Fulmen FG1008 · Truck battery 12V 100Ah 680A

Batería Fulmen FG1008 100Ah - 1
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  • Batería Fulmen FG1008 100Ah - 1

Specifications

BrandFulmen
Part numberFG1008
Voltage (V)12
Capacity (C20)100Ah (c20)
Cold cranking amps (EN)680A
TechnologyLead-acid
Length413 mm
Width175 mm
Height220 mm
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Fulmen FG1008 12V 100Ah 680A is a professional battery for heavy commercial vehicles. Withstands constant chassis vibration, supports long cold-engine cranks and keeps auxiliary services running (tachograph, heater, refrigeration, GPS) during driver's mandatory rest stops.

Why this truck battery?

  • True Heavy Dutybuilt for intensive professional use
  • Long cold-diesel cranksreliable even in extreme cold
  • Powers services at idletachograph, heater and lights with engine off
Voltage
12 V
Capacity
100 Ah C20
Cold cranking
680 A EN-1
Dimensions
413×175×220 mm
Technology
Lead-acid
Polarity
Positive on the right
Weight
25,6 kg
Model
FULMEN StartPRO
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Truck battery Fulmen FG1008 StartPRO 100Ah 680A 12V

12VVoltage
100AhCapacity
680ACold cranking
25.60kgWeight

The Fulmen FG1008 with conventional lead-acid technology delivers 100 Ah at 12 V and 680 A of cold cranking current (EN): what trucks, buses, tractors and heavy machinery demand. It measures 413 × 175 × 220 mm and the positive terminal on the right, the format sought by anyone replacing a 100 Ah battery in trucks.

  • Designed for 24 V installations with two batteries in series.
  • Powerful cold cranking for large-displacement diesel engines.
  • Heavy Duty construction for intensive professional use.
  • Conventional lead-acid: the most proven and economical technology.

What the Fulmen FG1008 is for

The Fulmen FG1008 is designed for trucks, buses, tractors and heavy machinery. In 24 V installations with two batteries in series, replace both at the same time to avoid imbalance. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 25.60 kg, 1 terminals and B03 hold-down.

The Fulmen FG1008: StartPRO range and conventional lead-acid technology

The FG1008 is part of the Fulmen StartPRO range. Choosing the right reference within the series comes down to capacity, dimensions and terminals: technology and quality are common to the whole family.

Conventional lead-acid is the benchmark against which other technologies are compared: good cranking current, great tolerance to alternator charging and the best price per amp-hour.

Will it fit your current battery tray?

The Fulmen FG1008 is made in the 413 × 175 × 220 mm format and weighs 25.60 kg. The positive terminal on the right decides which side the cables end up on: it is the detail that causes most buying mistakes, so check it before ordering. It uses a B03 hold-down and 1 terminals, the system that anchors and connects it in the vehicle. For a direct replacement, the current battery tray must accept these dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.

Why choose Fulmen batteries

Fulmen is the historic French brand of the Exide group: batteries made on the same lines and with the same technology as original equipment, widely used by workshops across Europe. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.

Care and maintenance

On batteries with filler caps, check the electrolyte level and top up only with distilled water. Keep the terminals clean and tight and the battery firmly secured against chassis vibration.

Official warranty

The Fulmen FG1008 comes with the manufacturer's official warranty against manufacturing defects. An important note for commercial vehicles: most trucks use two batteries connected in series (24 V installation). If you replace only one, the new battery works alongside the old one, which has already lost capacity; that imbalance shortens its life and the manufacturer may treat it as misuse. Always replace both at the same time.

Delivery times and returns

Same-day dispatch from our warehouse for in-stock orders placed before 6:00 pm: 24-48 working hours in mainland Spain and Portugal, 3 to 5 days in the islands and the rest of Europe. Returns are accepted for 14 days if the battery has not been used (free collection on the Iberian mainland). You will receive tracking by email.

