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Varta LFS105M · Marine battery 12V 105Ah 800A

Specifications

BrandVARTA
Part numberLFS105M
Voltage (V)12
Capacity (C20)105Ah (c20)
Cold cranking amps (EN)800A
TechnologyLead-acid
Length330 mm
Width172 mm
Height240 mm
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Varta LFS105M 12V 105Ah 800A is a starting battery for boats and motorhomes, with a case reinforced against the vibration of mooring and cruising. All its energy is designed to crank the engine reliably, not to run long loads: for that, fit a separate service bank.

Why this marine starting battery?

  • Marine designbuilt for boat swell and vibration
  • Starting in demanding conditionsmaximum cranking power
  • Sealed and safemaintenance-free even when the boat rolls
Voltage
12 V
Capacity
105 Ah C20
Cold cranking
800 A EN-1
Dimensions
330×172×240 mm
Technology
Lead-acid
Weight
24,67 kg
Model
Professional Starter
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Varta LFS105M Professional Starter 105Ah 800A 12V Battery

12VVoltage
105AhCapacity
800ACold cranking

The Varta LFS105M battery is the 12 V, 105 Ah model delivering 800 A of cold cranking power (EN), from Varta's Professional Starter from Varta, designed for starting marine engines and recreational vehicles in demanding conditions. With dimensions of 330 × 172 × 240 mm, it is the direct replacement for vehicles fitted from the factory with a 105 Ah battery in this format.

In short: the Varta LFS105M (105 Ah, 800 A, 330 × 172 × 240 mm). Verified equivalent alternatives: Varta H16 and Tudor TB110B.

  • Direct replacement for the original starter battery in boating and leisure use.
  • Reliable starting of marine engines and recreational vehicles, in the cold too.
  • Rugged construction, resistant to vibration and to the marine environment.
  • Optimised for starting in demanding conditions: maximum power at the moment of cranking.

Applications of the Varta LFS105M battery

The Varta LFS105M covers the needs of starting marine engines and recreational vehicles in demanding conditions with 105 Ah of capacity and a construction built for that use. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a B01 hold-down.

Format and fitting of the Varta LFS105M

Its outer dimensions are 330 × 172 × 240 mm. It uses a B01 hold-down, the system that anchors it to the vehicle's battery tray. Before replacing it, measure the space your current battery occupies: if it matches on all three dimensions and on terminal position, the swap is direct and needs no adapters.

The Varta LFS105M and the Professional Starter range

The Professional Starter range consists of pure starter batteries for leisure and boating, built to give marine engines and recreational vehicles powerful, reliable starting.

Unlike cycling or dual-purpose batteries, they are optimised for starting rather than for powering equipment over long periods: the choice when all you need is to fire up the engine with confidence.

Their construction prioritises peak current and resistance to the marine environment (vibration, damp and salt) rather than the ability to run equipment for hours: that is what the deep-cycle and dual-purpose ranges are for.

Why choose a Varta battery

When a workshop recommends Varta, it is not down to marketing: it is one of the brands with the lowest return rates in the sector, with application coverage spanning practically the entire European fleet, from the city car to the commercial vehicle.

Varta combines more than a century of experience with Clarios's industrial production: it is the battery many manufacturers choose as standard and one of the most recommended by workshops. Like any lead-acid battery, it is 100% recyclable.

Varta is Europe's leading manufacturer of starter batteries: its production volume and quality controls guarantee consistent reliability batch after batch, something own-brand labels cannot always promise.

Manufacturer's warranty

The Varta LFS105M battery comes with the official manufacturer warranty.

Care and maintenance

In leisure applications, avoiding discharges below 50% of capacity multiplies the number of cycles the battery will deliver. A suitable charger and, where possible, a solar regulator keep it healthy through the quieter seasons. To extend its life, recharge it as soon as possible after each discharge and never leave it flat over the winter. A trickle charger is the best investment for getting many cycles out of it.

Technical sheet

Download the official technical sheet for this battery with all the manufacturer data.

Download technical sheet (PDF)

  • Reference
    BCOM-VARTA-LFS105M

Data sheet

  • Brand
    VARTA
  • Reference
    LFS105M
  • Model
    Varta Professional Starter
  • Voltage (V)
    12
  • Length
    330 mm
  • Width
    172 mm
  • Height
    240 mm
  • Technology
    Lead-acid
  • EAN
    4016987167168
  • Hold-down
    B01
  • Cold cranking amps (EN)
    800A
  • Capacity (C20)
    105Ah (c20)
  • Additional ETN
    931105080K312

Specific References

  • EAN13
    4016987167168
  • MPN
    LFS105M

Codes and references Varta LFS105M

Brand Varta · see all Varta batteries
Manufacturer part number (MPN) LFS105M
EAN-13 barcode 4016987167168
Dimensions (length × width × height) 330 × 172 × 240 mm (330x172x240)

Comparison: Varta LFS105M vs equivalents — alternatives with the same dimensions, Ah and CCA

The Varta LFS105M is interchangeable with these equivalent references: H16 (Varta), TB110B (Tudor).

Product Specifications Technology Price
Varta LFS105M Varta LFS105M This battery
Varta H16 Varta H16 12V 105Ah 800A Lead-acid €167.90
Tudor TB110B Tudor TB110B 12V 110Ah 950A Lead-acid €494.50

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

Recommended accessories — complement the Varta LFS105M with a charger or tester

Frequently asked questions

How is the Varta LFS105M battery installed in the vehicle?

In most boats 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 our blog. 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 boats with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

How long does the Varta LFS105M battery last?

Expected lifespan of the Varta LFS105M is 4 to 7 years in regular use (depends on technology and climate). 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 dimensions of the Varta LFS105M battery?

Dimensions (length × width × height) are 330×172×240 mm — also written as 330x172x240 mm — following the European DIN standard. Always measure the space in your boat before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

Does this battery fit my boat?

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 LFS105M typically fits a wide range of European vehicles thanks to its standard DIN case format.

What are the equivalents of the LFS105M model?

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 boats. See the "Equivalents" section to view recommended options at the same performance level.


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