# Marine battery Fullriver DC120-12C 12V 120Ah AGM ![Marine battery Fullriver DC120-12C 12V 120Ah AGM](https://baterias.com/68-home_default/battery-agm-fullriver-dc120-12c-12v-120ah.jpg) > Fullriver DC120-12C marine battery 12V 120Ah AGM. Vibration resistant, deep-discharge capable; cranking and house duties. 24 h delivery. **Category:** [Boat Batteries](https://baterias.com/gb/boat-batteries) → [FULLRIVER](https://baterias.com/gb/fullriver) - **Canonical URL**: https://baterias.com/gb/battery-agm-fullriver-dc120-12c-12v-120ah - **Language**: en-GB - **Brand**: FULLRIVER - **Reference**: BCOM-FULLRIVER-DC120-12C - **MPN**: DC120-12C - **Price**: 441,26 € - **Stock**: Out of stock ## Technical specifications | Feature | Value | |---|---| | Brand | FULLRIVER | | Reference | DC120-12 C | | Model | FULLRIVER DC | | Voltaje | 12 V | | Largo | 341 mm | | Ancho | 172 mm | | Alto | 283 mm | | Peso | 38.7 kg | | Tecnología | AGM | | Terminal | AP | | Arranque en frío CCA EN | 750 A | | Capacidad C20 (Ah) | 120 Ah (c20) | | Capacidad C5 (Ah) | 98 Ah (c5) | ## Quick description **Fullriver DC120-12C 12V 120Ah 750A** 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 i 12 V ⚡ Capacity i 120 Ah C20 🔋 Cold cranking i 750 A EN-1 📏 Dimensions i 341×172×283 mm ⚙️ Technology i AGM ⚖️ Weight i 39 kg 🏷️ Model i Fullriver DC ## Description [ ](https://www.fullriverbattery.com) ## Battery Fullriver DC120-12C 120Ah 750A 12V The Battery FULLRIVER DC120-12C 120Ah 750A 12V DC Series belongs to the Fullriver DC Batteries Fullriver DC series batteries offer high capacity and a long useful life of a true deep cycle battery with all free maintenance comforts and benefits. When it comes to deep cycle batteries, details matter.The construction, chemistry of plates and crafts should be in synchrony to obtain the longest useful life in the most demanding applications.Fullriver DC series batteries use more lead and heavier plates, creating more reserve capacity and maximum life cycles. Whether you need deep cycle energy for your recreational ship or vehicle, golf car or floors cleaning machine, we have the right battery for you.Fullriver battery, "the one that works." ### Ideal for: - Solar - Renewable energy - Golf cars - Electric vehicles - Cleaning machines - Marina - Trucks/Commercial Vehicles - Reserve energy - Recreational vehicles/caravan/motorhomes - Mobility vehicles - Marina - Lifting and transpalta wheelbarrows - Industrial machinery and elevators ### Battery advantages and characteristics FULLRIVER DC120-12C 120Ah 750A 12V - Long useful life.Fullriver DCG gel batteries usually last more than their moist cell counterparts due to pure virgin lead to 99,994%, thick plates and without maintenance.The DCG series offers approximately 1300 cycles at 50% DOD (download depth). - Robust construction.Fullriver DCG is built with thick pure lead and welds on partition, which considerably increases vibration and impact resistance. - Advanced gel electrolyte: The patented Fullriver Tixotropic gel formula prevents stratification and increases the life of the cycle.Gel batteries also offer exceptional performance for slow discharge applications and extreme temperature environments. - Flexible installation.Gel batteries can be installed in any orientation, except face down, which allows you to place them in places where traditional wet cell batteries cannot.Gel batteries are recombinant and do not emit gases such as traditional wet cell batteries, which means you can mount them inside the cabin, as well as avoid cleaning the corrosion of the terminals. ### How to find the right battery for your vehicle or device? Although AGM technology is superior to other types of Fullriver batteries has shown that its AGM batteries are even superior to other manufacturers that also manufacture batteries with AGM technology.Its objective is to expand its products to a wide list of applications, which is why they have specific batteries for applications, from solar to races. We assure you that there is a Fullriver battery for each application, but if you are not sure what battery you need, do not hesitate to contact our customer service and advise you for free. ### Why choose a fullriver battery? Fullriver produces a wide range of batteries of 2, 6, 8 and 12 volts, in all sizes BCI, DIN and other international sizes.Each series of Fullriver batteries is designed to load and recharge hundreds of times, in addition all its sealed AGM and GEL batteries are maintenance free. ### Know more about fullriver Fullriver is an American manufacturer of batteries specialized in sealed agm batteries and maintenance, is one of the few companies that manufacture and get involved in the entire process of manufacturing their batteries, from the initial idea to the assembly according to technical specifications. This brand manufactures batteries with VRLA technology of the highest quality in the current market.Unlike what happens with other battery manufacturers, Fullriver controls the entire process of manufacturing its batteries: the foundry of the grid, the glue of plates and the final assembly are carried out in its factory.Which guarantees total quality control. Thanks to this they have obtained several quality control certifications that include;ISO9001, ISO14001, ISO18001, UL, CE and TEN for quality production systems. If you want additional information about Battery Fullriver DC120-12C, you can download the product's technical sheet at the following link: [ Download technical sheet Fullriver DC120-12C 120Ah 750A 12V](/fichastecnicas/ficha-tecnica-bateria-fullriver-dc120-12c-120ah-750a-12v-es.pdf) ## Frequently asked questions ### Is the DC120-12C model AGM? What does this technology offer? Yes. The DC120-12C from Fullriver 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. ### How do I know if the DC120-12C model fits my boat? Three ways: 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 for the DC120-12C; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 9:00–18:00 CET). ### How do I change this battery step by step? 