Fullriver

Fullriver DC35-12B · Boat battery 12V 35Ah

Reference: BOL-FULLRIVER-DC35-12B

The Fullriver DC35-12B is a boat battery with 12 V and 35 Ah, measuring 196 × 131 × 180 mm.

Where the Fullriver DC35-12B fits

The Fullriver DC35-12B is a battery for boats: engine starting or on-board service, depending on its design, with resistance to damp and hull vibration. Check whether your boat needs starting, service or a dual-purpose battery before choosing.

The DC35-12B belongs to the Fullriver DC Series range. See all Fullriver batteries

Inside the DC35-12B: AGM technology

The DC35-12B is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the DC35-12B can be fitted in the boot or under a seat with no risk of spills.

Fullriver DC35-12B vs DC40-12, FT438-U1 and FFD35-12: which one to choose?

Torn between the DC35-12B and another similar Fullriver? This is what changes:

ModelCapacityDimensions (mm)Weight
Fullriver DC35-12B (this one)35 Ah196 × 131 × 18011.5 kg
Fullriver DC40-1240 Ah198 × 166 × 17413.4 kg
Fullriver FT438-U135 Ah196 × 131 × 19211.3 kg
Fullriver FFD35-1235 Ah196 × 131 × 1679.9 kg
Fullriver DC38-1238 Ah198 × 166 × 17113.5 kg
  • Fullriver DC40-12: 5 Ah more, a different case (198 × 166 × 174 mm).
  • Fullriver FT438-U1: the same capacity, a different height (192 mm instead of 180 mm). It only fits if there is room for 192 mm of height.
  • Fullriver FFD35-12: the same capacity, a different height (167 mm instead of 180 mm). It is the option if your battery tray cannot take the 180 mm height of the DC35-12B.
  • Fullriver DC38-12: 3 Ah more, a different case (198 × 166 × 171 mm).

Equivalents and alternatives to the Fullriver DC35-12B

We have no other battery with exactly the dimensions and polarity of the DC35-12B. Browse the rest of our marine and boat batteries to compare close options.

Part numbers and codes for the Fullriver DC35-12B

Look for any of these DC35-12B codes on your current battery or in the manufacturer's catalogue:

Commercial referenceDC35-12B
Terminal typeF25
Not to be confused withFullriver DC35-12 (35 Ah, 190 A), Fullriver DC65-12B (65 Ah, 490 A)

What to look at before buying the DC35-12B

  • With 35 Ah, the DC35-12B replaces an original battery of that capacity or slightly less.
  • Length, width and height of the DC35-12B: 196 × 131 × 180 mm.

Frequently asked questions about the Fullriver DC35-12B

DC35-12B or DC40-12: which one suits me?

Compared with the DC35-12B, the Fullriver DC40-12 has 5 Ah more. With 40 Ah, the DC40-12 runs longer between charges than the DC35-12B (35 Ah). Mind the space: the DC40-12 measures 198 × 166 × 174 mm.

Fullriver DC35-12B or FT438-U1/FFD35-12: what changes?

Mainly the height: the DC35-12B is 180 mm tall and the Fullriver FT438-U1 192 mm, with the same length and width and 35 Ah against 35 Ah. The Fullriver FFD35-12 is 167 mm tall, with 35 Ah and 225 A. Before choosing between the DC35-12B and the FT438-U1, measure the free height of the battery compartment with the cover or bonnet closed.

How much does the Fullriver DC35-12B weigh?

11.5 kg, with 35 Ah of capacity. For reference, the Fullriver DC40-12 (40 Ah) weighs 13.4 kg.

Which charger does the Fullriver DC35-12B 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.

Keep comparing: alternatives to the DC35-12B

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