Fullriver

Fullriver DC20-12 · Boat battery 12V 20Ah 135A

Reference: BOL-FULLRIVER-DC20-12

Fullriver DC20-12: boat battery with 12 V, 20 Ah and 135 A cold cranking current, measuring 181 × 77 × 167 mm.

Where the Fullriver DC20-12 fits

The Fullriver DC20-12 is made for marine use. With 20 Ah, the DC20-12 suits boats that had a battery of that capacity.

The DC20-12 belongs to the Fullriver DC Series range. More Fullriver batteries

AGM technology in the DC20-12

Inside, the DC20-12 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

Fullriver DC20-12 vs FT230 and FT230L: which one to choose?

The real differences between the DC20-12 and the closest Fullriver models:

ModelCapacityCold cranking (EN)Dimensions (mm)Weight
Fullriver DC20-12 (this one)20 Ah135 A181 × 77 × 1676.44 kg
Fullriver FT23020 Ah230 A181 × 77 × 1677 kg
Fullriver FT230L20 Ah230 A181 × 77 × 1677 kg
  • Fullriver FT230: the same capacity, 95 A more cranking power, the same dimensions.
  • Fullriver FT230L: the same capacity, 95 A more cranking power, the same dimensions.

Equivalents and alternatives to the Fullriver DC20-12

We have no other battery with exactly the dimensions and polarity of the DC20-12. Browse the rest of our marine and boat batteries to compare close options.

Part numbers and codes for the Fullriver DC20-12

Shops, garages and catalogues identify the DC20-12 with these codes:

Commercial referenceDC20-12
Terminal typeM5
Not to be confused withFullriver DC10-12 (10 Ah), Fullriver DC210-12 (210 Ah), Fullriver DC220-12 (220 Ah, 1,150 A)

What to look at before buying the DC20-12

  • Check the EN amps on your battery: if it says 135 A or less, the DC20-12 covers your engine.
  • Capacity of the DC20-12: 20 Ah; the same as your current battery or slightly more is fine.
  • The DC20-12 needs 181 × 77 × 167 mm of space: measure it with the hold-down clamp in place.

Frequently asked questions about the Fullriver DC20-12

DC20-12 or FT230: which one suits me?

Compared with the DC20-12, the Fullriver FT230 has 95 A more cranking power. If your current battery says 230 A or more, choose the FT230; if it says 135 A or less, the DC20-12 is enough. Both measure 181 × 77 × 167 mm, so they fit the same tray.

How much does the Fullriver DC20-12 weigh?

6.44 kg, with 20 Ah of capacity. For reference, the Fullriver FT230 (20 Ah) weighs 7 kg.

How do I look after the boat battery in winter?

Leave it 100% charged, disconnected or on a marine maintenance charger. A battery that spends the winter half-discharged loses capacity permanently.

Keep comparing: alternatives to the DC20-12

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