Fullriver

Fullriver DC55-12 · Boat battery 12V 55Ah 400A

Reference: BOL-FULLRIVER-DC55-12

Fullriver DC55-12: boat battery with 12 V, 55 Ah and 400 A cold cranking current, measuring 229 × 138 × 212 mm.

The Fullriver DC55-12 at a glance

The Fullriver DC55-12 is made for marine use. Fit the DC55-12 securely on board and away from bilge water.

The DC55-12 belongs to the Fullriver DC Series range. See all Fullriver batteries

Equivalents and alternatives to the Fullriver DC55-12

We have no other battery with exactly the dimensions and polarity of the DC55-12. Browse the rest of our marine and boat batteries to compare close options.

Fullriver DC55-12 vs FFD55-12 and FT620-51

What sets the DC55-12 apart from its neighbours in the Fullriver range:

ModelCapacityCold cranking (EN)Dimensions (mm)Weight
Fullriver DC55-12 (this one)55 Ah400 A229 × 138 × 21217.6 kg
Fullriver FFD55-1255 Ah350 A229 × 138 × 21216.4 kg
Fullriver FT620-5155 Ah620 A229 × 138 × 23018 kg
  • Fullriver FFD55-12: the same capacity, 50 A less cranking power, the same dimensions.
  • Fullriver FT620-51: the same capacity, 220 A more cranking power, a different case (229 × 138 × 230 mm).

What it means that the DC55-12 is AGM

Inside, the DC55-12 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

Check this before ordering the Fullriver DC55-12

  • Length, width and height of the DC55-12: 229 × 138 × 212 mm.
  • With 55 Ah, the DC55-12 replaces an original battery of that capacity or slightly less.
  • The DC55-12 delivers 400 A cold cranking (EN standard); do not go below what your original battery states.

Part numbers and codes for the Fullriver DC55-12

Shops, garages and catalogues identify the DC55-12 with these codes:

Commercial referenceDC55-12
Terminal typeM6
Not to be confused withFullriver DCG55-12 (55 Ah), Fullriver DC35-12 (35 Ah, 190 A), Fullriver DC50-12 (50 Ah, 440 A)

Frequently asked questions about the Fullriver DC55-12

DC55-12 or FFD55-12: which one suits me?

Compared with the DC55-12, the Fullriver FFD55-12 has 50 A less cranking power. The DC55-12 cranks harder; the FFD55-12 is only a good option if your original battery says 350 A or less. Both measure 229 × 138 × 212 mm, so they fit the same tray.

How much does the Fullriver DC55-12 weigh?

17.6 kg, with 55 Ah of capacity. For reference, the Fullriver FFD55-12 (55 Ah) weighs 16.4 kg.

Which charger does the Fullriver DC55-12 need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

Other options if you are unsure about the DC55-12

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