# Marine battery Exide ES450 12V 40Ah 280A GEL

![Marine battery Exide ES450 12V 40Ah 280A GEL](https://baterias.com/1737-home_default/battery-exide-es450-12v-40ah-280a.jpg)

> Exide ES450 marine battery 12V 40Ah 280A GEL. MARINA GEL range. Dimensions 207×175×175 mm, + terminal on the right. Cranking and house duties.

**Category:** [Boat Batteries](https://baterias.com/gb/boat-batteries) → [EXIDE](https://baterias.com/gb/exide)

- **Canonical URL**: https://baterias.com/gb/battery-exide-es450-12v-40ah-280a
- **Language**: en-GB
- **Brand**: EXIDE
- **Reference**: BCOM-EXIDE-ES450
- **EAN**: 3661024035859
- **MPN**: ES450
- **Price**: 117,80 €
- **Stock**: Out of stock

## Technical specifications

| Feature | Value |
|---|---|
| Brand | EXIDE |
| Reference | ES450 |
| Model | EXIDE MARINA GEL |
| Voltage (V) | 12 V |
| Largo | 207 cm |
| Ancho | 175 cm |
| Alto | 175 cm |
| Peso | 14.2 kg |
| Tecnología | GEL |
| EAN | 3661024035859 |
| Terminal layout | Positive terminal on the right |
| Terminal type | 1 full Ford lug |
| Hold down | B4 |
| Cold cranking amps (EN) | 280 A |
| Capacity (C20) | 40 Ah (c20) |
| Case type | LB1 |

## Quick description

**Exide ES450 12V 40Ah 280A** is a marine battery, vibration- and deep-discharge resistant, suitable both for outboard engine starting and for onboard auxiliary services (navigation lights, GPS, sonar, fridge). Sealed and maintenance-free.

## Why this marine battery?

- **Marine design** built for boat swell and vibration
- **Dual function** starts the engine and powers onboard services
- **Sealed and safe** maintenance-free even when the boat rolls

🔌 Voltage
12 V

⚡ Capacity
40 Ah C20

🔋 Cold cranking
280 A EN-1

📏 Dimensions
207×175×175 mm

⚙️ Technology
GEL

🧭 Polarity
Positive on the right

⚖️ Weight
14,2 kg

🏷️ Model
EXIDE MARINA GEL

## Description

## Marine battery Exide ES450 Marina GEL 40Ah 280A 12V

12*V* Voltage
40*Ah* Capacity
280*A* Cold cranking
14.20*kg* Weight

The **Exide ES450** with GEL technology is a marine battery with **40 Ah** and **280 A** of cold cranking current (EN) for motor and sailing boats, both for engine starting and onboard services. Measuring 207 × 175 × 175 mm and the positive terminal on the right, it is the direct replacement for boats fitted from the factory with a 40 Ah battery of this format.
- GEL: excellent resistance to deep discharge and long cycle life.
- Ready for starting outboard and inboard engines.
- Sealed: no spills or gases in the locker.
- Resistant to humidity and salt air.

### What the Exide ES450 is for

On board, the Exide ES450 provides 40 Ah with a case reinforced against vibration and swell. Keep the terminals clean and protected from salt humidity. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 14.20 kg, 1 full Ford lug terminals and B4 hold-down.

### Size, terminals and hold-down of the Exide ES450

It has external dimensions of 207 × 175 × 175 mm and weighs 14.20 kg. The positive terminal on the right decides which side the cables end up on: it is the detail that causes most buying mistakes, so check it before ordering. It uses a B4 hold-down and 1 full Ford lug terminals, the system that anchors and connects it in the vehicle. For a direct replacement, the current battery tray must accept these dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.

### The Exide ES450: Marina GEL range and GEL technology

The **Marina GEL** is the Exide range the ES450 belongs to: it shares the same construction and quality criteria with the rest of the series, and varies in capacity and format to suit each vehicle.
GEL technology fixes the acid in a solid gel. That removes maintenance and leaks and gives very long cycle life, in exchange for slightly slower recharging and lower peak current than an AGM.

### Why choose Exide batteries

With more than a century of history, Exide Technologies manufactures automotive, marine, motorcycle and industrial batteries in Europe. Its presence as original equipment on assembly lines vouches for the quality of every reference. We guarantee that every Exide arrives new, charged and with the manufacturer's full warranty.

### Official warranty

The Exide ES450 comes with the **manufacturer's official warranty** against manufacturing defects. Deep discharge from winter lay-up without charging is not covered.

### Usage and maintenance tips

As a service battery, avoid routine discharges below 50% to extend its cycle life. Protect the terminals with dielectric grease and check the fixing: vibration and swell loosen connections.

### When you get it and how to return it

Same-day dispatch from our warehouse for in-stock orders placed **before 6:00 pm**: 24-48 working hours in mainland Spain and Portugal, 3 to 5 days in the islands and the rest of Europe. Returns are accepted for **14 days** if the battery has not been used (free collection on the Iberian mainland). You will receive tracking by email.

## Frequently asked questions

### Is the Exide ES450 a GEL battery? What is GEL used for?

Yes, this model is a GEL battery: sealed lead-acid where the electrolyte is in gel form. It tolerates deep discharges very well and is ideal for cyclic use (solar, motorhomes, electric wheelchairs, motorcycles). Requires a GEL-specific smart charger — max charge voltage ~14.1 V (vs 14.4-14.7 V for AGM). Lifespan 6-10 years.

### How is the Exide ES450 battery installed in the vehicle?

In most boats it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on our blog. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — with positive on the right match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On boats with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

### What is the service life of the ES450 model?

Expected lifespan of the Exide ES450 is 6 to 10 years in cyclic use (marine, caravan, solar) with controlled discharges. In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.

### What are the dimensions of the Exide ES450 battery?

Dimensions (length × width × height) are 207×175×175 mm — also written as 207x175x175 mm and correspond to the European LB1 case size — following the European DIN standard. Always measure the space in your boat before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

### On which side is the positive of the ES450 model?

Polarity: positive on the right. To identify it, place the battery in front of you with the terminals facing you and check which side the positive (+, marked with a red ring) is on. Before buying, verify the polarity matches your current battery: switching polarity forces longer cables or system reconfiguration, with short-circuit risk.

### Will the Exide ES450 battery fit my boat?

Three options to confirm: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The ES450 typically fits a wide range of European vehicles thanks to its standard DIN case format.

### Which batteries are equivalent to the Exide ES450?

Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop boats. See the "Equivalents" section to view recommended options at the same performance level.


## Technical team (editorial authorship)

The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — automotive battery specialists since 2012.

→ https://baterias.com/gb/technical-team

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*baterias.com — Automotive batteries · 2026-10-26*