Types of 12v Car Battery


The 12v car battery supplies DC power for your car’s accessories and non-propulsion systems, such as infotainment systems, power door locks/windows/heating fans/ADAS technologies. Learn the best info about Car batteries Malta.

Maintenance and replacement should be a top priority, so let’s examine some of the different kinds of batteries available today.

Flooded Lead Acid

Batteries play an essential role in your car, from starting the engine to powering clocks and other electronics when the engine is off. The type of battery installed can have a dramatic impact on its performance and reliability; here are some of the most commonly used vehicles today.

Traditional flooded lead acid batteries use plates immersed in an electrolyte solution to allow electricity to pass through them, providing starting power when necessary but lacking long-term storage capabilities. They must also be maintained regularly, including inspection of electrolyte levels and topping them up as required with distilled water.

Flooded batteries may release hydrogen during charging conditions and require venting to the atmosphere. To ensure safety, this should only be performed by qualified personnel in an environment with adequate ventilation.

These batteries are classified as hazardous waste and should be handled and shipped according to strict safety requirements. Their sulfuric acid may cause chemical burns if it comes in contact with skin, eyes, or clothing; gloves and face shields should also be worn when handling these batteries. Any instances where acid spillage occurs should be flushed away immediately with clean water before any affected area is rinsed clean of acid spilled by mistake.


Lithium-ion batteries offer high energy density and long lifespans, making them the ideal choice for electric cars. Furthermore, their lightweight construction makes charging them quicker. There are multiple kinds of lithium batteries used for electric vehicles; Lithium Iron Phosphate (LFP) and Nickel Manganese Cobalt Oxide (NMC) are two popular choices with drivers; each offers excellent performance as well as safety features at an affordable price point, making these popular choices among most drivers.

Lithium-ion batteries are relatively new types of batteries that boast greater storage capacities than any previous battery type due to their small atomic radius and lightweight, enabling high charge storage per volume; this energy density has enabled electric vehicles (EVs) to achieve remarkable driving ranges and speeds.

Lithium-ion batteries offer an attractive alternative to lead acid batteries; however, there remain challenges that must be met before this technology becomes widely adopted. One such issue is its high technical threshold, which requires it to function in temperatures below -30 degrees Celsius while fulfilling requirements for powering ICEs – making widespread adoption unlikely at present. Still, their potential makes lithium-ion battery technology worth investigating if you’re interested in buying an EV car.


AGM (Absorbed Glass Mat) batteries use an absorbent fiberglass mat between their positive and negative plates to prevent electrolyte leakage, making them maintenance-free compared to traditional flooded lead acid batteries that require frequent topping-up of electrolytes. Furthermore, AGM batteries feature low self-discharge rates, so they can continue operating when not actively used for longer.

Superior power density makes these batteries suitable for vehicles fitted with start/stop technology, which necessitates high-quality batteries in order to function. This makes them particularly ideal for applications where multiple engine starts are needed per charge cycle – perfect for vehicles equipped with start/stop technology!

As AGM batteries feature dry cell designs, they are lighter and safer to handle than their flooded counterparts. Furthermore, AGMs have more excellent resistance to vibration and shock – an important feature when selecting batteries for vehicles capable of off-roading capabilities.

Although AGM batteries are typically more costly upfront than their flooded counterparts, it is still wise to assess their long-term advantages and savings potential prior to deciding on purchasing them.

Proper AGM battery maintenance is also crucial, as failure to do so could result in performance losses and require replacement. This includes regularly charging and storing it in a clean, dry environment; terminals should also remain free from corrosion for optimal connections.

Sealed Lead Acid

Sealed lead acid batteries (SLAs) are an increasingly popular choice for automotive applications today, offering many of the same advantages. No maintenance required: no need to add water or acid; can be mounted anywhere with ease and are spillproof and spill-proof – plus their hard shell design allows oxygen circulation mechanisms inside to protect from vibration or impact damage, making SLAs the perfect fit.

These batteries contain a fixed electrolyte that facilitates oxygen diffusion from the positive electrode to the negative electrode, with a safety valve opening during charging to vent out gasses before closing when the pressure has been achieved – helping facilitate oxygen recombination and decrease grid corrosion during the charging process.

SLA batteries are less likely to produce dendrites than their counterparts; however, overcharging or extended discharge can still result in irreversible lead sulfation that reduces battery capacity and eventually causes it to fail. To protect flooded batteries against this happening, it is crucial that voltage settings are adhered to and water levels are checked regularly. New batteries take approximately three weeks before reaching total capacity.

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