There are 4 types of car batteries:
- The lead-antimony batteries: They are the conventional batteries with The conventional lead-acid batteries are conventional batteries with the lead elements and the liquid electrolyte (sulphuric acid solution), the ones we control the liquid level and add when needed.
- Batteries with closed-type liquids: Do not release fumes. They have They do not emit fumes. (they have direct and immediate power output and respond to the starting needs of the starter motor). They are not deep-discharging.
- AGM (Absorbed Glass Matted) batteries. They are liquid-free, since the sulphuric acid solution is absorbed in the battery separators. They are only 95% saturated with sulphuric acid and there is no excess liquid. For this reason AGM batteries are sometimes called starved electrolyte or dry electrolyte batteries.
- GEL batteries, i.e. batteries with a stabilized closed-type electrolyte where no electrolyte is added.
Battery life
The average life of a car battery is affected by many variables. Even under ideal conditions, the battery will eventually deteriorate due to its chemical composition. The two biggest culprits for shortening the life of a battery are ambient temperature and driving behavior.
Unfortunately, climate is not a factor that we have under control. However, we can take concrete steps to control the second variable, driving behaviour. Stopping and starting to drive, or driving less than twenty minutes on a regular basis, uses battery energy and does not give the alternator enough time to recharge. This repeatedly drains the battery to very low levels and reduces its life expectancy.
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