# Marine battery Varta LFS74 12V 74Ah ![Marine battery Varta LFS74 12V 74Ah](https://baterias.com/4283-home_default/battery-varta-lfs74-12v-74ah-680a.jpg) > Varta LFS74 marine battery 12V 74Ah 680A. Official Varta Distributor. Professional Starter range. Dimensions 278×175×190 mm, + terminal on the right. **Category:** [Boat Batteries](https://baterias.com/gb/boat-batteries) → [VARTA](https://baterias.com/gb/varta) - **Canonical URL**: https://baterias.com/gb/battery-varta-lfs74-12v-74ah-680a - **Language**: en-GB - **Brand**: VARTA - **Reference**: BCOM-VARTA-LFS74 - **EAN**: 4016987167120 - **MPN**: LFS74 - **Price**: 126,30 € - **Stock**: In stock ## Technical specifications | Feature | Value | |---|---| | Brand | VARTA | | Reference | LFS74 | | Model | Professional Starter | | Voltage (V) | 12 V | | Capacity | 74 Ah (c20) | | Largo | 278 mm | | Ancho | 175 mm | | Alto | 190 mm | | Peso | 17.3 kg | | Tecnología | Lead-acid | | EAN | 4016987167120 | | Terminal layout | Positive terminal on the right | | Terminal type | 1 | | Hold down | B13 | | Cold cranking amps (EN) | 680 | | Capacity (C20) | 74 | | ETN | 930074068B912 | ## Quick description **Varta LFS74 12V 74Ah 680A** is a marine starting battery: it delivers the cranking power the engine needs and withstands vibration and swell on board. Sealed and maintenance-free. For onboard loads (fridge, sounder, lights) you also need a service battery. ## Why this marine starting battery? - **Marine design** built for boat swell and vibration - **Starting in demanding conditions** maximum cranking power - **Sealed and safe** maintenance-free even when the boat rolls 🔌 Voltage 12 V ⚡ Capacity 74 Ah C20 🔋 Cold cranking 680 A EN-1 📏 Dimensions 278×175×190 mm ⚙️ Technology Lead-acid 🧭 Polarity Positive on the right ⚖️ Weight 16,82 kg 🏷️ Model Professional Starter ## Description ## Varta LFS74 Professional Starter 74Ah 680A 12V Battery 12*V* Voltage 74*Ah* Capacity 680*A* Cold cranking 17,3*kg* Weight The **Varta LFS74 battery** is the **12 V**, **74 Ah** model delivering **680 A** of cold cranking power (EN) from Varta's **Professional Starter** range, designed for starting marine engines and recreational vehicles in demanding conditions. Its 278 × 175 × 190 mm dimensions and positive terminal on the right make it the exact replacement for the 74 Ah battery fitted as standard in many vehicles. - Reliable starting of marine engines and recreational vehicles, in the cold too. - Direct replacement for the original starter battery in marine and leisure use. - Optimised for starting in demanding conditions: maximum power at the moment of cranking. - Rugged construction, resistant to vibration and to the marine environment. ### Applications of the Varta LFS74 battery With 74 Ah, the Varta LFS74 is sized for starting marine engines and recreational vehicles in demanding conditions, as a direct replacement for the original battery. Check that it matches your current battery in dimensions, terminals and hold-down: this reference weighs 17,3 kg and has a type 1 terminal and a B13 hold-down. ### Size and fitting of the Varta LFS74 The Varta LFS74 is made in the 278 × 175 × 190 mm format and weighs 17,3 kg. The positive terminal on the right determines which side the cables run to: it is the detail that causes the most buying mistakes, so it is worth checking before ordering. It uses a B13 hold-down and a type 1 terminal, the system that anchors it to the vehicle's battery tray. Before replacing it, measure the space your current battery occupies: if it matches on all three dimensions and on terminal position, the swap is direct and needs no adapters. ### The Varta LFS74 and the Professional Starter range The **Professional Starter** range consists of pure starter batteries for leisure and marine use, built to give marine engines and recreational vehicles a powerful, dependable start. Unlike deep-cycle or dual-purpose units, they are optimised for cranking rather than for powering equipment over long periods: the choice when all you need is to fire up the engine with confidence. Its construction puts current peak and resistance to the marine environment (vibration, damp and salt) first, rather than the ability to run equipment for hours: that is what the deep-cycle and dual-purpose ranges are for. ### Why choose a Varta battery Varta is an original equipment (OEM) supplier to a good share of Europe's car manufacturers: many cars leave the factory with a Varta fitted. Buying a replacement means, in most cases, refitting the original battery with the same quality and the brand's official warranty. Varta batteries are made under the Clarios group with German technology and quality controls that make them one of the best-selling choices in Europe. As a lead battery, it is 100% recyclable through any collection point. Varta's production combines automated lines with verification of more than 100 parameters per unit; that traceability is what underpins its reputation for reliable starting throughout the battery's life. ### Manufacturer's warranty The Varta LFS74 battery comes with the **official manufacturer warranty**. ### Care and maintenance In leisure applications, avoiding discharges below 50% of capacity multiplies the number of cycles the battery will deliver. A suitable charger and, where possible, a solar regulator keep it healthy through the seasons when it sees less use. To extend its life, recharge it as soon as possible after each discharge and never leave it flat over the winter. A trickle charger is the best investment for getting many cycles out of it. ### Technical sheet Download the official technical sheet for this battery with all the manufacturer data. [Download technical sheet (PDF)](/fichastecnicas/data-sheet-battery-varta-lfs74-74ah-680a-12v-en.pdf) ## Frequently asked questions ### How do I fit the LFS74 model in my boat? 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 LFS74 model? Expected lifespan of the Varta LFS74 is 4 to 6 years in regular boat use without Start-Stop. 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 measurements of the LFS74 model? Dimensions (length × width × height) are 278×175×190 mm — also written as 278x175x190 mm and correspond to the European L3 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. ### What polarity does the Varta LFS74 battery have? 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. ### Is the LFS74 valid for my vehicle? 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 LFS74 fits 4 verified vehicle versions in our database. ### Which batteries are equivalent to the Varta LFS74? 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. ## Compatible vehicles This battery fits 4 vehicles. Most searched: - [Tango Yachts PL Tango (1990)](https://baterias.com/gb/boat-batteries/tango-yachts-pl/tango) - [Malö Yachts AB Malö (1990)](https://baterias.com/gb/boat-batteries/malo-yachts-ab/malo) - [Pronavia Marine AB Pronavia 38 (1990)](https://baterias.com/gb/boat-batteries/pronavia-marine-ab/pronavia-38) - [Comfortbätar,Schwed Comfortina (1990)](https://baterias.com/gb/boat-batteries/comfortbatarschwed/comfortina) ## Equivalent batteries - [EXIDE EN750](https://baterias.com/gb/battery-exide-en750-12v-74ah-680a) - [EXIDE ET550](https://baterias.com/gb/battery-exide-et550-12v-80ah-600a) ## 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 · 2026-10-19*