Varta

Varta M18 · Truck battery 12V 180Ah 1,000A

Reference: BOL-VARTA-M18 · EAN 4016987166291

The Varta M18 (ETN 680 108 100, also written M 18 or 680108100) is a truck battery with 12 V, 180 Ah and 1,000 A cold cranking current, measuring 513 × 223 × 223 mm.

Who the Varta M18 is for

The Varta M18 turns heavy diesel engines and powers cabs with high consumption. It is built to resist constant vibration and long shifts.

In the Varta catalogue, the M18 belongs to the Promotive SLI line. The full range of Varta batteries

Equivalents and alternatives to the Varta M18

Batteries that fit the M18's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the M18.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Exide EG1803Lead-acid180 Ah1,000 A513 × 223 × 223
Kronobat SHD-180.3Lead-acid180 Ah1,000 A513 × 223 × 223
Tudor TG1803Lead-acid180 Ah1,000 A513 × 223 × 223
Fulmen FG1803Lead-acid180 Ah1,000 A513 × 223 × 223
Deta DG1803Lead-acid180 Ah1,000 A513 × 223 × 223
Exide ED1803Lead-acid180 Ah900 A513 × 223 × 223

Varta M18 vs M12 and M7: which one to choose?

How the M18 compares with Varta batteries of similar size and capacity:

ModelCapacityCold cranking (EN)Dimensions (mm)Weight
Varta M18 (this one)180 Ah1,000 A513 × 223 × 22341.76 kg
Varta M12180 Ah1,400 A513 × 223 × 22346.42 kg
Varta M7180 Ah1,100 A513 × 223 × 22344.99 kg
  • Varta M12: the same capacity, 400 A more cranking power, the same dimensions.
  • Varta M7: the same capacity, 100 A more cranking power, the same dimensions.

What it means that the M18 is lead-acid

Inside, the M18 is classic lead-acid: liquid electrolyte and lead plates. It is a robust, well-known technology with a good capacity-to-price ratio, and still the basis of most cars, trucks and traction equipment.

What to look at before buying the M18

  • The M18 needs 513 × 223 × 223 mm of space: measure it with the hold-down clamp in place.
  • Your current battery should say about 180 Ah; a little more is also fine.
  • Check the EN amps on your battery: if it says 1,000 A or less, the M18 covers your engine.

Part numbers and codes for the Varta M18

Shops, garages and catalogues identify the M18 with these codes:

Commercial referenceM18 (M 18)
ETN code680108100 (also 680 108 100)
EAN4016987166291
Case size according to VartaB
UK code629SHD
Base hold-downB00
Also known asVarta M 18 · Varta 680108100 · Varta 680 108 100
Not to be confused withVarta B18 (44 Ah, 440 A, positive terminal on the right), Varta F18 (85 Ah, 800 A, positive terminal on the right), Varta I18 (110 Ah, 680 A, positive terminal on the right)

Frequently asked questions about the Varta M18

M18 or M12: which one suits me?

Compared with the M18, the Varta M12 has 400 A more cranking power. If your current battery says 1,400 A or more, choose the M12; if it says 1,000 A or less, the M18 is enough. Both measure 513 × 223 × 223 mm, so they fit the same tray.

What does the code 680 108 100 on the Varta M18 mean?

It is its ETN (European Type Number), also written 680108100. The first three digits (680) encode voltage and capacity: 12 V and 180 Ah (5xx = under 100 Ah, 6xx = 100 to 199 Ah, 7xx = 200 Ah or more). The middle group (108) identifies the specific model within that capacity, and the last three digits (100) multiplied by 10 give the cold cranking current: 1,000 A.

How much does the Varta M18 weigh?

41.76 kg, with 180 Ah of capacity. For reference, the Varta M12 (180 Ah) weighs 46.42 kg.

Which battery is equivalent to the Varta M18?

With the same dimensions, polarity and similar capacity you have the Exide EG1803, Kronobat SHD-180.3 and Tudor TG1803. As the M18 is a conventional battery, an EFB or AGM of the same size also works.

Are truck batteries fitted in pairs?

Almost always, in series for 24 V. Replace them in matched pairs: mixing a new one with an old one unbalances charging and shortens the new one's life.

More batteries to compare with the M18

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