Fullriver DC250-6 · Marine battery 6V 250Ah 960A AGM
Specifications
| Brand | FULLRIVER |
|---|---|
| Part number | DC250-6 |
| Voltage (V) | 6 |
| Capacity (C20) | 250Ah (c20) |
| Capacity (C5) | 204Ah (c5) |
| Cold cranking amps (EN) | 960 |
| Technology | AGM |
| Length | 262.00 mm |
| Width | 181.00 mm |
€399.20
VAT included
4,65/5★★★★★16 reviewsVerified purchases
- ★★★★Ricardo Reyes:
Les llamé y me resolvieron varias dudas sobre la instalación de mi bateria
- ★★★★Daniel Alonso:
Les llamé y me resolvieron varias dudas sobre la instalación de mi batería
- ★★★★★Gabriel Romero:
Gracias a vosotros pude instalar correctamente la batería
Reviews originally written in Spanish
See all 16 reviewsFullriver DC250-6 6V 250Ah 960A 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 designbuilt for boat swell and vibration
- Dual functionstarts the engine and powers onboard services
- Sealed and safemaintenance-free even when the boat rolls
Voltage
6 V
Capacity
250 Ah
Cold cranking
960 A
Dimensions
262×181×283 mm
Technology
AGM
Weight
34,5 kg
Model
DC Series
Marine battery Fullriver DC250-6 DC 250Ah 960A 6V
6VVoltage
250AhCapacity
960ACold cranking
34.50kgWeight
The Fullriver DC250-6 marine battery offers 6 V, 250 Ah and 960 A of cold cranking current (EN) from the DC range with AGM technology, designed for motor and sailing boats, both for engine starting and onboard services. Measuring 262 × 181 × 272 mm, it is the direct replacement for boats fitted from the factory with a 250 Ah battery of this format.
- Sealed: no spills or gases in the locker.
- Resistant to humidity and salt air.
- AGM: faster recharging and better cycle resistance than a conventional battery.
- Ready for starting outboard and inboard engines.
Will it fit your current battery tray?
In terms of format, the Fullriver DC250-6 measures 262 × 181 × 272 mm (length × width × height) and weighs 34.50 kg. It uses M8 terminals, the system that anchors and connects it in the vehicle. Before replacing it, measure your current battery tray: if all three dimensions and the terminal positions match, the swap is direct and needs no adapters.
What the Fullriver DC250-6 is for
With 250 Ah, the Fullriver DC250-6 covers motor and sailing boats, both for engine starting and onboard services. At the end of the season, charge it fully before winter storage. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 34.50 kg and M8 terminals.
The Fullriver DC250-6: DC range and AGM technology
The DC250-6 is part of the Fullriver DC range. Choosing the right reference within the series comes down to capacity, dimensions and terminals: technology and quality are common to the whole family.
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.
Fullriver: the maker behind the DC250-6
Fullriver specialises in deep-cycle AGM batteries for mobility, marine, solar and traction. Its DC and HC series are known for their tolerance to deep discharge and long cycle life. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.
Manufacturer's warranty
The Fullriver DC250-6 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
Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators. Protect the terminals with dielectric grease and check the fixing: vibration and swell loosen connections.
When you get it and how to return it
Order before 6:00 pm with stock available and it leaves today: mainland Spain and Portugal receive it in 24-48 working hours, the islands and the rest of the EU in 3 to 5 days. You have 14 days to return it if it has not been installed, with free collection on the mainland, and shipment tracking by email.
BCOM-FULLRIVER-DC250-6
Data sheet
- Brand
- FULLRIVER
- Reference
- DC250-6
- Model
- FULLRIVER DC
- Voltage (V)
- 6
- Length
- 262.00 mm
- Width
- 181.00 mm
- Height
- 272.00 mm
- Weight
- 34.50 Kgs
- Technology
- AGM
- Terminal type
- M8
- Cold cranking amps (EN)
- 960
- Capacity (C20)
- 250Ah (c20)
- Capacity (C5)
- 204Ah (c5)
Specific References
- MPN
- DC250-6
4,65/5
Verified purchasesLatest verified reviews
Reviews originally written in Spanish
★★★★★Ricardo Reyes
27/09/2026Me ayudaron a instalar la batería
Les llamé y me resolvieron varias dudas sobre la instalación de mi bateria
★★★★★Daniel Alonso
05/05/2026Gracias por su ayuda
Les llamé y me resolvieron varias dudas sobre la instalación de mi batería
★★★★★Gabriel Romero
28/04/2026Gracias por su ayuda
Gracias a vosotros pude instalar correctamente la batería
★★★★★Jose Angel Benitez
22/01/2026Super bien el servicio
Te atienden fenomenal
★★★★★Alex Suarez
18/01/2026Buenos precios
Buen tiempo de entrega. Me urgía instalar la batería a mi coche. Gracias
★★★★★Daniel Moya
06/01/2026Me ayudaron con la instalación
No tengo mas que palabras de agradecimiento, la batería me llego al día siguiente y me asesoraron gratis para la instalación
★★★★★Miguel Cabrera
02/01/2026Recomendaré la web seguro
Tiene de los mejores precios de baterías online que he visto, pero si encima te atienden vía telefónica super bien, no hay más que buscar. Otros ni te cogen el teléfono
Recommended accessories
How to change the battery
Guide to replace a marine battery (cranking or house) in 20-30 minutes. Moisture and vibration in marine environments require reinforced hold-downs and sealed copper terminals.
Step 1. Prepare the vehicle
Park on a flat surface, switch off the engine and remove the key. Make sure all lights and electrical accessories are off. Wait 1-2 minutes before starting.
Step 2. Locate the battery compartment
Usually under the passenger bench, engine room or a dedicated ventilated compartment. Verify the compartment is dry and well ventilated before opening.
Step 3. Disconnect the negative (−) terminal
Use the 10 mm wrench to loosen the negative cable nut (black, marked −) and remove the cable from the post. Move it aside so it cannot touch any bodywork.
Step 4. Disconnect the positive (+) terminal
Repeat with the positive cable (red, marked +). Important: never let a terminal touch metal of the car while the other is still connected.
Step 5. Remove the old battery
Marine batteries are heavy (15-50 kg). If it has rope handles, use them; otherwise have a carry strap ready. Secure the new one with metal hold-downs (not plastic) to resist sea-state vibration.
Step 6. Install the new battery
Place the battery in the same orientation as the old one (positive terminal on the same side). Tighten the hold-down clamp firmly.
Step 7. Connect the cables
Connect the positive (+) terminal first, then the negative (−). Tighten the nuts with the wrench until each terminal does not move. Apply anti-spark grease if you have any.
Step 8. Verify circuit + water protection
Apply dielectric grease on terminals to prevent salt-air corrosion. Check the engine charging circuit delivers 13.8-14.4 V at 2,000 rpm.
Frequently asked questions
Is the Fullriver DC250-6 an AGM battery and what are the benefits of AGM?
Yes. The DC250-6 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 is the Fullriver DC250-6 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 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 is the service life of the DC250-6 model?
Expected lifespan of the Fullriver DC250-6 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 DC250-6 battery?
Dimensions (length × width × height) are 262×181×283 mm — also written as 262x181x283 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.
Will the Fullriver DC250-6 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 DC250-6 typically fits a wide range of European vehicles thanks to its standard DIN case format.
What are the equivalents of the DC250-6 model?
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.
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