Truck battery Varta A40 12V 140Ah 800A
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Official Varta distributor · 27 years in Málaga · fitted in ~15 min, no appointment
The VARTA A40 is a commercial-vehicle EFB battery of 140 Ah and 800 A from the ProMotive EFB range, for lorries with electrical loads during stops.
Positiveon the left
Technical data table
| Brand | Varta |
|---|---|
| Reference | A40 |
| Range | ProMotive EFB |
| Voltage | 12V |
| Capacity | 140Ah |
| Cranking | 800A |
| Technology | EFB |
| Dimensions | 513×189×223mm |
| Weight | 37,09kg |
- Official Varta DistributorProMotive range for commercial vehicles
- Fitted in our shopin Málaga, no appointment needed
- We confirm the part numberfrom a photo of the label
The brand
VARTA ProMotive
ProMotive is VARTA’s range for commercial vehicles: lorries, buses, tractors and machinery.
It is available in SLI, EFB and AGM technologies, depending on the vehicle’s electrical demand and use.
The range
VARTA ProMotive EFB
It applies EFB technology to commercial vehicles: it copes better than a conventional battery with the discharges that occur when the engine is off.
It suits lorries with sleeper cabs that use a fridge, heater or other loads during stops.
The product
Key specifications of the VARTA A40: 12 V, 140 Ah, 800 A cranking and 513×189×223 mm; it weighs 37.09 kg. The positive terminal is on the left.

Battery replacement in Málaga
A family business in Málaga since 1999 and an Official VARTA Distributor. In-shop replacement with no appointment needed and recycling of the used battery. If you run a fleet, ask us about business supply.
Which lorries are suited to an EFB?
Lorries that use electrical loads with the engine off, such as a fridge or heater in the cab.
Which side is the positive terminal on?
The positive terminal is on the left, looking at the battery from the front with the terminals towards you.
How do I find the equivalent for my lorry?
From the label: capacity, cranking, dimensions, terminal type and positive terminal side. Send us a photo on WhatsApp and we will confirm the part number.
My lorry is 24 V – how many do I need?
24 V lorries usually have two 12 V batteries in series. It is recommended to replace both at the same time and with identical ones.