12VVolts
125AhAmp-hours at C20
720ACold cranking amps
At a glance: Drivers and owners of trucks and farm machinery know this one as the Varta J1. Capacity of 125Ah and 720A for cold starts are the numbers to compare.
Fitting and everyday care
A lorry with a sleeper cab runs the heater, the fridge and phone chargers all night on its batteries. Lift heavy batteries with a proper strap, not by the posts. A slow, laboured crank on a frosty morning often comes first.
Specifications table
ManufacturerVarta
Part numberJ1
SeriesVARTA ProMotive SLI
Used fortrucks and farm machinery
Volts12V
Amp-hours at C20125Ah
Cold cranking amps720A
Battery technologyLead-acid
Dimensions (L × W × H)349 × 175 × 285 mm
Weight30.43 kg
Polaritypositive on the right-hand side
Barcode4016987166499
The lead-acid technology explained
Some lead-acid batteries have removable caps, others are sealed for life. Flooded batteries offer strong starting current at a fair price. Check the electrolyte level a few times a year if the battery has removable caps.
Same case, same terminal side
Other references from our catalogue with the same measurements and terminal position.
Deta DF1250Deta DG1250Exide EF1250Exide EG1250Fulmen FF1250
Frequently asked questions
What does the Varta J1 weigh in kilograms?
The weight is 30.43 kg. Heavier batteries generally contain more lead and active material.
Does this battery start well in winter?
720A under the EN test. Diesel engines usually need more cranking power than petrol engines of the same size.
Why choose the Varta J1
Agricultural contractors often reorder the Varta J1 before the busy season. Overnight cab loads call for capacity as well as starting punch. A phone photo of the old label is enough to order the right replacement.
Most owners of trucks and farm machinery will find 125Ah familiar.
Explore more
Prefer to order now and fit at the weekend? baterias.online makes that easy. A minute spent comparing the label of your old battery avoids most mistakes.
Before you order: a quick checklist
- ✓ Do not go far below your old battery's capacity; this one has 125Ah.
- ✓ Cranking power on cold mornings: 720A. Big engines in harsh winters call for a generous figure.
- ✓ Set your charger to lead-acid before the first charge.