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 this page. 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 — 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 warranty does the Fullriver DC120-12C battery have? The official manufacturer warranty is 2 years and covers manufacturing defects. It applies to defects such as damaged cells, internal short-circuits or abnormal capacity loss. Wear from misuse (prolonged overcharging, wrong charger or faulty alternator) is not covered. Once the defect is verified by technical inspection, we replace the DC120-12C at no cost. ### How long does Fullriver DC120-12C delivery take? In mainland Spain and Portugal it arrives in 24 h if you order before 17:00 and the battery is in stock — it leaves the same day and arrives the next business day. Afternoon or weekend orders ship the next business day. For Balearics, Canaries and other EU destinations, allow 2-5 days. Shipping cost is calculated in the cart based on destination and service (standard, express, cash on delivery). Tracking number is sent by email + SMS as soon as the parcel ships. ### How do I return the DC120-12C model if it doesn't fit? Yes. You have 14 days from delivery to return it. In mainland Spain and Portugal returns are FREE — we cover the return shipping cost via prepaid label. In other EU countries the return shipping cost is the customer's. It must arrive in its original packaging with no signs of installation. If it was defective, the warranty covers replacement even after the 14-day period. ### How much does the Fullriver DC120-12C battery cost? The current price at baterias.com is 364,68 € (VAT not included), updated every 24 hours. The applicable VAT is calculated in the cart and depends on the destination country of the shipment. Shipping cost is calculated in the cart based on destination and chosen service (standard, express, cash on delivery). ### Where can I buy the Fullriver DC120-12C battery? At baterias.com — authorised distributor with real stock, 24h delivery in mainland Spain and Portugal if you order before 17:00, and full manufacturer warranty. Shipping cost is calculated in the cart based on destination and chosen service (standard, express, cash on delivery). Secure payment by card, Bizum, PayPal or bank transfer. If you choose at-home installation, our technician will take the used battery and dispose of it through an authorised collection point. ### What is the service life of the DC120-12C model? Expected lifespan of the Fullriver DC120-12C is 5 to 8 years in mild-climate boat use with 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 dimensions of the Fullriver DC120-12C battery? Dimensions (length × width × height) are 341×172×283 mm — also written as 341x172x283 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. ### How much does the Fullriver DC120-12C battery weigh? It weighs 38,7 kg. Most of the weight is lead. If you plan to fit it yourself, use gloves and a carrying strap (AGM batteries are slightly heavier than conventional due to the absorbent glass-mat fibre). ### How many amps does the Fullriver DC120-12C battery have? Nominal capacity 120 Ah[?cca: and [cold-cranking amps 750 A]] at 12 V. Ah measure the total energy available (autonomy); CCA (also written A in cold or EN under the European standard) measure the instantaneous power to crank the starter motor. A battery with more CCA starts better in winter; one with more Ah keeps accessories on for longer. ### Will the Fullriver DC120-12C 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 9:00–18:00 CET). The DC120-12C typically fits a wide range of European vehicles thanks to its standard DIN case format. ### Which batteries are equivalent to the Fullriver DC120-12C? 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. ### Is this battery a better choice than another equivalent? This battery and its equivalents from Bosch, Tudor or Exide are technically comparable: same dimensions, same voltage and same capacity. The differences are warranty (Varta and Bosch: 2 years; Tudor and Exide: 2 years on the equivalent line), manufacturing plant (Varta and Bosch share origin in the Clarios Group; Tudor and Exide belong to Stryten Energy) and price. For private use any of these brands will give 4-6 years of life. Compare them in the "Equivalents" section. ### What do users say about the Fullriver DC120-12C battery? The average rating of the Fullriver DC120-12C on baterias.com is 4.6/5 from 6 verified customer reviews. The product rating, when available, is shown above and in the "Reviews" section. You can also check our public Trustpilot profile at shop level (4.4/5 from 10,545+ verified reviews). Most-praised points: reliable cold start, lifespan above 5 years and fast delivery; most common complaints mention BMS-equipped boats that need OBD registration after fitting. ## Reviews - **Average rating**: 4.6 / 5 (5 reviews) ## Technical team (editorial authorship) The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — over 25 years of experience validating automotive batteries. → https://baterias.com/gb/technical-team --- *baterias.com — Automotive batteries · 2026-07-11*