Fullriver DCG50-12 · Wheelchair battery 12V 50Ah AGM
Specifications
| Brand | FULLRIVER |
|---|---|
| Part number | DCG50-12 |
| Voltage (V) | 12 |
| Capacity (C20) | 50Ah (c20) |
| Capacity (C5) | 42Ah (c5) |
| Technology | AGM |
| Length | 241.00 mm |
| Width | 175.00 mm |
| Height | 190.00 mm |
€234.50
VAT included
4,73/5★★★★★10 reviewsVerified purchases
- ★★★★★Javier Mendez:
Gracias a vosotros pude instalar correctamente la batería
- ★★★★★Tomas Carrasco:
Me ayudaron con la instalación de mi batería
- ★★★★Joaquin Martin:
Pedí la batería un lunes a las 7 y me llegó el martes a las 4
Fullriver DCG50-12 12V 50Ah is a sealed AGM/GEL battery for daily mobility use: maintenance-free, no risk of spills, and thousands of useful cycles well beyond a starter battery.
Why this wheelchair battery?
- Daily cycling without wearhandles deep discharges without losing capacity
- Sealed AGM/GELno maintenance, no risk of spills
- Thousands of useful cyclesover its full lifetime
Voltage
12 V
Capacity
50 Ah
Dimensions
241×175×190 mm
Technology
AGM
Weight
18 kg
Model
DCG Series
Marine battery Fullriver DCG50-12 DCG 50Ah 12V
12VVoltage
50AhCapacity
18kgWeight
With 50 Ah at 12 V, the Fullriver DCG50-12 from the DCG range is built for motor and sailing boats, both for engine starting and onboard services. Its 241 × 175 × 190 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.
What the Fullriver DCG50-12 is for
With 50 Ah, the Fullriver DCG50-12 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 18 kg and AP terminals.
The Fullriver DCG50-12: DCG range and AGM technology
The DCG50-12 is part of the Fullriver DCG 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.
Size, terminals and hold-down of the Fullriver DCG50-12
The Fullriver DCG50-12 is made in the 241 × 175 × 190 mm format and weighs 18 kg. It uses AP 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 Fullriver does differently
With its own plants and a catalogue focused on high-performance AGM, Fullriver is a familiar brand in power wheelchairs, boats and photovoltaic systems that need thousands of cycles. All the Fullriver batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
Care and maintenance
As a service battery, avoid routine discharges below 50% to extend its cycle life. At the end of the season, charge the battery fully and, if possible, keep it on a charger over the winter lay-up.
Official warranty
The Fullriver DCG50-12 comes with the manufacturer's official warranty against manufacturing defects. Deep discharge from winter lay-up without charging is not covered.
Delivery times 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 and Canary 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.
BCOM-FULLRIVER-DCG50-12
Data sheet
- Brand
- FULLRIVER
- Reference
- DCG50-12
- Model
- FULLRIVER DCG
- Voltage (V)
- 12
- Length
- 241.00 mm
- Width
- 175.00 mm
- Height
- 190.00 mm
- Weight
- 18.0 Kgs
- Technology
- AGM
- Terminal type
- AP
- Capacity (C20)
- 50Ah (c20)
- Capacity (C5)
- 42Ah (c5)
Specific References
- MPN
- DCG50-12
4,73/5
Verified purchasesLatest verified reviews
★★★★★Javier Mendez
01/06/2026Asesoramiento gratis
Gracias a vosotros pude instalar correctamente la batería
★★★★★Tomas Carrasco
30/01/2026Gracias
Me ayudaron con la instalación de mi batería
★★★★★Joaquin Martin
20/01/2026La batería llegó a tiempo
Pedí la batería un lunes a las 7 y me llegó el martes a las 4
★★★★★Jose Maria Delgado
03/11/2025Gracias
Gracias a vosotros pude instalar correctamente la bateria
Comparison: Fullriver DCG50-12 vs equivalents
The Fullriver DCG50-12 is interchangeable with these equivalent references: HC50 (Fullriver).
| Product | Specifications | Technology | Price |
|---|---|---|---|
Fullriver
DCG50-12
This battery
|
12V 50Ah | AGM | €234.50 |
Fullriver
HC50
|
12V 50Ah 560A | AGM | €377.95 |
Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.
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 DCG50-12 an AGM battery and what are the benefits of AGM?
Yes. The DCG50-12 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 DCG50-12 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 DCG50-12 model?
Expected lifespan of the Fullriver DCG50-12 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 size is this battery?
Dimensions (length × width × height) are 241×175×190 mm — also written as 241x175x190 mm and correspond to the European L2 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.
Will the Fullriver DCG50-12 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 DCG50-12 typically fits a wide range of European vehicles thanks to its standard DIN case format.
Which batteries are equivalent to the Fullriver DCG50-12?
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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