22 Years' Battery Customization
Dec 02, 2020 Pageview：533
In the previous decades, most battery users needed to check their batteries for any spillage frequently. The worst thing with the batteries that can spill out the acid is that it can cause corrosion to the battery's outer parts.
Spillage of the acids out of the battery can damage the parts of the devices they contact. It can also cause battery users accidents because the electrolyte used in batteries is mostly corrosive and flammable.
For those reasons, battery manufacturers came up with sealed batteries. Sealed batteries have all the parts covered; therefore, there is no spillage to the battery's outer parts. Also, the electrolyte level in the battery is significantly maintained.
The good thing with this battery type is that it requires little maintenance, unlike the other batteries. Therefore, we need to consider these sealed batteries in detail so that those users who have little knowledge about it can be saved from all the troubles.
Therefore, let us get the full details about the maintenance of sealed batteries, charging, and these batteries' needs. Stay tuned and siphon the best out of this article.
A sealed battery is a fully covered battery that has no opening. The battery comes sealed for life from the factory and needs little maintenance compared to other battery types. Many users currently prefer this battery because it does not require much attention or even no service attention.
These sealed batteries can be used in series or parallel to obtain a choice of voltage and capacity. The battery has been recently improved for use in cyclic and standby applications.
The materials used in making the battery is high resistant non-conductive ABS plastic. Large batteries are made of polypropylene cases that make them pose excellent resistance to shock, vibration, chemicals, and heat. Flame Retardant battery cases are available across all portfolios of battery models.
Maintenance-free sealed batteries have a low discharge rate that allows the storage of fully charged sealed batteries for about a year, depending on storage temperatures.
The best thing about sealed batteries is that they can be discharged over a temperature range of -20 to 60 degrees Celsius. It can be recharged at temperatures ranging from -15 degrees Celsius to 50 degrees Celsius.
The sealed batteries have advanced plate composition, special separators, and a balanced electrolyte system that helps improve their ability to recover from intense discharge. Low internal resistance allows discharge currents of up to ten times the rated capacity of the battery.
Sealed lead-acid batteries can last between three to five years to 12 years plus, depending on the battery's manufacturing process.
The battery has a high watt-hour per dollar value because the materials used in making the battery are readily available and lower in cost than alternative battery chemistries.
Sealed batteries are now widely used all over the world but charging them can be a complicated process. Charging sealed lead-acid batteries is not difficult, but the challenging part is maximizing the battery life.
You can use constant current/constant voltage chargers to charge sealed batteries, but the battery lifespan will be reduced using non-intelligent chargers such as this one. Using an intelligent charger is not only cost-effective but also better for the environment.
Therefore, to charge a maintenance-free battery, you need to follow some steps. These steps are as follows:
Locate the battery. If you are using it in a car, open the hood of the vehicle.
Turn off the battery charger and unplug the power to the charger.
Ensure that you connect the positive battery charger cable to the positive battery terminal by pressing the alligator clip to open the jaws. You then place the open jaws over the terminal and release the clip.
Connect the negative terminal battery charger cable to the vehicle's heavy-gauge metal as far from the battery as possible. You should face away from the battery while making this connection.
Turn on the charger voltage adjustment to the proper voltage for the vehicle. You should then set the charger to an automatic charging setting for sealed batteries. Plug the charger into the electrical outlet as far away from the battery as possible.
Once the battery is fully charged and the charging system has turned itself off, unplug the charger. Start with the negative charger cable by squeezing the alligator clip, then remove the positive charger cable.
The techniques that can be used in charging a sealed battery include:
Constant voltage charging is mostly used for sealed lead-acid batteries because individual cells tend to share the voltage and equalize them.
Constant current charging is used for a single 2V cell but is not recommended for many series-connected cells.
Taper current charging – it is used to charge a number of cells connected in series subject to cyclic use.
Two-stage constant voltage charging- this is a method that is recommended for charging sealed lead-acid batteries in the shortest time and maintaining them in a fully charged float condition.
Sealed batteries do not have removable caps; thus, it is not possible to add water. They are termed as 'maintenance-free' because they require little or no maintenance at all. They are suitable for people who are busy and can forget to do maintenance practices.
The electrolyte spillage out of the battery is eradicated; thus, the electrolyte levels drop at a prolonged rate. The other battery types can spill a lot of electrolyte in one day, thus increasing frequent top-ups and cleaning the surfaces.
With the sealed batteries, vehicle users have time to do other maintenance practices for their vehicles. It can be quite hard checking the electrolyte level of your battery every month or even week. Therefore, you are now relieved from a lot of work and the cost of replacing the battery.
Some people do not check their batteries for over a year; thus, sealed batteries are the right choice. I remember replacing a battery with all the parts corroded, including the terminals, because I was too busy to check. Thanks to maintenance-free sealed batteries.
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