# Marine battery Exide EP450 12V 50Ah 750A AGM ![Marine battery Exide EP450 12V 50Ah 750A AGM](https://baterias.com/5685-home_default/battery-exide-ep450-12v-50ah-750a.jpg) > Exide EP450 marine battery 12V 50Ah 750A AGM. MARINA DUAL EP range. Dimensions 260×173×206 mm, + terminal on the left. 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-ep450-12v-50ah-750a - **Language**: en-GB - **Brand**: EXIDE - **Reference**: BCOM-EXIDE-EP450 - **EAN**: 3661024035972 - **MPN**: EP450 - **Price**: 141,80 € (VAT incl., Spain) - **Last updated**: 2026-10-28 - **Stock**: In stock ## Technical specifications | Feature | Value | |---|---| | Brand | EXIDE | | Reference | EP450 | | Model | EXIDE MARINA DUAL EP | | Voltage (V) | 12 V | | Largo | 260 cm | | Ancho | 173 cm | | Alto | 206 cm | | Peso | 18.6 kg | | Tecnología | AGM | | EAN | 3661024035972 | | Terminal layout | 1+9 | | Terminal type | SAE M 3/8"- 5/16"&stud | | Hold down | B7 | | Cold cranking amps (EN) | 750 A | | Capacity (C20) | 50 Ah (c20) | ## Quick description **Exide EP450 12V 50Ah 750A** is a marine battery with reinforced anti-vibration case for moorings and offshore use. Tolerates the typical daily cycles on a boat (engine start + night-time services such as lights, sonar, fridge) and holds voltage even when the hull is rolling in open sea. ## 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 50 Ah C20 🔋 Cold cranking 750 A EN-1 📏 Dimensions 260×173×206 mm ⚙️ Technology AGM 🧭 Polarity Positive on the left ⚖️ Weight 18,6 kg 🏷️ Model EXIDE MARINA DUAL EP ## Description ## Marine battery Exide EP450 Marina Dual EP 50Ah 750A 12V 12*V* Voltage 50*Ah* Capacity 750*A* Cold cranking 18.60*kg* Weight With **50 Ah** at **12 V** and **750 A** of cold cranking current (EN), the **Exide EP450** from the **Marina Dual EP** range is built for motor and sailing boats, both for engine starting and onboard services. Its 260 × 173 × 206 mm make it the exact replacement for the 50 Ah battery fitted as standard to many boats. - Ready for starting outboard and inboard engines. - AGM: faster recharging and better cycle resistance than a conventional battery. - Resistant to humidity and salt air. - Sealed: no spills or gases in the locker. ### Size, terminals and hold-down of the Exide EP450 The Exide EP450 is made in the 260 × 173 × 206 mm format and weighs 18.60 kg. It uses a B7 hold-down and SAE M 3/8"- 5/16"&stud terminals, the system that anchors and connects it in the vehicle. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery. ### What the Exide EP450 is for The Exide EP450 is designed for motor and sailing boats, both for engine starting and onboard services. If it is your starter battery, run the services from a separate battery; if it is a service battery, avoid routinely discharging it beyond 50%. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 18.60 kg, SAE M 3/8"- 5/16"&stud terminals and B7 hold-down. ### The Exide EP450: Marina Dual EP range and AGM technology The **Marina Dual EP** is the Exide range the EP450 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. In an AGM battery the electrolyte is absorbed in glass-fibre separators: there is no free liquid, it cannot spill and it can be mounted at an angle. That construction lowers internal resistance, speeds up recharging and multiplies cycle life compared with a conventional battery. ### What Exide does differently Exide is one of the world's largest battery manufacturers and an original-equipment supplier to many car makers. Its European plants produce starter, industrial and leisure batteries under original-equipment quality controls. We guarantee that every Exide arrives new, charged and with the manufacturer's full warranty. ### Warranty and coverage The Exide EP450 comes with the **manufacturer's official warranty** against manufacturing defects. Deep discharge from winter lay-up without charging is not covered. ### How to make it last longer Protect the terminals with dielectric grease and check the fixing: vibration and swell loosen connections. As a service battery, avoid routine discharges below 50% to extend its cycle life. ### Shipping, delivery and returns Orders placed **before 6:00 pm** with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic Islands and the rest of the European Union allow 3 to 5 working days. You have **14 days** to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships. ## Frequently asked questions ### Is the Exide EP450 an AGM battery and what are the benefits of AGM? Yes. The EP450 from Exide uses AGM (Absorbent Glass Mat) technology: a sealed lead-acid battery where the electrolyte is absorbed in a glass-fibre mat. It withstands more charge/discharge cycles than a conventional one, handles heat better and is the required technology for boats with advanced Start-Stop and regenerative braking. Expected lifespan: 5-8 years under normal conditions. ### Is this a starting or a service (leisure) battery? Dual purpose: it can start the engine and also work as a service battery, handy on boats with a single battery. On boats with two circuits the ideal is one starting battery and one service battery. ### In what position can it be installed on the boat? Being AGM, it is sealed and does not spill: it can be mounted tilted (never upside down) and copes well with vibration and wave impacts. Secure it firmly and keep the terminals away from water. ### What are the dimensions of the Exide EP450 battery? Dimensions (length × width × height) are 260×173×206 mm — also written as 260x173x206 mm — 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. ## Equivalent batteries - [EXIDE EM1000](https://baterias.com/gb/battery-exide-em1000-12v-50ah-800a) ## 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 --- *baterias.com — Automotive batteries · 2026-10-30*