# Exide EV640S · Boat battery 12V 50Ah

![Exide EV640S · Boat battery 12V 50Ah](https://bateriasonline.es/3992-home_default/exide-ev640s.jpg)

> Exide EV640S: 50 Ah boat battery, 308×168×211 mm, positive terminal on the left, lithium. Compare sizes and equivalents; 14-day returns.

**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-ev640s
- **Language**: en
- **Brand**: Exide
- **Reference**: BOL-EXIDE-EV640S
- **EAN**: 3661024037976
- **MPN**: EV640S
- **Price**: 911,99 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Exide |
| Range | EXIDE Equipment Li-Ion |
| Application | Boats |
| Technology | Lithium |
| Voltage | 12 V |
| Capacity | 50 Ah |
| Length | 308 mm |
| Width | 168 mm |
| Height | 211 mm |
| Weight | 9 kg |
| Polarity | Positive terminal on the left |
| Terminal type | Female M8 |
| Energy | 640 Wh |

## Quick description

The Exide EV640S is a boat battery with 12 V and 50 Ah, measuring 308 × 168 × 211 mm, with the positive terminal on the left.

## Description

## Where the Exide EV640S fits

The Exide EV640S is a battery for boats: engine starting or on-board service, depending on its design, with resistance to damp and hull vibration. Fit the EV640S securely on board and away from bilge water.
The EV640S belongs to the Exide EXIDE Equipment Li-Ion range. [More Exide batteries](https://bateriasonline.es/en/exide-batteries)

## What it means that the EV640S is lithium

The EV640S is a lithium iron phosphate (LiFePO4) battery with a battery management system (BMS). For the EV640S, always use a charger with a lithium or LiFePO4 mode.

## Equivalents and alternatives to the Exide EV640S

No other reference in the catalogue fully matches the dimensions and polarity of the EV640S; you will find the closest ones among our [marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries).

## Exide EV640S codes and part numbers

Look for any of these EV640S codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | EV640S |
|---|---|
| EAN | 3661024037976 |
| Terminal type | Female M8 |

## Check this before ordering the Exide EV640S

- Capacity of the EV640S: 50 Ah; the same as your current battery or slightly more is fine.
- The EV640S has the positive terminal on the left: compare it with your current battery.
- Length, width and height of the EV640S: 308 × 168 × 211 mm.

## Frequently asked questions about the Exide EV640S

### How much does the Exide EV640S weigh?

The EV640S weighs 9 kg.

### Which side is the positive terminal on the Exide EV640S?

The EV640S has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.

### What are the dimensions and weight of the Exide EV640S?

It measures 308 × 168 × 211 mm and weighs 9 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## Keep comparing: alternatives to the EV640S

- [Other marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries)
- [The whole Exide range](https://bateriasonline.es/en/exide-batteries)
- [Exide EV1300S](https://bateriasonline.es/en/exide-ev1300s) · 100 Ah, 308×168×211 mm
- [Exide EV1300S/24](https://bateriasonline.es/en/exide-ev1300s-24) · 50 Ah, 307×170×216 mm

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