BCOM-FULMEN-FG1008

Data sheet

Brand
FULMEN
Reference
FG1008
Model
FULMEN StartPRO
Voltage (V)
12
Length
413 mm
Width
175 mm
Height
220 mm
Weight
25.60 Kgs
Technology
Lead-acid
EAN
3661024045353
Terminal layout
Positive terminal on the right
Terminal type
1
Hold-down
B03
Cold cranking amps (EN)
680A
Capacity (C20)
100Ah (c20)
Case type
D01

Specific References

EAN13
3661024045353
MPN
FG1008

Codes and references Fulmen FG1008

Brand Fulmen
Manufacturer range FULMEN StartPRO
Manufacturer part number (MPN) FG1008
EAN-13 barcode 3661024045353
Dimensions (length × width × height) 413 × 175 × 220 mm (413x175x220)

Comparison: Fulmen FG1008 vs equivalents — alternatives with the same dimensions, Ah and CCA

The Fulmen FG1008 is interchangeable with these equivalent references: TG1008 (Tudor), EG1008 (Exide), I6 (Varta).

Product Specifications Technology Price
Fulmen FG1008 Fulmen FG1008 This battery 12V 100Ah 680A Lead-acid
Tudor TG1008 Tudor TG1008 12V 100Ah 680A Lead-acid €180.10
Exide EG1008 Exide EG1008 12V 100Ah 680A Lead-acid €171.50
Varta I6 Varta I6 12V 110Ah 850A Lead-acid €174.60

Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.

Recommended accessories — complement the Fulmen FG1008 with a charger or tester

How to change the battery

Guide to replace a truck battery in 30-60 minutes. Truck batteries weigh 25-50 kg — we recommend working in pairs and using a carrying strap.

⏱ 30-60 min🛠 Tools: 13 mm or 17 mm wrench (depending on make) · Protective gloves
  1. Step 1. Prepare the vehicle

    Park on a flat surface, switch off the engine and remove the key. Make sure all lights and electrical accessories are off. Wait 1-2 minutes before starting.

  2. Step 2. Locate the battery

    Open the bonnet. The battery is usually in the engine bay, but in many modern cars it may be in the boot or under the passenger seat. Check the manual if you cannot find it.

  3. Step 3. Disconnect the negative (−) terminal

    Use the 10 mm wrench to loosen the negative cable nut (black, marked −) and remove the cable from the post. Move it aside so it cannot touch any bodywork.

  4. Step 4. Disconnect the positive (+) terminal

    Repeat with the positive cable (red, marked +). Important: never let a terminal touch metal of the car while the other is still connected.

  5. Step 5. Remove the old battery (two people)

    Loosen the bottom hold-down clamp. Truck batteries weigh 25-50 kg — lift in pairs with gloves and a carrying strap. Forcing the lift alone risks back injury.

  6. Step 6. Install the new battery

    Place the battery in the same orientation as the old one (positive terminal on the same side). Tighten the hold-down clamp firmly.

  7. Step 7. Connect the cables

    Connect the positive (+) terminal first, then the negative (−). Tighten the nuts with the wrench until each terminal does not move. Apply anti-spark grease if you have any.

  8. Step 8. Verify the engine starts

    Close the bonnet. Start the engine to confirm everything works. On cars with Start-Stop or a BMS, you may need to register the battery via OBD so the alternator applies the correct charging profile.

Frequently asked questions

How is the Fulmen FG1008 battery installed in the vehicle?

In most trucks it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on this page. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On trucks with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

What is the service life of the FG1008 model?

Expected lifespan of the Fulmen FG1008 is 4 to 6 years in regular truck use without Start-Stop. In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.

What are the measurements of the FG1008 model?

Dimensions (length × width × height) are 413×175×220 mm — also written as 413x175x220 mm — following the European DIN standard. Always measure the space in your truck before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

Will the Fulmen FG1008 battery fit my truck?

Three options to confirm: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The FG1008 typically fits a wide range of European vehicles thanks to its standard DIN case format.

Which interchangeable batteries are there for this one?

Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop trucks. See the "Equivalents" section to view recommended options at the same performance level.


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