

The Exide EU77-6 is made for marine use. Fit the EU77-6 securely on board and away from bilge water.
The EU77-6 belongs to the Exide EXIDE MARINA VINTAGE range. [See all Exide batteries](https://bateriasonline.es/en/exide-batteries)

## Inside the EU77-6: lead-acid technology

Inside, the EU77-6 is classic lead-acid: liquid electrolyte and lead plates. If the EU77-6 is left discharged for weeks it sulphates: a maintenance charger prevents this.

## Exide EU77-6 vs EU80-6: differences

What sets the EU77-6 apart from its neighbours in the Exide range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Exide EU77-6 (this one) | 77 Ah | 360 A | 215 × 169 × 184 | right | 18 kg |
| Exide EU80-6 | 80 Ah | 600 A | 158 × 165 × 220 | right | 11 kg |

- Exide EU80-6: 3 Ah more, 240 A more cranking power, a different case (158 × 165 × 220 mm).

## Equivalents and alternatives to the Exide EU77-6

No other reference in the catalogue fully matches the dimensions and polarity of the EU77-6; you will find the closest ones among our [marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries).

## Exide EU77-6 codes and part numbers

This is how the Exide EU77-6 appears on the label and in parts catalogues:

| Commercial reference | EU77-6 |
|---|---|
| EAN | 3661024036177 |

## What to look at before buying the EU77-6

- Cold cranking: 360 A (EN), equal to or higher than the original.
- Capacity of the EU77-6: 77 Ah; the same as your current battery or slightly more is fine.
- With the terminals facing you, the positive terminal of the EU77-6 is on the right.
- The EU77-6 needs 215 × 169 × 184 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Exide EU77-6

### Exide EU77-6 or EU80-6?

Compared with the EU77-6, the Exide EU80-6 has 3 Ah more and 240 A more cranking power. If your current battery says 600 A or more, choose the EU80-6; if it says 360 A or less, the EU77-6 is enough. Mind the space: the EU80-6 measures 158 × 165 × 220 mm.

### How much does the Exide EU77-6 weigh?

The EU77-6 weighs 18 kg. For reference, the Exide EU80-6 (80 Ah) weighs 11 kg.

### Which side is the positive terminal on the Exide EU77-6?

The EU77-6 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

### Which charger does the Exide EU77-6 need?

An automatic lead-acid charger with cut-off or maintenance mode, rated at 10 to 20% of its capacity in amps. If it is a vented type, check the electrolyte level and top up only with distilled water.

## Keep comparing: alternatives to the EU77-6

- [All marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries)
- [The whole Exide range](https://bateriasonline.es/en/exide-batteries)

---
*bateriasonline.es — Batteries and accessories · 2026-11-10*