Deta DG1250 · Truck battery 12V 125Ah 760A

Truck battery Deta DG1250 StartPRO 125Ah 760A 12V

The Deta DG1250 truck battery is rated at 12 V, 125 Ah and 760 A of cold cranking current (EN) from the StartPRO range, and is prepared for trucks, buses, tractors and heavy machinery. It replaces the original battery without adaptation in trucks with a 349 × 175 × 285 mm format: same 125 Ah capacity and the positive terminal on the right.

In short: the Deta DG1250 (125 Ah, 760 A, 349 × 175 × 285 mm, positive terminal on the right). Verified equivalent alternatives: Varta J1 and Tudor TF1420.

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

Dimensions, polarity and mounting

It has external dimensions of 349 × 175 × 285 mm and weighs 29.50 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 B00 hold-down, the system that anchors and connects it in the vehicle. Before replacing it, measure your current battery tray: if all three dimensions and the terminal positions match, the swap is direct and needs no adapters.

What the Deta DG1250 is for

The Deta DG1250 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 29.50 kg and B00 hold-down.

The Deta DG1250: StartPRO range and conventional lead-acid technology

Within the Deta catalogue, the StartPRO series groups the references designed for this use. The DG1250 is the 125 Ah model of that family, with the same performance as its siblings in other sizes.

The conventional lead-acid battery remains the most widespread technology thanks to its balance of capacity, cranking current and price. Well maintained and kept charged, it offers years of reliable service in vehicles without Start-Stop.

Deta: the maker behind the DG1250

Deta combines German engineering with Exide's industrial capacity. Its Power, Senator and PowerPRO series cover everything from urban cars to construction machinery. We guarantee that every Deta arrives new, charged and with the manufacturer's full warranty.

Manufacturer's warranty

The Deta DG1250 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.

Usage and maintenance tips

In 24 V installations, check periodically that both batteries show the same voltage; an imbalance means one is failing. Keep the terminals clean and tight and the battery firmly secured against chassis vibration.

When you get it and how to return it

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.