# Exide ER650 · Boat battery 12V 142Ah 850A

![Exide ER650 · Boat battery 12V 142Ah 850A](https://bateriasonline.es/3946-home_default/exide-er650.jpg)

> Exide ER650: 142 Ah boat battery, 850 A (EN), 349×175×290 mm, positive terminal on the left. 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-er650
- **Language**: en
- **Brand**: Exide
- **Reference**: BOL-EXIDE-ER650
- **EAN**: 3661024036221
- **MPN**: ER650
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Exide |
| Range | EXIDE MARINA DUAL ER |
| Application | Boats |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 142 Ah |
| Cold cranking amps (EN) | 850 A |
| Length | 349 mm |
| Width | 175 mm |
| Height | 290 mm |
| Weight | 35.1 kg |
| Polarity | Positive terminal on the left |

## Quick description

The Exide ER650 is a boat battery with 12 V, 142 Ah and 850 A cold cranking current, measuring 349 × 175 × 290 mm, with the positive terminal on the left.

## Description

## The Exide ER650 at a glance

The Exide ER650 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 ER650 belongs to the Exide EXIDE MARINA DUAL ER range. [See all Exide batteries](https://bateriasonline.es/en/exide-batteries)

## Inside the ER650: lead-acid technology

The ER650 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the ER650 needs no special registration: just connect it.

## Exide ER650 vs ER600 and ER570: differences

How the ER650 compares with Exide batteries of similar size and capacity:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Exide ER650 (this one) | 142 Ah | 850 A | 349 × 175 × 290 | left | 35.1 kg |
| Exide ER600 | 120 Ah | 800 A | 349 × 175 × 285 | left | 31.4 kg |
| Exide ER570 | 120 Ah | 760 A | 349 × 175 × 235 | left | 27.3 kg |

- Exide ER600: 22 Ah less, 50 A less cranking power, a different case (349 × 175 × 285 mm).
- Exide ER570: 22 Ah less, 90 A less cranking power, a different case (349 × 175 × 235 mm).

## Equivalents and alternatives to the Exide ER650

No other reference in the catalogue fully matches the dimensions and polarity of the ER650; you will find the closest ones among our [marine and boat batteries](https://bateriasonline.es/en/marine-boat-batteries).

## Exide ER650 codes and part numbers

Look for any of these ER650 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ER650 |
|---|---|
| EAN | 3661024036221 |
| Not to be confused with | Exide ES650 (56 Ah, 410 A, positive terminal on the right), Exide EZ650 (75 Ah, 750 A), Exide ET650 (100 Ah, 800 A, positive terminal on the right) |

## Check this before ordering the Exide ER650

- The ER650 delivers 850 A cold cranking (EN standard); do not go below what your original battery states.
- With 142 Ah, the ER650 replaces an original battery of that capacity or slightly less.
- With the terminals facing you, the positive terminal of the ER650 is on the left.
- Measure the space: the ER650 takes up 349 × 175 × 290 mm.

## Frequently asked questions about the Exide ER650

### Exide ER650 or ER600?

Compared with the ER650, the Exide ER600 has 22 Ah less and 50 A less cranking power. The ER650 cranks harder; the ER600 is only a good option if your original battery says 800 A or less. Mind the space: the ER600 measures 349 × 175 × 285 mm.

### How much does the Exide ER650 weigh?

The ER650 weighs 35.1 kg. For reference, the Exide ER600 (120 Ah) weighs 31.4 kg.

### Which side is the positive terminal on the Exide ER650?

The ER650 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 Exide ER650 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.

## Other options if you are unsure about the ER650

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

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