Fullriver

Fullriver DC50-12B · Boat battery 12V 50Ah 270A

Reference: BOL-FULLRIVER-DC50-12B

Fullriver DC50-12B: boat battery with 12 V, 50 Ah and 270 A cold cranking current, measuring 198 × 166 × 171 mm.

Where the Fullriver DC50-12B fits

The Fullriver DC50-12B is a battery for boats: engine starting or on-board service, depending on its design, with resistance to damp and hull vibration. Fit the DC50-12B securely on board and away from bilge water.

The DC50-12B belongs to the Fullriver DC Series range. More Fullriver batteries

Equivalents and alternatives to the Fullriver DC50-12B

We have no other battery with exactly the dimensions and polarity of the DC50-12B. Browse the rest of our marine and boat batteries to compare close options.

Fullriver DC50-12B vs DC38-12 and DC40-12

The real differences between the DC50-12B and the closest Fullriver models:

ModelCapacityCold cranking (EN)Dimensions (mm)Weight
Fullriver DC50-12B (this one)50 Ah270 A198 × 166 × 17114.9 kg
Fullriver DC38-1238 Ah265 A198 × 166 × 17113.5 kg
Fullriver DC40-1240 Ah275 A198 × 166 × 17413.4 kg
  • Fullriver DC38-12: 12 Ah less, 5 A less cranking power, the same dimensions.
  • Fullriver DC40-12: 10 Ah less, 5 A more cranking power, a different case (198 × 166 × 174 mm).

What it means that the DC50-12B is AGM

The DC50-12B is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the DC50-12B can be fitted in the boot or under a seat with no risk of spills.

Check this before ordering the Fullriver DC50-12B

  • Measure the space: the DC50-12B takes up 198 × 166 × 171 mm.
  • Your current battery should say about 50 Ah; a little more is also fine.
  • Check the EN amps on your battery: if it says 270 A or less, the DC50-12B covers your engine.

Part numbers and codes for the Fullriver DC50-12B

Look for any of these DC50-12B codes on your current battery or in the manufacturer's catalogue:

Commercial referenceDC50-12B
Terminal typeM6
Not to be confused withFullriver DC50-12 (50 Ah, 440 A), Fullriver DC60-12B (60 Ah, 510 A)

Frequently asked questions about the Fullriver DC50-12B

DC50-12B or DC38-12: which one suits me?

Compared with the DC50-12B, the Fullriver DC38-12 has 12 Ah less and 5 A less cranking power. The DC50-12B cranks harder; the DC38-12 is only a good option if your original battery says 265 A or less. Both measure 198 × 166 × 171 mm, so they fit the same tray.

How much does the Fullriver DC50-12B weigh?

14.9 kg, with 50 Ah of capacity. For reference, the Fullriver DC38-12 (38 Ah) weighs 13.5 kg.

Can the Fullriver DC50-12B be used for starting and service at the same time?

Only if it is dual purpose. A starter battery is not built for deep discharge, and a service battery does not deliver the current peak the engine asks for.

More batteries to compare with the DC50-12B

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