Fulmen

Fulmen FA852 · Car battery 12V 85Ah 800A

Reference: BOL-FULMEN-FA852 · EAN 3661024044295

The Fulmen FA852 is a car battery with 12 V, 85 Ah and 800 A cold cranking current, case size LB4 (315 × 175 × 175 mm), with the positive terminal on the right.

Voltage
12V
Capacity
85Ah
Cold cranking amps (EN)
800A
Technology
Lead-acid
Dimensions (L × W × H)
315 × 175 × 175 mm
Polarity
Positive terminal on the right
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Does it fit your vehicle? Check by number plate or VIN

Enter your number plate or chassis number (VIN): we check whether this battery is compatible with your vehicle.

Where the Fulmen FA852 fits

The Fulmen FA852 is a starter battery for cars without Start-Stop: it delivers the current the starter motor needs and then powers lights, control units and audio with the engine off. The FA852 covers the daily routine of a car without automatic engine stop: cold starts, short trips and loads with the ignition off.

At 85 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The FA852 belongs to the Fulmen FULMEN Formula Xtreme range. The full range of Fulmen batteries

Fulmen FA852 vs FB802, FK820 and FL752: which one to choose?

How the FA852 compares with Fulmen batteries of similar size and capacity:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Fulmen FA852 (this one)85 Ah800 A315 × 175 × 175right18.6 kg
Fulmen FB80280 Ah700 A315 × 175 × 175right17.8 kg
Fulmen FK82082 Ah800 A315 × 175 × 190right23.3 kg
Fulmen FL75275 Ah730 A315 × 175 × 175right18.6 kg
  • Fulmen FB802: 5 Ah less, 100 A less cranking power, the same LB4 case.
  • Fulmen FK820: 3 Ah less, the same cranking power, a different height (190 mm instead of 175 mm, L4), AGM technology. It only fits if there is room for 190 mm of height.
  • Fulmen FL752: 10 Ah less, 70 A less cranking power, the same LB4 case, EFB technology.

Part numbers and codes for the Fulmen FA852

Look for any of these FA852 codes on your current battery or in the manufacturer's catalogue:

Commercial referenceFA852
EAN3661024044295
Case size (EN)LB4
Not to be confused withFulmen FB852 (85 Ah, 760 A)

Equivalents and alternatives to the Fulmen FA852

Batteries that fit the FA852's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the FA852.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Exide EA852Lead-acid85 Ah800 A315 × 175 × 175
Varta F18Lead-acid85 Ah800 A315 × 175 × 175
Tudor TA852Lead-acid85 Ah800 A315 × 175 × 175
Deta DA852Lead-acid85 Ah800 A315 × 175 × 175
Varta F17Lead-acid80 Ah740 A315 × 175 × 175
Kronobat PB-80.0BLead-acid80 Ah740 A315 × 175 × 175

Its Bosch equivalent is the Bosch S5 010, the same as for the Varta F18. Bosch is not part of our catalogue; we list it so you can compare.

Before ordering the FA852, check this

  • Measure the space: the FA852 takes up 315 × 175 × 175 mm (European case size LB4).
  • With the terminals facing you, the positive terminal of the FA852 is on the right.
  • Your current battery should say about 85 Ah; a little more is also fine.
  • The FA852 delivers 800 A cold cranking (EN standard); do not go below what your original battery states.
  • If your car has Start-Stop, the FA852 is not the right one: it needs an EFB or an AGM.

What it means that the FA852 is lead-acid

The FA852 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the FA852 needs no special registration: just connect it.

Frequently asked questions about the Fulmen FA852

FA852 or FB802: which one suits me?

Compared with the FA852, the Fulmen FB802 has 5 Ah less and 100 A less cranking power. The FA852 cranks harder; the FB802 is only a good option if your original battery says 700 A or less. Both measure 315 × 175 × 175 mm, so they fit the same tray.

Fulmen FA852 or FK820: what changes?

Mainly the height: the FA852 is 175 mm tall (LB4) and the Fulmen FK820 190 mm (L4), with the same length and width. In capacity and cranking power, the FK820 offers 82 Ah and 800 A against 85 Ah and 800 A. Before choosing between the FA852 and the FK820, measure the free height of the battery compartment with the cover or bonnet closed.

Can the Fulmen FA852 be used in a car with Start-Stop?

No. The FA852 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM; in this same size there is the Fulmen FL752.

How much does the Fulmen FA852 weigh?

18.6 kg, with 85 Ah of capacity. For reference, the Fulmen FB802 (80 Ah) weighs 17.8 kg.

Which battery is equivalent to the Fulmen FA852?

With the same dimensions, polarity and similar capacity you have the Exide EA852, Varta F18 and Tudor TA852. As the FA852 is a conventional battery, an EFB or AGM of the same size also works. Its Bosch equivalent is the Bosch S5 010, the same as for the Varta F18. Bosch is not part of our catalogue; we list it so you can compare.

What case size is the Fulmen FA852?

Case size LB4: 315 × 175 × 175 mm. The FA852 fits any standard LB4 battery tray such as the Exide EA852.

Which side is the positive terminal on the Fulmen FA852?

On the FA852, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

Other options if you are unsure about the FA852

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