Varta J8 · 135Ah 12V 680A · heavy-duty starter for lorries and tractors

Quick answer: Short version: Varta J8, made for trucks and farm machinery, with a rating of 135Ah 12V 680A. Weight is 35.46 kg, worth knowing before you lift it out of the tray.

Using it day to day: practical tips

Construction plant parked on site through a hard frost asks a great deal of its battery at dawn. Use the battery isolator when a vehicle will be parked for more than a few days. Mixing a fresh battery and a worn one in a 24-volt set is a classic mistake: both fail early.

Full specifications of the Varta J8

About the technology: lead-acid

Some lead-acid batteries have removable caps, others are sealed for life. Flooded deep-cycle batteries suit solar and golf buggies. Use a standard lead-acid profile on the charger.

Same size and layout

If you prefer another make, these fit the same space with the same terminal side.

Deta DG145AExide EG145AFulmen FG145ATudor TG145A

Frequently asked questions

Varta J8: what it is and who it suits

Big diesel engines in coaches, combines and telehandlers often rely on a Varta J8. Holding 135Ah, there is reserve for night heaters, fridges and tail lifts on long stops. Every heavy-duty battery at baterias.online shows its cradle size and post type.

135Ah is right in the usual range for trucks and farm machinery.

Related products and ranges

Prefer to compare first? The links below lead to other options for trucks and farm machinery on baterias.online. Measuring the space before ordering avoids a battery that will not sit flat.

• More for trucks and farm machinery
• See every Varta reference

Quick compatibility checklist

• ✓ This reference uses lead-acid. If your current battery has a different technology printed on it, find out why before switching.
• ✓ Make room for 360 × 253 × 240 mm, including clearance above the posts.
• ✓ Stored energy reserve: 135Ah. Going much lower than your current battery can leave you short on cold mornings or long stops.