The short answer is: it depends. And that is not a way of avoiding the question. A battery that works perfectly in a ten-year-old compact car may fall short in an SUV with a Start & Stop system, permanently connected USB chargers and half a dozen electronic assistance systems drawing power while the engine is switched off. The “best battery” does not exist as an abstract concept. What does exist is the right battery for your car, your driving habits and the climate in which the vehicle is used.
At FQS BATTERY, we have worked on this principle for more than 16 years: over 600 references in stock are not an inflated catalogue, but the answer to the fact that every vehicle has different requirements.
First, the technology
Before looking at the brand or the price, it is worth understanding what your car has under the bonnet, beyond the engine.
SLI (conventional lead-acid).
This is the traditional battery, designed to start the engine, power the lights and supply basic electronic systems. If your car does not have Start & Stop, it will most likely require this type of battery. It is the technology behind FQS’s Black, Original and Platinum ranges.
EFB (Enhanced Flooded Battery).
A step up from SLI. It is better able to withstand the charge and discharge cycles required by a mid-range Start & Stop system: the kind that stops and restarts the engine at every traffic light, without highly demanding energy-recovery systems.
AGM (Absorbent Glass Mat).
This is where performance moves up a level. It withstands far more start-stop cycles, delivers stable current even when the vehicle is packed with electronic equipment, and is almost essential for vehicles with regenerative braking or advanced Start & Stop systems. FQS offers it for passenger cars, commercial vehicles and stationary applications.
GEL
The gel electrolyte makes it more resistant to vibrations and impacts, which is particularly valuable for motorcycles. This is why it is part of the Motorbike GEL range.
LiFePO4
The lightest and highest-performance technology, designed for applications where weight and energy density genuinely matter: traction, deep-cycle use and intensive operation. It is not the default choice for an urban compact car, but it makes a real difference in certain industrial applications.
Next, the application
Technology answers one question. Application answers another: what type of vehicle is it for?
INDUSTRIAL VEHICLE
The SHD, Original V.I., AGM V.I., EFB V.I. and GEL V.I. ranges are designed for trucks and vans that start several times a day and cannot afford a failure halfway through a route.
So, which one should you choose?
Checking the vehicle manufacturer’s technical specifications is the first step, not a mere formality. This is where you will find whether the vehicle has Start & Stop and which type, the cranking power it requires and the battery compartment dimensions it can accommodate. From there, the technology — SLI, EFB, AGM, GEL or lithium — and the specific range within that technology will determine the right choice.
With more than 90,000 units in stock and over 3 million users who have already placed their trust in our batteries, at FQS BATTERY we do not sell one specific battery as “the best”. We supply the right one for each car, motorcycle, truck or installation. Energy for every type of application: that is, ultimately, what we do.
If you are unsure which technology or range your vehicle requires, visit fqsbattery.com or our professional online store at b2b.fqsbattery.com to find the exact reference, or contact our team directly on +34 954 518 882.
