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Official Varta distributor · 27 years in Málaga · fitted in ~15 min, no appointment
VARTA ProMotive EFB Batteries
ProMotive EFB is the industrial vehicle range prepared for electrical consumption with the engine stopped, the typical scenario of a cab-over truck.
Technology
Applies reinforced electrolyte technology to the truck format: carbon additive, polyester separator and fixed plates to withstand vibration. Compared to a conventional SLI, it supports many more deep discharge cycles, which is exactly what happens when the driver spends the night in the cab with the refrigerator, the stationary heater or the television on.
Applications
- Long-haul trucks with cab rest
- Vehicles with stationary heater or autonomous climate control
- Fleets with high consumption with the engine stopped
- Applications that combine starting and service
The range in figures
| References | 3 |
|---|---|
| Capacity | 140 – 240 Ah |
| Cold cranking | 800 – 1200 A (EN) |
| Voltage | 12 V |
| Technology | EFB |
How to choose
If the truck spends nights with on-board consumption, an EFB compensates the extra cost compared to a SLI because it can withstand many more discharges. For even higher consumption, consider the ProMotive AGM range.
Naming and equivalences
ProMotive EFB keeps its name in the 2026 portfolio. Within the industrial vehicle family, it is positioned between ProMotive SLI, purely for starting, and ProMotive AGM, the one with maximum resistance.
Frequently asked questions
When is a ProMotive EFB more suitable than a SLI?
When the truck consumes electricity with the engine stopped: cabin rest, refrigerator, stationary heater or autonomous air conditioner. The EFB can withstand many more deep discharges than a conventional starting battery.
What does reinforced electrolyte contribute to a truck?
The carbon additive and polyester separator allow repeating discharge cycles without the active material coming off, which is what degrades a starting battery subjected to consumption when stopped.
Is it compatible with my vehicle's alternator?
Yes. An EFB charges with the same profile as a conventional lead battery, requiring no changes to the installation.
What if the consumption when stopped is very high?
In that case, the appropriate option is ProMotive AGM, which allows deeper and more repeated discharges.
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